: 1.21 $2024-03-28T18:35:48-7:0044.220.41.140searchRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn39486B. E. Nelson Amy J. Roderick1996730212U.S.A.WyomingCarbonMedicine Bow Mountains: Elk Mountain: ridge between Thode and O'Mara creeks, ca 41.5 air mi ESE of Rawlins; ca 20 air mi NE of Saratoga.-106.48841.60642393Aspen woods in shallow draw. Phenology: flowering.RMUSFS851720 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn259David Rosenthal1996731213U.S.A.WyomingParkNorthern Absaroka Area: Shoshone National Forest: along packtrail to Copper Lakes.-109.73944.659924392743Spruce forests with some pine on north facing slope. Phenology: flowering.RMUSFS853616 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2738David Rosenthal1997720201U.S.A.WyomingParkNorthern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: 0.5 mi W of Eagle Creek Campground on U.S. Hwy 14, 16, and 20, up Mormon Creek to cirque W of Sleeping Giant Mountain, ca 39 air mi W of Cody.-109.885844.476320122286Spruce/fir forest slopes and stream bottom along creek to wilderness boundary. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn40916B. E. Nelson Amy J. Roderick1997625176U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: major tributary of Third Sand Creek S of Second Sand Creek, ca 6 air mi NNE of Elk Mountain (town); ca 12 air mi SE of Hanna.-106.372141.762121952225Bottom and banks of steep draw. Phenology: buds.RMUSFS853615 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2909David Rosenthal1997722203U.S.A.WyomingParkNorthern Absaroka Area: Shoshone National Forest: Northern Absaroka Wilderness: up Crandall Trail, ca 36 air mi WNW of Cody.-109.698544.833620122225Stream bottom and slopes. Phenology: flowering.RMUSFS853614 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3773David Rosenthal199788220U.S.A.WyomingFremontWind River Range: Shoshone National Forest: end of Forest Road 533 at intersection of Crow Creek, old pack trail to Continental Divide and S along divide, ca 18.5 air mi W of Dubois.-109.898543.53326822835Stream bottom and pine/spruce forest to ridge crest. Phenology: flowering.RMUSFS853613 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn58839Ronald L. Hartman Jim Fowler1997726207U.S.A.WyomingParkNorthern Absaroka Area: east side of Sheep Mountain, ca 11 air mi SW of Cedar Mountain.-109.345444.406620122256Rocky slopes with drainage; some limestone, mostly andesite. Phenology: flowering.RMUSFS853612 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn59153Ronald L. Hartman1997731212U.S.A.WyomingParkNorthern Absaroka Area: Ishawooa Pack Trail, ca 1-3 trail mi W of Cut Coulee.-109.684444.244322862317South exposure, andesitic outcrops and derivatives. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn41188B. E. Nelson1997629180U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: along Third Sand Creek and ridge to the S, ca 2-2.5 air mi E of Saddleback Hills; ca 11.5-12 air mi SE of Hanna; ca 4.5 air mi NNE of Elk Mountain (town).-106.391541.747521822246Moist areas with thickets of Amelanchier, Prunus, and Symphoricarpos among coal beds. Phenology: buds.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1739Peter J. Ebertowski2002715196U.S.A.WyomingCrookThunder Basin National Grassland and Vicinity: tributary of South Deer Creek on County Road 68, ca 12.5 air mi N of Moorcroft; ca 29 air mi ENE of Gillette.-104.973444.449813261341Creek bed. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7091Peter J. Ebertowski2003723204U.S.A.WyomingCampbellThunder Basin National Grassland and Vicinity: draw running E off Artesian Draw, on Wyo Hwy 387, ca 26 air mi SW of Wright; ca 21 air mi NE of Midwest.-105.927643.572615911634Small chokecherry thicket in narrow ravine. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn505Alvin L. Medina J. Steed19978213U.S.A.ArizonaApacheWhite Mountains: Mount Baldy area.-109.5809833.937312804Wet meadow with Carex and Juncus.RMRM913058 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn40605Erwin F. Evert200382214U.S.A.WyomingTetonYellowstone Plateau: Yellowstone National Park: just W of Howard Eaton Trail, 1/4 mi W of Lone Star Geyser, ca 4 mi SSE of Old Faithful.2326Dry-moist sinter in thermal area with Rumex acetosella, Ivesia gordonii, and Panicum acuminatum. Phenology: flowering & fruiting.RMRM912979 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn41528Erwin F. Evert200589221U.S.A.WyomingLincolnSalt River Range: Bridger-Teton National Forest: along north side of North Fork Murphy Creek, ca 11 mi SSE of Alpine.2256Forest-meadow opening with Rudbeckia occidentalis, Wyethia amplexifolius, Melica bulbosa, and Aster integrifolius. Phenology: flowering & fruiting.RMRM725775 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn10895Erwin F. Evert198688220U.S.A.WyomingParkNorth Fork Shoshone River Drainage: Absaroka Mountains: along Jones Creek Trail, ca 4-5 mi N of U.S. Hwy 14, 16, and 20; ca 6-10 mi W of the confluence with North Fork Shoshone River.-110.103544.54423172682Openings in coniferous forest.RMRM726061 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn11183Erwin F. Evert1986819231U.S.A.WyomingParkNorth Fork Shoshone River Drainage: Absaroka Mountains: just N of U.S. Hwy 14, 16, and 20, ca 0.5 mi E of the mouth of Canfield Creek.-109.926144.49082030Clearcut area.RMRM726233 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn11358Erwin F. Evert1986823235U.S.A.WyomingParkNorth Fork Shoshone River Drainage: Absaroka Mountains: ca 1 mi E of entrance to Yellowstone National Park, just N of U.S. Hwy 14, 16, and 20.-109.986544.490820882103Disturbed forest of lodgepole pine and Douglas fir.RMRM726436 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn11553Erwin F. Evert1986826238U.S.A.WyomingParkNorth Fork Shoshone River Drainage: Absaroka Mountains: immediately N of U.S. Hwy 14, 16, and 20, ca 0.5 mi W of the mouth of Libby Creek.-109.825444.50531978At edge of wet area along highway.RMRM726427 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn11674Erwin F. Evert1986827239U.S.A.WyomingParkNorth Fork Shoshone River Drainage: Absaroka Mountains: along south side of North Fork Shoshone River, ca 1/8-1/2 mi W of the mouth of Eagle Creek.-109.885844.46181981RMRM726624 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn11754Erwin F. Evert1986829241U.S.A.WyomingParkNorth Fork Shoshone River Drainage: Absaroka Mountains: along north side of North Fork Shoshone River, ca 1/8 mi W of Newton Creek Campground.-109.76544.44731890Disturbed riparian community along river. Phenology: fruiting.RMRM732662 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn13663Erwin F. Evert1987812224U.S.A.WyomingParkAbsaroka Mountains: North Fork Shoshone River Drainage: just W of Sheep Creek and immediately S of the North Fork Shoshone River and U.S. Hwy 14, 16, and 20.-109.76544.46181914Flat bench-like area composed of mostly open grassland with some Douglas fir and limber pine. Phenology: flowering & fruiting.RMRM732937 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn13807Erwin F. Evert1987814226U.S.A.WyomingParkAbsaroka Mountains: North Fork Shoshone River Drainage: along Sheep Creek, ca 2-3 mi S of U.S. Hwy 14, 16, and 20.-109.785144.432819812012Open Douglas fir forest with some Engelmann spruce and dominant groundlayer species Aster conspicuus, Mahonia repens and Calamagrostis rubescens. Phenology: flowering & fruiting.RMRM619721 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn19400Erwin F. Evert1990630181U.S.A.MontanaBeaverheadHenrys Lake Mountains: on Continental Divide, 1/4-1/2 mi N of Red Rocks Pass and Road, ca 25 mi WSW of West Yellowstone. Also Fremont Co, Idaho.-111.528344.600821952286Sagebrush-grassland with Artemisia tridentata var. vaseyana, Festuca idahoensis, Arnica fulgens and Potentilla diversifolia. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn19507Erwin F. Evert199071182U.S.A.MontanaGallatinMadison Range: Gallatin National Forest: Potamogeton Park just E of Beaver Creek, ca 30 mi NNW of West Yellowstone.-111.362744.92032134Moist-wet open area east of road with Carex rostrata, Salix drummondiana, and Platanthera hyperborea.RMRM621563 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn20001Erwin F. Evert199084216U.S.A.MontanaParkAbsaroka-Beartooth Mountains: Gallatin National Forest: along South Fork Deep Creek, ca 11 mi SE of Livingston.-110.477845.516121342317Moist spruce-fir forest with lodgepole pine and with Arnica cordifolia, Elymus glaucus, Vaccinium scoparium and Orthilia secunda prominent in groundlayer. Phenology: flowering.RMRM621157 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn20243Erwin F. Evert1990811223U.S.A.MontanaGallatinMadison Range: Spanish Peaks area: Gallatin National Forest: along Deer Creek Trail, ca 3-4 mi W of U.S. Highway 191, ca 26 mi SSW of Bozeman.-111.260545.327623472439Moist spruce-fir forest in creek bottom, prominent understory species include Alnus viridis and Ledum glandulosum. Phenology: flowering & fruiting.RMRM739916 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn22048Erwin F. Evert1991720201U.S.A.MontanaSweet GrassBeartooth Mountains: Gallatin National Forest: along Sliderock Mountain-Grouse Ridge Road (Forest Road 482).-109.963645.57432103Douglas fir forest and openings on south side of road just above clearcut with Carex geyeri, Melica subulata, Festuca occidentalis, and Hieracium albiflorum. Phenology: flowering.RMRM740253 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn22328Erwin F. Evert1991730211U.S.A.MontanaMadisonMadison Range: Beaverhead National Forest: along The Helmet-Sphinx Mountain Trail, ca 16 mi SE of Ennis.-111.526145.15312134Meadow openings in Douglas fir forest with Rudbeckia occidentalis, Gaillardia aristata, and Geranium viscosissimum. Phenology: flowering.RMRM754960 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn23412Erwin F. Evert199277189U.S.A.IdahoTetonBig Hole Mountains: Targhee National Forest: Idaho Ridge, ca 1/4 mi S of Packsaddle Road (Forest Road 235); ca 12 mi WNW of Driggs.-111.321143.741721642210Sagebrush-grassland with Purshia tridentata, Festuca idahoensis, and Danthonia californica. Phenology: fruiting.RM779623 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn24502Erwin F. Evert1992811224U.S.A.IdahoFremontMadison Range: Henrys Lake Mountains: Targhee National Forest: Howard Spring, along U.S. Hwy 20/191, ca 9 mi W of West Yellowstone, MT.-111.28644.67122134Weedy opening in lodgepole pine forest with Polygonum douglassii, Perideridia gairdneri, and Potentilla gracilis.RMRM754995 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn24595Erwin F. Evert1992814227U.S.A.MontanaGallatinGallatin Range: Gallatin National Forest: along trail ca 1 1/2 mi NW of Mystic Lake, ca 12 mi SSE of Bozeman.-110.930245.57431951Opening in lodgepole pine forest with Physocarpus malvaceus. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn26229Erwin F. Evert1993724205U.S.A.IdahoTeton[location and coordinates withheld]1798Disturbed meadow with Arenaria congesta, Rudbeckia occidentalis, and Elymus cinereus.RMRM610581 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn26471Erwin F. Evert199381213U.S.A.MontanaMadisonMadison Range: Beaverhead National Forest: along Papoose Creek in the foothills, ca 1 mi E of U.S. Hwy 287, 23 mi S of Cameron.-111.568844.90451890Disturbed sagebrush-grassland with Phleum pratense, Achillea millefolium, Elymus spicatus, and Helianthella uniflora. Phenology: flowering.RMRM780756 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn27673Erwin F. Evert199476187U.S.A.WyomingTeton[location and coordinates withheld]2073Extensive meadows just W of river with Delphinium occidentale, Ligusticum filicinum, and Collomia linearis. Phenology: flowering.RMRM781287 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn28124Erwin F. Evert1994720201U.S.A.MontanaCarbonBeartooth Mountains: Custer National Forest: East Rosebud Campground; ca 18 mi W of Red Lodge.-109.63845.20611920Open, disturbed, grassy area with Potentilla argentea, Festuca idahoensis, Arenaria congesta, and Calochortus gunnisonii. Phenology: flowering.RMRM782047 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn28431Erwin F. Evert1994728209U.S.A.WyomingTetonAbsaroka Mountains: Bridger-Teton National Forest: Two Ocean Pass, along Pacific Creek, ca 30 mi NE of Moran.-110.162944.042487Meadow with Potentilla gracilis, Arenaria congesta, and Aster integrifolius. Phenology: flowering & fruiting.RMRM781906 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn28611Erwin F. Evert1994810222U.S.A.MontanaParkAbsaroka Mountains: Gallatin National Forest: along North Fork of Bear Creek; just N of Jardine.-110.627145.080421032118Disturbed riparian/spruce forest with Aster hesperius, Calamagrostis canadensis, and Orthilia secunda. Phenology: flowering.RMRM787290 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn31445Erwin F. Evert1996622174U.S.A.MontanaParkAbsaroka-Beartooth Mountains: Gallatin National Forest: Casey Lake, 3 mi NE of Gardiner.-110.66845.06592189Wet meadow adjacent to lake with Antennaria corymbosa, Valeriana occidentalis, Camissonia subacaulis, and Claytonia lanceolata. Phenology: flowering & fruiting.RMRM788782 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn32270Erwin F. Evert1996725207U.S.A.WyomingTetonGrand Teton National Park: 1/4 mi of Pilgrim Creek, ca 1/8 mi S of U.S. Hwy 191/287.-110.588443.89472073Sagebrush-grassland with Arenaria congesta, Artemisia tridentata var. vaseyana, and Festuca idahoensis. Phenology: flowering & fruiting.RMRM787738 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn32668Erwin F. Evert199689222U.S.A.MontanaParkAbsaroka Mountains: Gallatin National Forest: along Pine Creek just E of Bear Creek Road, 1 mi NE of Jardine.-110.627145.08042152Sagebrush-grassland opening in coniferous forest with Balsamorhiza sagittata, Helianthella uniflora, and Artemisia tridentata var. vaseyana. Phenology: flowering & fruiting.RMRM819724 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn33795Erwin F. Evert1997710191U.S.A.IdahoFremontIsland Park Plateau: Targhee National Forest: along Fish Hatchery Ford Road (Forest Road 610), ca 1/3 mi W of Forest Road 294, ca 14 mi N of Ashton.1878Lodgepole pine clearcut with Carex geyeri, Koeleria macrantha, and Arenaria congesta. Phenology: flowering & fruiting.RMRM819242 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn33870Erwin F. Evert1997720201U.S.A.MontanaMadisonMadison Range: Gallatin National Forest: along Little Mile Creek, ca 20 mi NW of West Yellowstone.2134Sagebrush-grassland with Eriogonum heracleoides, Erigeron speciosus, and Agastache urticifolia. Phenology: flowering.RMRM819025 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn34279Erwin F. Evert1997729210U.S.A.MontanaGallatinGallatin Range: Gallatin National Forest: Gallatin Canyon, along Portal Creek Road, 1/8 mi E of U.S. Hwy 191, ca 30 mi SSW of Bozeman.1798Disturbed roadside at base of cliffs with Berteroa incana, Matricaria matricarioides, and Poa compressa. Phenology: flowering & fruiting.RMRM821419 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn36087Erwin F. Evert199883215U.S.A.MontanaGallatinGallatin Range: Gallatin National Forest: along Moser Creek ca 2 mi E of the Hyalite Road, 10 mi S of Bozeman.-111.012545.53061966Openings in coniferous forest with Geranium viscossissimum, Rudbeckia occidentalis, and Castilleja miniata. Phenology: flowering & fruiting.RMRM823133 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn37386Erwin F. Evert1999728209U.S.A.WyomingTetonTeton Range: Targhee National Forest: along the south side of Moose Creek, ca 6 mi SE of Victor, ID.-111.054543.5622027Lodgepole pine forest with Calamagrostis rubescens, Pedicularis racemosa var. alba, and Vaccinium membranaceum. Phenology: flowering.RMRM822086 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn37529Erwin F. Evert1999729210U.S.A.IdahoFremontIsland Park Plateau: Targhee National Forest: along Anderson Mill Canyon or Forest Road 164, 8 mi NE of Ashton.-111.385144.15071829Wet meadow with Carex athrostachya, Juncus balticus var. montanus, and Plagiobothrys scouleri var. hispidulus. Phenology: flowering & fruiting.RMRM821712 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn37801Erwin F. Evert199985217U.S.A.MontanaGallatinGallatin Range: Gallatin National Forest: ridge just W of Mystic Lake, 10 mi SE of Bozeman.-110.930245.54521981Meadow openings with Delphinium occidentale, Rudbeckia occidentalis, Perideridia montana. Phenology: flowering & fruiting.RMRM821744 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn37841Erwin F. Evert199987219U.S.A.WyomingParkYellowstone Plateau: Yellowstone National Park: along (Old) Pelican Creek Trail, ca 1 mi NE of Indian Pond.-110.302744.55722393Seasonally wet meadow with Deschampsia cespitosa, Perideridia montana, and Aster integrifolius. Phenology: flowering & fruiting.RMUSFS406283 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn67Arthur D. ReadU.S.A.ArizonaCoconinoTusayan National Forest.Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1410cLaura Welp1994629180U.S.A.WyomingFremontGreat Divide Basin Area: Green Mountain: Abel Springs, ca 3.5 air mi SSW of Whiskey Peak; ca 4.5 air mi NW of Bairoil.-107.588342.296722862301Shaded flat creekside; dense aspen/pine overstory, dense grass understory, forbs diverse; moist, dark soil. Phenology: buds.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1995Laura Welp1994711192U.S.A.WyomingFremontGreat Divide Basin Area: Popo Agie River Drainage: Meadow Gulch and adjacent boulder slopes, ca 10 air mi W of Sweetwater Station; ca 4 air mi NE of Schoettlin Mountain.-108.352242.575619812073Banks of creek; graminoids dominant near water, sagebrush dominant on banks; moist, organic soil. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2106Laura Welp1994712193U.S.A.WyomingFremontGreat Divide Basin Area: Popo Agie River Drainage: along Omera Spring and adjacent slope, ca 2.5 air mi N of Roundtop Mountain; ca 7 air mi SSE of Young Mountain.-108.709242.558324022408Shaded spring; dense to open Salix stands interspersed with beaver dams. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2162bLaura Welp1994712193U.S.A.WyomingFremontGreat Divide Basin Area: Popo Agie River Drainage: along Horace Gulch, ca 4.5 air mi SE of Roundtop Mountain; ca 13 air mi W of Schoettlin Mountain.-108.665342.515623712439Sagebrush slope next to stream; dry, hard soil. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2260Laura Welp1994713194U.S.A.WyomingFremontGreat Divide Basin Area: Sweetwater River Drainage: along Dead Ox Creek, ca 3 air mi S of South Pass City; ca 11.5 air mi NNW of Continental Peak.-108.818642.427521342335Open graminoid meadow with stands of Salix interspersed throughout; plants at edge of Salix; dense, moist, peaty soil. Phenology: flowering.RMUSFS406572 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn67Arthur D. Read1912720202U.S.A.ArizonaCoconinoTusayan National Forest: near Davenport ranch.-112.1753935.106492042Fairly common with yellow pine in draw. Phenology: fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2455Laura Welp1994719200U.S.A.WyomingFremontGreat Divide Basin Area: Green Mountain: drainage and associated slopes and beaver ponds ca 4 air mi W of Whiskey Peak; ca 12.5 air mi NE of Bare Ring Butte.-107.626942.32582378Running stream; closed pine/scattered aspen overstory, dense graminoids/scattered Salix and juniper understory; moist, dark, sandy soil. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2547Laura Welp1994719200U.S.A.WyomingFremontGreat Divide Basin Area: Green Mountain: drainage and adjacent slopes in foothills, ca 6.5 air mi W of Whiskey Peak; ca 10 air mi NE of Bare Ring Butte.-107.685342.296924202463Shaded, narrow drainage with running stream; tall aspen overstory, short pine in understory; heavily grazed, not much vegetation in understory; wet, sandy, mucky soil near stream. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2599Laura Welp1994720201U.S.A.WyomingFremontGreat Divide Basin Area: Green Mountain: in narrow, steep-walled canyon ca 6.5 air mi NW of Whiskey Peak; ca 13.5 air mi SE of Jeffrey City.-107.648642.369423012400Closed pine forest near drainage; sagebrush and scattered juniper in understory; fine, rocky soil, scattered boulders. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2634Laura Welp1994720201U.S.A.WyomingFremont[location and coordinates withheld]20302073Side and banks of stream; shaded Salix overstory, grazed understory with scattered birch; wet, gravelly organic soil. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2686Laura Welp1994720201U.S.A.WyomingFremontGreat Divide Basin Area: Green Mountain: open plateau and drainage in Sheep Creek Park, ca 10.5 air mi SSE of Jeffrey City; ca 11.5 air mi NW of Whiskey Peak.-107.76542.369725002579Shaded drainage on west-facing slope; dense pine and aspen overstory, sparse understory; dry, fine, rocky soil. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2741Laura Welp1994723204U.S.A.WyomingCarbonGreat Divide Basin Area: Great Divide Basin: tipped rimtop and drainages, ca 6 air mi SSE of Separation Peak; ca 10 air mi SW of Teton Reservoir.-107.44305641.54222222922378Shaded drainage bottom; aspen overstory. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2786Laura Welp1994723204U.S.A.WyomingCarbonGreat Divide Basin Area: Great Divide Basin: drainage and adjacent slopes, ca 4.5 air mi S of Separation Peak; ca 7 air mi W of Teton Reservoir.-107.40527841.59305622862359Open, narrow drainage bottom; grazed graminoids dominant; dark moist soil. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2844Laura Welp1994725206U.S.A.WyomingFremontGreat Divide Basin Area: Crooks Mountain: drainages and intervening slope ca 4.5 air mi W of Crooks Peak and ca 10.5 air mi SW of Jeffery City.-107.958342.384723782432Open drainage on south-facing slope; pines and grasses dominant; rocky soil with scattered boulders. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2864Laura Welp1994725206U.S.A.WyomingFremontGreat Divide Basin Area: Crooks Mountain: narrow drainages on Crooks Mountain ca 7 air mi WNW of Crooks Peak; ca 10 air mi SW of Jeffrey City.-107.997242.413621642256Open drainage on north-facing slope; grazed graminoid/sagebrush meadow. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2915Laura Welp1994725206U.S.A.WyomingFremontGreat Divide Basin Area: Crooks Mountain: O'Brien Creek and adjacent slopes ca 4 air mi NW of Crooks Peak; ca 7 air mi SW of Jeffrey City.-107.919242.428120912158Open creek bottom; scattered Salix shrubs dominant; dry fine gravel soil. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2944Laura Welp1994726207U.S.A.WyomingFremontGreat Divide Basin Area: Green Mountain: Sheep Creek in foothills of Green Mountain, ca 8.5 air mi E of Crooks Peak; ca 11.5 air mi SW of Jeffrey City.-107.919242.384421582179Series of beaver and stock ponds on creek on north-facing slope; open grazed graminoid meadow with scattered Salix, Pinus, and Populus; mucky wet soil. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3038Laura Welp1994730211U.S.A.WyomingCarbon[location and coordinates withheld]22252378Small dry wash on west-facing sagebrush slope; dense patches of Salix shrubs interspersed with dense sagebrush and tall graminoids. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3073Laura Welp1994730211U.S.A.WyomingCarbonGreat Divide Basin Area: Great Divide Basin: Snowshoe Canyon on Atlantic Rim, ca 5 air mi SW of Bridger Pass; ca 19 air mi SE of Creston Junction.-107.49916741.50833322252256Moist drainage at base of canyon; dense tall graminoids, scattered Salix thickets; some burned areas. Phenology: fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3123Laura Welp1994730211U.S.A.WyomingCarbonGreat Divide Basin Area: Great Divide Basin: Jepp Canyon, ca 4.5 air mi W of Bridger Pass; ca 16.5 air mi SE of Creston Junction.-107.49916741.5591672195Small creek cutting through low sagebrush hills at base of canyon; wet sandy soil. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3190Laura Welp199483215U.S.A.WyomingCarbonGreat Divide Basin Area: Ferris Mountains: Indian Creek, ca 6 air mi NE of Lamont; ca 11 air mi WNW of Ferris.-107.376742.268121952225Open shrubby flat near wash; snowberry dominant; dry dark duffy soil. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3285Laura Welp199488220U.S.A.WyomingCarbon[location and coordinates withheld]21702274Open spring on south-facing slope; grazed graminoids, scattered pine and aspen dominant; dry fine soil. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3317Laura Welp199488220U.S.A.WyomingCarbonGreat Divide Basin Area: Ferris Mountains: upper Sand Creek ca 3 air mi N of Ferris; ca 4.5 air mi W of Bear Mountain.-107.176742.238323232469Small creek on south-facing slope at base of mountain; closed pine and spruce overstory with intermittant open graminoid meadows; dry red soil, limestone outcrops. Phenology: fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3482Laura Welp1994811223U.S.A.WyomingFremont[location and coordinates withheld]23782384In shade of Salix thickets by stock pond. Phenology: fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3538Laura Welp1994813225U.S.A.WyomingFremontGreat Divide Basin Area: Green Mountain: West Fork Middle Cottonwood Creek, ca 9 air mi WNW of Whiskey Peak; ca 10 air mi SE of Jeffery City.-107.726142.369723902500Creek on north-facing slope of mountain; open pine overstory with Salix thickets; sandy soil with granite boulders. Phenology: fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3663Laura Welp1994816228U.S.A.WyomingFremontGreat Divide Basin Area: Sweetwater River Drainage: Slate Creek and adjacent slope, ca 2 air mi S of Rock Creek Reservior; ca 2.5 air mi N of Atlantic City.-108.763342.5152481In shade of dense Salix thickets near creek. Phenology: fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3740Laura Welp1994820232U.S.A.WyomingCarbonGreat Divide Basin Area: Ferris Mountains: foothills ca 7 air mi NW of Ferris; ca 9 air mi ENE of Lamont.-107.293342.253323012400Sagebrush slope near creek. Phenology: fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7088Laura Welp199581213U.S.A.WyomingFremontGreat Divide Basin Area: Popo Agie River Drainage: near Twin Creek, ca 9 air mi S of Derby Dome Oil Field; ca 5.5 air mi NNW of Dilabaugh Buttes.-108.571142.574720122045Moist draw on steep south facing slope with dense Bromus tectorum. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7484Laura Welp199588220U.S.A.WyomingFremontGreat Divide Basin Area: Popo Agie River Drainage: Beaver Creek, ca 20 air mi S of Lander; ca 25 air mi W of Sweetwater Station.-108.669742.544223782420Shaded slope near creek with grasses and forbs, pine overstory; moist duffy soil. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7558Laura Welp199588220U.S.A.WyomingFremontGreat Divide Basin Area: Popo Agie River Drainage: Beaver Creek, ca 20 air mi S of Lander; ca 25 air mi W of Sweetwater Station.-108.669742.544223782420North facing slope with pine overstory, open understory; duffy soil. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7574Laura Welp1995810222U.S.A.WyomingFremontGreat Divide Basin Area: Popo Agie River Drainage: Stambaugh Creek, ca 19 air mi S of Lander; ca 19 air mi W of Sweetwater Station.-108.590842.5620422292Draw on north-facing slope with dense grasses and scattered sagebrush, Populus overstory; duffy soil. Phenology: flowering & fruiting.RMRM624525 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn48085Ronald L. Hartman1994712193U.S.A.WyomingSubletteGros Ventre Area: Jack Creek Basin.-110.332343.22821642195Cut hillside with some aspen. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn48209Ronald L. Hartman1994726207U.S.A.WyomingTetonGros Ventre Area: Granite Creek Hot Springs, N along trail and creek ca 1 air mile.-110.449843.37121342195Coniferous forests, meadows, and streamside. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn48995Ronald L. Hartman1994731212U.S.A.WyomingTetonGros Ventre Area: ridge just N of Lower Horse Creek, ca 1.5 air mi NNE of Hoback Junction.-110.763143.342419201981Roadside, meadow, and cliffs. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn49812Ronald L. Hartman1994820232U.S.A.WyomingSubletteGros Ventre Area: trail to Cream Puff Peak, ca 0.5-2 air mi from trail head between Bear and Bull Creeks.-110.567343.313819512500Coniferous forests, open slopes, and meadows. Phenology: fruiting.RMRM660297 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn52354Ronald L. Hartman1995723204U.S.A.WyomingSubletteGros Ventre Area: ca 7 air mi E of Bondurant.-110.27543.19122252256Meadow and willow thickets along stream. Phenology: flowering.RMRM660298 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn52465Ronald L. Hartman Stuart Markow1995723204U.S.A.WyomingSubletteGros Ventre Area: ca 5 air mi NW of Bondurant.-110.469443.24232256Along river. Phenology: flowering.RMRM700114 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn11637Stuart Markow199884216U.S.A.WyomingTetonGrand Teton National Park: Colter Bay employee residential area, ca 8 air mi NW of Moran, 0.5 air mi E of Colter Bay Visitors Center.-110.635543.90472073Open lodgepole pine/grassland with Pinus contorta, Calamagrostis rubescens, Perideridia montana, Bromus inermis and Poa pratensis.RMRM723976 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn520Orval C. Harrison1988723205U.S.A.WyomingLincolnSalt River Range: Smiths Fork Drainage: along North Fork Smiths Fork, ca 10 air mi SE of Smoot; ca 17 air mi SE of Afton.-110.830142.48352286Open westerly facing slope, especially in draws, with Artemisia tridentata, Achillea millefolium, Aster ascendens, Aster integrifolius, and Geranium viscosissimum. Phenology: flowering & fruiting.RMRM724066 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn619Orval C. Harrison1991817229U.S.A.WyomingLincolnWyoming Range: Greys River Drainage: Little Greys River 2.05 mi SE of McCain Meadows, ca 18.5 air mi ESE of Alpine; ca 27 air mi NE of Afton.-110.696243.06192140Opening in lodgepole pine forest. Phenology: flowering & fruiting.RMRM724068 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn627Orval C. Harrison199184216U.S.A.WyomingLincolnSalt River Range: Salt River Drainage: along Smiths Fork Road 1.15 mi SSE of U.S Hwy 89, ca 15 air mi S of Afton; ca 30 air mi N of Cokeville.-110.887942.51252274In grassy aspen area. Phenology: flowering & fruiting.RMRM660299 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn53025Ronald L. Hartman1995724205U.S.A.WyomingTetonMount Leidy Highland Area: 2-3 air mi ENE of East Leidy.-110.317543.734824692530Streamside and meadow. Phenology: flowering.RMRM660300 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn53102Ronald L. Hartman1995725206U.S.A.WyomingTetonMount Leidy Highland Area: 2-4.5 air mi E of Black Rock Ranger Station.-110.306943.822421952378Mountain slope and roadside. Phenology: flowering.RMUSFS406287 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn23Charles K. Cooperrider1920813226U.S.A.ArizonaApacheApache National Forest: C. C. Ranger Station pasture.-109.626834.11332713West slope; clay loam; local in wet, deep soil; with sedge, lupine, dandelion and lankspur. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6337Joy Handley Phillip G. Lawrence2000629181U.S.A.IdahoWashingtonPayette National Forest and Vicinity: Weiser River Valley: Deer Creek at powerline crossing, ca 5 mi W of Cambridge; ca 20 air mi SW of Council.-116.785844.5639899975Roadside and shrub-grassland. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1295Nancy Kastning Sunny and Joel Kastning1988818231U.S.A.ColoradoJacksonSierra Madre/Park Ranges: Park Range: ca 6.5 air mi SSE of Mount Ethel.26522682Aspen forests.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2737Nancy Kastning1989827239U.S.A.ColoradoRouttSierra Madre/Park Ranges: Park Range: ca 15.5 air mi N of Steamboat Springs.24752500Open meadow areas in a lodgepole pine forest.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn17538B. E. Nelson Steven Nelson198981213U.S.A.ColoradoRouttSierra Madre\Park Range: Park Range: Routt National Forest: N of head of Newcomer Creek, ca 7 air mi SE of Yampa, ca 27 air mi S of Steamboat Springs.-106.801440.0982743Sagebrush slope and flat.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn17657B. E. Nelson Steven Nelson198983215U.S.A.ColoradoRouttSierra Madre\Park Range: Park Range: Routt National Forest: Along Service Creek ca 0.5-1.5 air mi above the Yampa River, ca 13.5 air mi S of Steamboat Springs.-106.782240.289521342317Meadow.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn17784B. E. Nelson Michelle Nelson198986218U.S.A.ColoradoRouttSierra Madre\Park Range: Park Range: Routt National Forest: Dry Lake above Soda Creek, ca 4.5 air mi NE of Steamboat Springs.-106.778640.5362500Open aspen woods.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn17829B. E. Nelson Michelle Nelson198987219U.S.A.ColoradoRoutt[location and coordinates withheld]24392560Aspen grove.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn18114B. E. Nelson Michelle Nelson1989810222U.S.A.ColoradoRouttSierra Madre\Park Range: Park Range: Routt National Forest: Above Volcano Siding ca 2 air mi SW of Long Park, ca 13.5 air mi SE of Yampa, ca 33 air mi S of Steamboat Springs.-106.724840.009626212682Meadow.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1295Nancy Kastning Sunny and Joel Kastning1988818231U.S.A.ColoradoJacksonSierra Madre\Park Range: Park Range: ca 6.5 air mi SSE of Mount Ethel.2667Aspen forests.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2737Nancy Kastning1989827239U.S.A.ColoradoRouttSierra Madre\Park Range: Park Range: ca 15.5 air mi N of Steamboat Springs.-106.854340.708424752500Open meadow areas in a lodgepole pine forest.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4787Neil Snow198983215U.S.A.ColoradoRouttSierra Madre\Park Range: Park Range: vicinity of Mad Creek Trail, ca 7 air mi NNW of Steamboat Springs.-106.873240.579121032530Near trail.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5031Neil Snow198984216U.S.A.ColoradoRouttSierra Madre\Park Range: Park Range: along Forest Road 129, ca 25.5 air mi NNW of Steamboat Springs; ca 0.7 air mi S of Columbine.-106.967840.83772530Meadow at edge of aspen grove.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5079Neil Snow198984216U.S.A.ColoradoRouttSierra Madre\Park Range: Park Range: along Forest Road 129 at junction of road leading around northwest part of Steamboat Lake.-106.967840.80892439Meadows surrounding small pond.RMRM574393 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1025Nancy Kastning David Culp198886219U.S.A.WyomingCarbonSierra Madre/Park Range: Sierra Madre: ca 9 mi NNW of Blackhall Mountain, along the Encampment River.-106.786741.124824392500Lodgepole pine forest. Phenology: flowering & fruiting.RMRM570837 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1116Nancy Kastning1988813226U.S.A.WyomingCarbonSierra Madre/Park Range: Sierra Madre: Singer Peak.-107.184441.22621Dry meadows in aspen forest. Phenology: flowering & fruiting.RMRM570838 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn604Nancy Kastning Lee Huston1988713195U.S.A.WyomingCarbonSierra Madre/Park Range: Sierra Madre: ca 4.5 mi SE of Quartzite Peak.-107.126341.098524082500Aspen forest with open meadow. Phenology: buds.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5031Neil Snow198984216U.S.A.ColoradoRouttSierra Madre\Park Range: Park Range: along Forest Road 129, ca 25.5 air mi NNW of Steamboat Springs; ca 0.7 air mi S of Columbine.-106.968340.83792530Meadow at edge of aspen grove.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2131Thomas Cramer1994720201U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: vicinity of Coal Creek, ca 14 air mi N of Border Junction.-110.89027842.42361121952439Northeast-facing hillside of meadows and Douglas fir forest. Phenology: flowering.RMRM645766 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9758Thomas Cramer Jane T. Kellett1995729210U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: Trail Creek, ca 14.5 air mi N of Kemmerer.-110.628242.000823472378Steep sagebrush hillside with Amelanchier, Prunus, and aspen stands. Phenology: flowering.RMRM727325 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1447C. Lynn Kinter199583215U.S.A.WyomingFremontUpper Wind River Watershed: Trout Creek: ca 17 mi WNW of Dubois; up Trout Creek ca 0.8 mi from Red Flat cow camp road; through gate in fence N of creek, go 100 yds on a bearing of 101deg.2704Artemisia cana var. viscidula, Potentilla fruticosa stand. Plot 95006 NW, SW, NE Phenology: fruiting.RMRM727326 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1553C. Lynn Kinter1995822234U.S.A.WyomingFremontUpper Wind River Watershed: Fork of Kitten Creek, ca 10 air mi W of Dubois, 1.4 mi S of Warm Spring Creek on the main Union Pass Road; E of road.2670Willows. Plot 95019 SW, NW, NE Phenology: flowering.RMRM727327 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2192C. Lynn Kinter1996723205U.S.A.WyomingFremontUpper Wind River Watershed: West Fork Long Creek, between creek and road.2548Artemisia cana var. viscidula, Potentilla fruticosa stand. Plot 96019 NE, NW, SE Phenology: flowering & fruiting.RMRM727328 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2196C. Lynn Kinter1996730212U.S.A.WyomingFremontUpper Wind River Watershed: Upper Tappan Creek: ca 10.5 air mi NW of Dubois; cattle and game trails to site.2530Artemisia cana var. viscidula stand. Plot 96025 NW, SE, SE Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2157Amy J. Roderick1997712193U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Pedro Mountains: south side of range W of County Road 291, ca 12 air mi NE of Seminoe Dam.-106.792842.310820422103Grassy draw. Phenology: flowering.RMRM800869 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1168Luanne Lum200189221U.S.A.WyomingBig HornBig Horn Mountains: along Cold Springs Road, ca 10.5 air mi ENE of Hyattville and ca 35 air mi NE of Worland.-107.414944.335525732615Pinus and Populus with sagebrush on sandy soil. Phenology: flowering.RMRM800868 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1195Luanne Lum2001811223U.S.A.WyomingBig HornBig Horn Mountains: along Forest Road 27 and West Tensleep Creek, ca 15 air mi NE of Ten Sleep and ca 38 air mi ENE of Worland.-107.253944.202425972618Coniferous forest. Phenology: flowering.RMRM800867 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1232Luanne Lum2001814226U.S.A.WyomingBig HornBig Horn Mountains: along Forest Road 227, ca 14.5 air mi ENE of Shell and ca 33 air mi ENE of Greybull.-107.486144.555725002512Coniferous forest with aspen and sagebrush. Phenology: flowering & fruiting.RMRM800866 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1256Luanne Lum2001814226U.S.A.WyomingBig HornBig Horn Mountains: along Forest Road 17, ca 13.5 air mi E of Shell and ca 28 air mi ENE of Greybull.-107.506344.54124832492Creekside riparian with Salix and occasional Picea. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn741Luanne Lum2001713194U.S.A.WyomingWashakieBig Horn Mountains: N of the Middle Fork Powder River, ca 35 air mi SSE of Ten Sleep.-107.182143.563824692487Sagebrush with grasses. Phenology: flowering.RMRM803863 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn946Luanne Lum2001723204U.S.A.WyomingParkBighorn Basin: along Wood River or County Road 4DT crossing Wood River, ca 9.8 air mi SSW of Meeteetse.-108.981144.04281957Riparian with Salix. Phenology: flowering.RMRM804203 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn57412B. E. Nelson2002714195U.S.A.WyomingWashakieBighorn Basin: ridge leading NW off Lightning Ridge on the Nowater Trail or BLM Road 1404, ca 10 air mi SW of Big Trails; ca 36 air mi SE of Worland.-107.460443.664717311768Shallow swale on sagebrush slope. Phenology: flowering & fruiting.RMRM804211 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3853bLuanne Lum200278189U.S.A.WyomingWashakieBig Horn Mountains: along Forest Road 434, ca 3 air mi SE of Meadowlark Lake and ca 14 air mi ENE of Ten Sleep.-107.199244.127225602597Coniferous forest and mountain meadow. Phenology: buds.RMRM804210 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3914bLuanne Lum200278189U.S.A.WyomingWashakieBig Horn Mountains: along Forest Road 25 crossing Canyon Creek, ca 6.5 air mi ESE of Meadowlark Lake and ca 16.5 air mi ENE of Ten Sleep.-107.138944.112826762740Coniferous forest and mountain meadow. Phenology: buds.RMRM804202 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3964Luanne Lum Michelle Wilson2002710191U.S.A.WyomingParkAbsaroka Mountains: along Monument Hill or County Road 7UH on Rattlesnake Mountain, ca 13.5 air mi WNW of Cody.-109.290444.615123102341Sagebrush and pine near a seep at spring. Phenology: flowering.RMRM804209 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5156Luanne Lum200282214U.S.A.WyomingBig HornBig Horn Mountains: along Alkali or Forest Road 338 and Forest Road 17 at Mill Creek, ca 30.5 air mi E of Greybull.-107.455244.453926442670Sagebrush. Phenology: flowering & fruiting.RMRM804208 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5206Luanne Lum200282214U.S.A.WyomingBig HornBig Horn Mountains: along Forest Roads 17 and 329 E of Spanish Point, ca 31 air mi ESE of Greybull.-107.455244.439126402673Coniferous forest and sagebrush. Phenology: fruiting.RMRM804207 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5207Luanne Lum200282214U.S.A.WyomingBig HornBig Horn Mountains: along Forest Roads 17 and 329 E of Spanish Point, ca 31 air mi ESE of Greybull.-107.455244.439126402673Coniferous forest and sagebrush. Phenology: flowering.RMRM804206 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5256Luanne Lum200282214U.S.A.WyomingBig HornBig Horn Mountains: along Forest Road 17 N of Round Lake, ca 31.5 air mi ESE of Greybull.-107.435144.424326432673Coniferous forest and sagebrush. Phenology: flowering.RMRM804205 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5335Luanne Lum200285217U.S.A.WyomingBig HornBig Horn Mountains: along Forest Road 13 and Bald Mountain Creek, ca 28 air mi E of Lovell; ca 25.3 air mi NNE of Greybull.-107.85344.817827372743Mountain meadow. Phenology: flowering.RMRM804204 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5389Luanne Lum200285217U.S.A.WyomingBig HornBig Horn Mountains: along Forest Road 14 S of Cone Mountain, ca 26 air mi E of Lovell and ca 26 air mi NNE of Greybull.-107.873344.846826582670Mixed coniferous forest and sagebrush. Phenology: flowering.RMUSFS842370 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1908Rob Massatti200577188U.S.A.WyomingFremontEast Slope Wind River Range and Vicinity: Maxon Basin and vicinity, ca 18 air mi SSW of Lander.-108.808142.620124872524Willow dominated fen. Phenology: flowering.RMUSFS842369 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1910Rob Massatti200577188U.S.A.WyomingFremontEast Slope Wind River Range and Vicinity: Maxon Basin and vicinity, ca 18 air mi SSW of Lander.-108.808142.620124872524Willow dominated fen. Phenology: vegetative only.RMUSFS842349 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3001Rob Massatti2005725206U.S.A.WyomingFremontEast Slope Wind River Range and Vicinity: Weed Draw to Canyon Creek, ca 12 air mi S of Lander.-108.737842.677123382432Grazed spring and surrounding meadow. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2347Amy J. Roderick1997714195U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: hillside between Sage Creek and County Road 401, ca 22 air mi S of Rawlins; ca 19 air mi W of Saratoga.-107.194941.46132195Snow catch on north facing slope; black sandy soil with patches of aspen trees and flowering shrubs. Phenology: flowering.RMRM354456 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2013June Haines198291244U.S.A.WyomingFremontSinks Canyon, across the river from the Popo Agie Campground.-108.825342.65862042In an aspen stand. Phenology: flowering & fruiting.RMRM386170 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5228June Haines Georgia Haines198584216U.S.A.WyomingFremontGreen Mountain Park, West Fork Middle Cottonwood Creek, ca 9.5 air mi SSE of Jeffrey City.-107.727442.38323782500Creek bank and moist slopes. Phenology: flowering & fruiting.RMRM386168 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5617June Haines1985820232U.S.A.WyomingFremontGreen Mountains; Cottonwood Campground, along branch of East Cottonwood Creek.-107.688542.3832210Water's edge, at creek. Phenology: flowering & fruiting.RMRM386169 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5812June Haines Georgia Haines1985825237U.S.A.WyomingCarbonNorthern edge of the Ferris Mountains, ca 8 air mi SE of Muddy Gap Junction (Three Forks).-107.318542.296322862515Creek bank. Phenology: fruiting.RMRM295507 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3185Ronald L. Hartman1971722203U.S.A.WyomingCarbonca 15 mi E of Savery.-107.259441.09852408Grassy area at edge of aspen grove. Cytological Voucher: 2n = 40. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2516Amy J. Roderick1997720201U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: First Sand Creek and ridge to west, ca 7.2 air mi N of Elk Mountain townsite; ca 15.2 air mi SE of Hanna.-106.410941.791222402301West facing slope dominated by sagebrush, mountain mahogany, and scattered limber pine. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1295Nancy Kastning Sunny and Joel Kastning1988818231U.S.A.ColoradoJacksonSierra Madre/Park Ranges: Park Range: ca 6.5 air mi SSE of Mount Ethel.26522682Aspen forests.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2737Nancy Kastning1989827239U.S.A.ColoradoRouttSierra Madre/Park Ranges: Park Range: ca 15.5 air mi N of Steamboat Springs.24752500Open meadow areas in a lodgepole pine forest.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2739Rachel Newton2005729210U.S.A.WyomingCarbonWetlands and Adjacent Areas: North Fork Encampment River, ca 4 air mi SW of Encampment.-106.855541.17832396Dry uplands. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6338Rachel Newton2006725206U.S.A.WyomingBig HornWetlands and Adjacent Areas: Meadowlark Lake, ca 16 air mi NE of Ten Sleep.-107.2175844.175722564Moist creek banks, lake shores.and flood plains. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6596Rachel Newton James Pray200685217U.S.A.WyomingJohnsonWetlands and Adjacent Areas: headwaters of North Fork Powder River, ca 24 air mi SW of Buffalo.-107.0771744.13382688Dry uplands. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6603Rachel Newton James Pray200685217U.S.A.WyomingSheridanWetlands and Adjacent Areas: Sibley Lake, ca 16 air mi SW of Ranchester.-107.4379944.760782433Dry uplands. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6621Rachel Newton James Pray200685217U.S.A.WyomingJohnsonWetlands and Adjacent Areas: Muddy Creek, ca 15 air mi SW of Buffalo.-106.9600644.142672416Dry uplands. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2672Amy J. Roderick1997722203U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Seminoe Mountains: Cottonwood Creek, ca 2 air mi W of Seminoe Dam; ca 27 air mi NE of Sinclair.-107.04642.15182042Aspen and cottonwood lined creek in mountain meadow. Phenology: buds.RMRM281096 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn10315C. L. Porter Marjorie W. Porter1966810222U.S.A.WyomingFremontWind River Range: W of Dubois, near the falls of the Wind River.-109.957343.70522591Meadow in Pinus contorta forest. Common. Phenology: flowering & fruiting.RMRM207427 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4377C. L. Porter194786218U.S.A.WyomingWashakieBig Horn National Forest: at Tyrell Ranger Station.-107.381944.06532560Open meadow. along Ten Sleep River. Tsan-Iang Chuang and L. Const Phenology: flowering.RMRM211010 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4751C. L. Porter194881214U.S.A.WyomingTetonTeton Canyon: west slope of the Teton Mountains.-110.958943.75782195In aspen groves. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968 Phenology: flowering.RMUSFS406284 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn169Paul H. Roberts1916831244U.S.A.ArizonaApacheSitgreaves National Forest: Los Burros Ranger Station.-109.7776934.14182378Scattered in wet meadow. Phenology: flowering.RMRM222770 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5915C. L. Porter1951818230U.S.A.WyomingParkNear the foot of Beartooth Butte.-109.594744.95292743Mountain meadow. Tsan-Iang Chuang and Lincoln Constance, 1965-1968 Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2777Amy J. Roderick1997722203U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Seminoe Mountains: south side of range N of BLM Road 3159, ca 5.5 air mi ESE of Seminoe Dam; ca 21.5 air mi NW of Hanna.-106.792842.13742057Sandstone crags among ponderosa and limber pine. Phenology: flowering.RMRM253773 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7413C. L. Porter195789221U.S.A.WyomingNatronaCasper Mountain, on Circle Drive.-106.326142.75292317Common in dry meadow on top of the mountain. Flowers white. *Tsan-Iang Chuang and L. Constance Phenology: flowering.RMUSFS406286 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3254Ralph K. Gierisch196798251U.S.A.ArizonaApacheApache National Forest: Phelps Botanical Area.-109.4967933.926828962-3% east slope; organic loam (basalt); common in wet meadow. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2901Amy J. Roderick1997729210U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Second Sand Creek, ca 7 air mi NE of Elk Mountain townsite; ca 11 air mi SW of Medicine Bow townsite.-106.352741.77662134Dry creek bottom. Phenology: flowering & fruiting.RMUSFS406765 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorns.n.no collectorU.S.A.WyomingCarbonHayden National Forest.Phenology: fruiting.RMRM3612 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1096Aven Nelson1894818230U.S.A.WyomingTetonGros Ventre Range.-110.575843.63382103*Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMRM11083 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3583Aven Nelson1897717198U.S.A.WyomingSweetwaterNorth Vermillion Creek.-108.957541.078624082500*Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMRM164909 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6204Aven Nelson Elias Nelson1899729210U.S.A.WyomingTetonYellowstone National Park: Nez Perces Creek.-110.812244.5732195On partially wooded slope. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering.RMRM19618 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6204Aven Nelson Elias Nelson1899729210U.S.A.WyomingTetonYellowstone National Park: Nez Perces Creek.-110.812244.5732195On partially wooded slope. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering.RMRM3656 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn660Aven Nelson1894729210U.S.A.WyomingNatronaGarfield Peak, Wallace Creek.-107.257142.82921981*Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering.RMUSFS406285 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1Roland Gardenhire1937721202U.S.A.ArizonaCoconinoKaibab National Forest.-112.1684935.19892164Level, shallow, gravelly soil; roadside; in Ponderosa pine with iris and yarrow. Phenology: flowering.RMRM311719 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorns.n.B. C. Buffum1891822234U.S.A.WyomingAlbanyEagle Rock Canyon.-105.335141.28282378Phenology: flowering & fruiting.RMRM356 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorns.n.B. C. BuffumU.S.A.WyomingTsan-Iang Chuang and Lincoln Constance, 1965-1968.RMRM362392 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2392Betsy E. Neely1984816229U.S.A.WyomingTetonTeton National Park: Jackson Lake; off Hwy 89-287, north end of lake, service road for highway equipment; 44 deg 01'13"N 45"W.-110.665444.0112164Old spill and borrow pit; open meadow surrounded by lodgepole forest, growing with Festuca idahoensis, Potentilla, Erigeron, Poa, and Carex spp. Phenology: flowering.RMRM284562 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorns.n.Brown1968810223U.S.A.WyomingSheridanBig Horn National Forest: Burgess Junction Experimental Pastures driveway.-107.54544.78882500Sedimentary parent material with Idaho fescue. Phenology: flowering.RMUSFS406947 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) DornMcDandS-30Charles H. McDonald H. A. Shannon1926721202U.S.A.WyomingSubletteWyoming (Bridger) National Forest: Willow Creek Ranger Station pasture.-109.908843.0775240810% west slope; loamy sand; meadow community with Festuca, stipa, wheatgrass, geranium on dry, open grassy slopes; moderate abundance. Phenology: flowering.RMRM724256 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2000-31Clayton R. Kyte2000730212U.S.A.WyomingLincolnOverthrust Belt: Fossil Butte National Monument: ca 1/4 mi E of Cundick Ridge.Wet meadow near dry beaver pond. Phenology: flowering & fruiting.RMUSFS406758 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn17Dana W. Cox193985217U.S.A.WyomingTetonTeton National Forest: 2 mi W of Togwotee Lodge.-110.18343.822928965% south slope; shallow clay loam; weed community with sagebrush, fescue, and Potentilla; common. Phenology: flowering.RMRM336203 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn354Daniel J. Crawford1971722203U.S.A.WyomingCarbonAt North Brush Creek along Wyo Hwy 130.-106.538441.36892378Cytological voucher: 2n = 40. Phenology: flowering.RMRM301604 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn20FDarold W. Sabinske1970724205U.S.A.WyomingTetonGrand Teton National Park: near Moose.-110.615643.7491981Big sagebrush area. Phenology: flowering.RMRM337545 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1580David L. Martin1981722203U.S.A.WyomingWashakie-107.419143.56451963In patch of Artemisia tridentata with Agropyron smithii, Koeleria, Poa fendleriana, and Achillea; in this area, Perideridea is restricted to patches of big sagebrush that occupy relatively deep soil. Phenology: flowering.RMRM354509 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn11Dixie Lou Vogele1984830243U.S.A.WyomingFremontSinks Canyon, below Bruces Camp.-108.844842.73192149By the beaver pond. Phenology: flowering & fruiting.RMRM576177 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn16428N. Duane Atwood1991814226U.S.A.WyomingSubletteWestern slope of the Wind River Range: N of Lower Green River Lake; banks of Green River.-109.979243.31092450Riparian area in Salix-Carex-grass community; sandy soil. Phenology: flowering & fruiting.RMUSFS406946 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) DornMcK-27Ernest E. McKee1926728209U.S.A.WyomingSubletteWyoming National Forest: Dutch Joe Ranger Station meadow.-109.255442.61462530Gentle slope; loamy sand; grass and weed community with sedge, geranium and poa; dry to damp rich open areas; scattering abundance. Phenology: flowering.RMRM104346 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn104Edward D. Pearson Dorothy Pearson1924717199U.S.A.WyomingParkShoshone National Forest: Crandall Creek near Simpson's Cabin.-109.6556944.851132134Dry, sandy soil. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering.RMRM32289 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1096Elmer D. Merrill E. N. Wilcox190184216U.S.A.WyomingTetonTwo Oceans Lake.-110.504643.90972103Dry open gravelly soil. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3031Amy J. Roderick1997731212U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Shirley Mountains: First Ranch Creek and vicinity W of Shirley Mountain Loop or BLM Road 3115, ca 19.5 air mi NNE of Hanna.-106.481342.15182390Aspen grove. Phenology: flowering.RMRM357386 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4754Erwin F. Evert1982813225U.S.A.WyomingParkNorth Fork Shoshone River: Absaroka Mountains: ca 3/4 mi E of Pahaska.-109.946344.50532027Phenology: flowering.RMRM340059 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn303William H. Moir1974720201U.S.A.ArizonaCoconinoSitgreaves National Forest: Chevelon Ranger District: Mogollon Pleateau, Bear Canyon.-111.006134.39132332White fir-Douglas fir/Gambel oak community; common in small drainage. Phenology: flowering.RMRM357454 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5029Erwin F. Evert1982916259U.S.A.WyomingParkAbsaroka Mountains: North Fork Shoshone River Drainage: Shoshone Lodge; ca 48 mi W of Cody.-109.926144.49082012Around buildings. Phenology: fruiting.RMRM623810 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8217Erwin F. Evert198579190U.S.A.WyomingSheridanBig Horn Mountains: ridge W of Story Fish Hatchery buildings and ponds.-106.917544.570116461722On steep, east-facing slope in open Pinus ponderosa forest and in forest openings; calcareous, clayey soil. Phenology: flowering.RMRM623811 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8409Erwin F. Evert1985718199U.S.A.WyomingParkNorth Fork Shoshone River Drainage: Absaroka Mountains: ridge ca 0.5 mi W of Mormon Creek, ca 0.5-2 mi N of U.S. Hwy 14, 16, and 20.-109.885844.490823172621Open, mostly dry ridge top with scattered Pseudotsuga menziesii and Pinus flexilis. Phenology: flowering.RMRM623812 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9217Erwin F. Evert198589221U.S.A.WyomingTetonTeton Range: immediately W of North Fork Shoshone Creek, ca 1/4 mi NE of Teton Canyon Campground.-110.894543.74921952225In forest openings and along edge of Pinus contorta-Pseudotsuga menziesii forest. Phenology: flowering & fruiting.RMRM623895 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9750Erwin F. Evert1985826238U.S.A.WyomingParkNorth Fork Shoshone River Drainage: Absaroka Mountains: along south side of North Fork Shoshone River, ca 0.5 mi W of the mouth of Eagle Creek.-109.885844.46181981In Pinus contorta-Picea engelmannii forest. Phenology: flowering & fruiting.RMUSFS406759 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) DornFB-33F. Buchenroth192786218U.S.A.WyomingTetonTeton National Forest: Cache Creek.-110.735143.4754198115% south slope; sandy soil; open community; common. Phenology: flowering & fruiting.RMUSFS406762 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn350F. O. Sparhawk1914816228U.S.A.WyomingParkShoshone National Forest: Lodgepole Creek.-109.637744.83362042North slope; moist, sandy soil; plentiful. Phenology: flowering.RMRM335733 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn969Francis B. Current1980721203U.S.A.WyomingCarbonBattle Mountain, 9.6 air mi E of Savery.-107.259441.0552286Populus tremuloides overstory on northeast corner of mountain near its base. Phenology: buds.RMRM268893 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn41Francis X. Jozwik1961727208U.S.A.WyomingNatronaCasper Mountain Area: 500 yds upstream from Garden Creek Falls.-106.334542.77342073Rock hillside. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering.RMRM522141 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn013Frank Blomquist1983810222U.S.A.WyomingFremontGreen Mountains: along Willow Creek, ca 14.5 air mi SE of Jeffrey City, ca 62 air mi SE of Riverton.-107.649542.32522326Streambank with Achillea, Agropyron smithii, and aspen. Phenology: flowering.RMUSFS406764 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn163Frank H. Rose1923816228U.S.A.WyomingCarbonHayden National Forest: Sandstone Experimental Plot.2439Moderate south slope; clay loam soil with Wyethia, Danthonia, Carex, parsnip, asters, and fescue; common. Phenology: flowering & fruiting.RMRM37847 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3371Frank Tweedy1900720201U.S.A.WyomingJohnsonEastern Slope Big Horn Mountains: headwaters of Clear Creek and Crazy Woman River.-106.95244.217221342743*Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMRM215557 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5140George J. Goodman1949813225U.S.A.WyomingLincolnJunction of Box Canyon Creek and Greys River.-110.673842.65832378Dry ridge, in sagebrush-lodgepole. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMRM264654 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn247Herbert G. Fisser1960714196U.S.A.WyomingFremontSE of Thermopolis and E of Wind River Canyon: North Flank of the Owl Creek Range: Birdseye Pass area.-108.082443.44922134*Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering.RMUSFS406849 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn82James E. Jewell C. N. Woods1914716197U.S.A.WyomingLincolnWyoming National Forest: west side of Cliff Creek.-110.830342.35512195Southerly slope; moist, deep loam; sweet-anise, wyethia, and clover; scattering. Phenology: buds.RMRM79838 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn82James E. Jewell C. N. Woods1914716197U.S.A.WyomingLincolnWyoming National Forest: west side of Cliff Creek.-110.830342.35512195Southerly slope; moist, deep loam; sweet-anise, wyethia, and clover; scattering. Phenology: buds.RMRM208878 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1229John F. Reed Mildred S. Reed1947811223U.S.A.WyomingTetonJackson Hole Wildlife Park: Snake River near Moose Island.-110.551843.85982057In aspen stands along the river banks near the island. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMRM208874 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn958John F. Reed194787219U.S.A.WyomingTetonJackson Hole Wildlife Park: first terrace above Pacific Creek.-110.491443.87432057Drier portions of the first terrace above and immediately W of the creek. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMRM339734 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn260Joseph Storto Thomas Wood1981730211U.S.A.WyomingCarbonFerris Mountains; Pete Creek, ca 11 air mi SE of Muddy Gap and ca 34 air mi N of Rawlins.-107.260142.29632195Locally common in deep silt-loam of old flood plain with Achillea millefolium, Artemisia tridentata, and Poa pratensis. Phenology: flowering & fruiting.RMRM37158 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn511Leslie N. Goodding190189221U.S.A.WyomingWashakieNowood Creek.-107.411443.98714931524Gulches. Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMRM254184 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn232Loran C. Anderson195586218U.S.A.WyomingTetonTarghee National Forest: Teton Canyon: Treasure Mountain Scout Camp.-110.954243.76342103Frequent in drying loamy soil of disturbed area with Aster and Arabis. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering.RMRM179725 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1690Louis O. Williams1934730211U.S.A.WyomingTetonGrand Teton National Park: Cascade Canyon.-110.78543.76372286Dry hillside. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMRM195636 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn29Edith V. A. Murphey1942717198U.S.A.WyomingFremontSt. Lawrence Basin.-109.198643.04821859In granitic soil. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMRM51312 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9012O. M. Oleson19047183U.S.A.WyomingParkYellowstone National Park: Fountain.-110.80844.55122225*Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMRM297848 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn115Orval C. Harrison1975823235U.S.A.WyomingLincolnStar Valley-Greys River in the Afton Area; Salt Creek, 1 mi S of Salt River Pass.-110.924342.48412164Growing abundantly in vast open areas on sagebrush hillsides. Phenology: flowering & fruiting.RMRM297849 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn116Orval C. Harrison1975822234U.S.A.WyomingLincolnStar Valley-Greys River in the Afton area; at the old CCC camp in Grover Park.-110.885542.81332164Growing with Erigeron and Achillea in open areas and lodgepole pine forest. Phenology: flowering.RMRM21558 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4633P. A. Rydberg Ernst A. Bessey1897814226U.S.A.WyomingParkYellowstone National Park: Yellowstone Falls.-110.508544.71782286*Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMRM730884 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn152Patricia P. Douglas N. E. Hastings199775186U.S.A.WyomingSheridanSheridan Training Area: 0.9 km SSE of Peak 4244, 1.9 km NE of Peak 4290.1250Common in disturbed Artemisia grassland on southeast-facing (10-20 deg) slope in loam, soil series Worfka-Shingle-Samday complex, with Artemisia tridentata, Tragopogon dubius, Alopecurus aequalis, Bromus tectorum, and Stipa comata. Phenology: flowering & fruiting.RMUSFS406768 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn47218Philip V. Woodhead192489222U.S.A.WyomingSheridanBighorn National Forest: at Experimental Plot No 3.Phenology: flowering.RMRM311190 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn104Robert E. Pfadt1940730212U.S.A.WyomingConverseEsterbrook.-105.370842.41261981Mountain meadow. Phenology: flowering & fruiting.RMRM227324 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn253Richard W. Hurd1951820232U.S.A.WyomingSheridanBighorn National Forest: 1 mi W of Bear Lodge on Wyo Hwy 14, Tongue District.-107.54544.759724692% south slope; deep clay loam; park-grass-weed community with Geranium viscosissimum, Lupinus spp., Festuca idahoensis; common. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMUSFS406767 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn253Richard W. Hurd1951820232U.S.A.WyomingSheridanBighorn National Forest: 1 mi W of Bear Lodge on Wyo Hwy 14, Tongue District.-107.54544.759724692% south slope; deep clay loam; park-grass-weed community with Geranium viscosissimum, Lupinus spp., Festuca idahoensis; common. Phenology: flowering & fruiting.RMRM616102 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8887Richard W. Scott1992726208U.S.A.WyomingFremontIn the Little Popo Agie Moraine.-108.825342.61462551Wet meadow. Phenology: flowering.RMRM282614 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn912Richard W. Scott196683215U.S.A.WyomingFremontEastern slope of the Wind River Range W of Lander; Sinks Canyon along the Popo Agie River.-108.844842.73192195Douglas fir woods and Alder thickets. Phenology: flowering.RMRM601085 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6453Robert D. Dorn1995814226U.S.A.WyomingHot SpringsNear head of Grass Creak along Forest Road 214.-109.00343.86552652Grassy slope with Galium and Lupinus. Phenology: flowering.RMRM600385 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6567Robert D. Dorn1995829241U.S.A.WyomingPlatte23 mi NW of Wheatland.-105.234542.32711768Grassy slope with Pinus and Mahonia. Phenology: flowering & fruiting.RMRM273822 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9Robert L. Tresler196373184U.S.A.WyomingNatronaCasper Mountain: Camp Wyoba area.-106.314942.72972439Moist meadow. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMRM316055 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1126Robert W. Lichvar197783215U.S.A.WyomingTetonGros Ventre Mountains: North Fork of Fishermans Creek.-110.271743.19142134Growing with Linum sp. and Agrostis sp.; infrequent in open area. Phenology: flowering.RMRM316053 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn891Robert W. Lichvar1977620171U.S.A.WyomingTetonGros Ventre Mountains: Cache Creek.-110.688243.44232195Growing with Tragopogon sp. and Geranium sp; infrequent in open are with dark soil. Phenology: flowering.RMRM394764 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn368Roger L. Williams198684216U.S.A.WyomingCarbonSierra Madre: Encampment River Canyon, ca 6.5 air mi S of Encampment.-106.898241.1132286Open meadow. Abundant. Phenology: flowering & fruiting.RMUSFS406760 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn67Roy Connor1927818230U.S.A.WyomingTetonTeton National Forest: Bryan Flat Ranger Station.-110.649143.2564182912% north slope; deep clay loam; woodland community with Brome and geranium; medium abundance. Phenology: flowering.RMRM700114 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn11637Stuart Markow199884216U.S.A.WyomingTetonGrand Teton National Park: Colter Bay employee residential area, ca 8 air mi NW of Moran, ca 0.5 air mi E of Colter Bay Visitor's Center.-110.628643.90922073Open lodgepole pine/ grassland with Pinus contorata, Calamagrostis rubescens, Perideridia montana, Bromus inermis and Poa pratensis. Phenology: flowering.RMRM335555 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn162Thomas J. Mastrella198086219U.S.A.WyomingCarbonSierra Madre Mountains, ca 20.5 air mi E of Baggs.-107.278441.06952362Abundant in fine loam on disturbed east facing roadside with Agropyron smithii, Madia glomerata, Potentilla gracilis, and Symphoricarpos. Phenology: flowering & fruiting.RMRM69082 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn615Vie Willits191077188U.S.A.WyomingSheridanJackson Creek.-107.099844.658215241676Brushy ravines. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMRM288304 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3940aWilhelm G. Solheim Ragnhild Solheim1955710191U.S.A.WyomingTetonTeton National Forest: 4 mi up Pacific Creek Road from Two Ocean Lake.-110.444343.93872256Good soil. Phenology: buds.RMRM579854 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn13204Walter Fertig1992728210U.S.A.WyomingSubletteEast slope Wyoming Range: Irene Creek drainage; ca 1.5 mi NE of summit of Lander Peak; ca 27 air mi NW of Big Piney.-110.51842.801625602621Partly shady, sandy roadcut and roadbed of logging road and old trail in young lodgepole pine grove at edge of shady subalpine fir forest. Phenology: flowering.RMRM354457 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn367Yoshiko Akashi1982728209U.S.A.WyomingFremontLimestone Mountain, near Dry Lake.-108.668942.58522314In an aspen stand. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3368Amy J. Roderick199788220U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Ferris Mountains: south side of range S of Youngs Pass, ca 11 air mi SE of Three Forks Junction; ca 14.2 air mi E of Bairoil.-107.279642.2532408Mountain stream in Douglas fir forest. Phenology: flowering.RMRM756816 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn51500B. E. Nelson200087220U.S.A.ColoradoRouttNorth-central Colorado: Park Range: along a tributary of Tennessee Creek E and below Shield Mountain, ca 6.5-7 air mi NW of Columbine; ca 32.5-33 air mi NNW of Steamboat Springs.-107.04440.924124392530Meadows, along small drainage channnels, and edge of aspen. Phenology: flowering & fruiting.RMRM756805 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn51620B. E. Nelson200087220U.S.A.ColoradoRouttNorth-central Colorado: Park Range: along King Solomon Creek ca 2 air mi NW of Little Red Park, ca 4 air mi NNE of Columbine; ca 30 air mi N of Steamboat Springs.-106.930540.909724872512Dry meadows in spruce-fir forest. Phenology: flowering & fruiting.RMRM756804 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn51648B. E. Nelson200088221U.S.A.ColoradoRouttNorth-central Colorado: Elkhead Mountains: along Slater Creek in the western part of Slater Park, ca 2.5 air mi SE of Columbus Mountain; ca 25 air mi NNE of Hayden.-107.157540.852224872548Sagebrush slopes and grassy patches. Phenology: flowering & fruiting.RMRM756803 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn51730B. E. Nelson200088221U.S.A.ColoradoRouttNorth-central Colorado: Elkhead Mountains: near the head of Elkhead Creek at the north end of California Park, ca 1.5 air mi E of Saddle Mountain; ca 22.5 air mi NE of Hayden.-107.138640.809125152560Silver sagebrush meadow and slope. Phenology: flowering & fruiting.RMRM756802 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn51909B. E. Nelson2000815228U.S.A.ColoradoMoffatNorth-central Colorado: Elkhead Mountains: around Freeman Reservoir and along Little Cottonwood Creek below, ca 18.5 air mi NNE of Craig.-107.422440.76626582670Slopes above the creek. Phenology: flowering.RMRM756801 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn67966Ronald L. Hartman2000710192U.S.A.ColoradoRouttNorth-central Colorado: Elkhead Mountains: First Creek, ca 4 air mi S of California Park Guard Station.-107.157540.737323782408Meadows and streamside. Phenology: buds.RMRM756781 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn68173Ronald L. Hartman2000711193U.S.A.ColoradoRouttNorth-central Colorado: Elkhead Mountains: trail to Sand Mountain, ca 5-8 air mi NW of Clark.-106.987240.751625303048Aspen and conifer forests. Phenology: buds.RMRM756780 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn68876Ronald L. Hartman Sarah Nunn2000727209U.S.A.ColoradoJacksonNorth-central Colorado: Park Range: N-S trail just off Fryingpan Trail, 4-5 air mi S of Big Creek Lakes, ca 18 air mi NW of Walden.-106.574140.85022652Forested edge. Phenology: flowering & fruiting.RMRM761942 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn54825B. E. Nelson2001730211U.S.A.ColoradoRouttNorth-central Colorado: Park Range: Hinman Lake and vicinity to Hinman Creek, ca 1.5 air mi N of the Elk River, ca 6.5 air mi NE of Clark; ca 20 air mi N of Steamboat Springs.-106.835440.765824982500Aspen woodlands. Phenology: flowering & fruiting.RMRM761941 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn54926B. E. Nelson2001731212U.S.A.ColoradoRouttNorth-central Colorado: Elkhead Mountains: Georges Gulch at County 52 E, ca 3 air mi N of The Sleeping Giant, ca 12 air mi NW of Steamboat Springs.-106.986740.60782121Roadside and right of way in rolling open hills. Phenology: flowering & fruiting.RMRM761940 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn55012B. E. Nelson2001731212U.S.A.ColoradoRouttNorth-central Colorado: Park Range: north end of Crane Park just above Middle Fork Little Snake River, ca 6.5 air mi NNE of Columbine; ca 31.5 air mi N of Steamboat Springs.-106.929940.938225122548Silver-mountain sagebrush slope and meadow. Phenology: flowering & fruiting.RMRM761911 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn55615B. E. Nelson2001813225U.S.A.ColoradoRouttNorth-central Colorado: Elkhead Mountains: along South Fork Slater Creek, ca 1 1/4-1 3/4 air mi N of Lost Park, ca 22-22.5 air mi N of Hayden.-107.289440.808925122652Aspen forest. Phenology: flowering & fruiting.RMRM761910 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn56135B. E. Nelson2001822234U.S.A.ColoradoRouttNorth-central Colorado: Park Range: along Forest Road 441 to Floyd Peak above Reed Creek, ca 4.5-5 air mi E of Clark; ca 15 air mi N of Steamboat Springs.-106.835440.69425482713Aspen-chokecherry slope. Phenology: fruiting.RMRM761909 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn56290B. E. Nelson2001828240U.S.A.ColoradoRouttNorth-central Colorado: Park Range: along County Road 64 A or Forest Road 440, ca 1 air mi S of Hinman Park and Elk River, ca 5 air mi NE of Clark; ca 17.5 air mi N of Steamboat Springs.-106.835440.737123652390Aspen grove. Phenology: fruiting.RMRM761908 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn56385B. E. Nelson2001828240U.S.A.ColoradoRouttNorth-central Colorado: Park Range: along Forest Spur Road 471.1 from Forest Road 471 to upper Long Draw, NE of Mount Candy, ca 2.5 air mi SE of Clark; ca 13.5 air mi N of Steamboat Springs.-106.892140.679625972670Willow thickets, meadows, and aspen grove in the bottom of the draw. Phenology: fruiting.RMRM826643 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1570David Scott Klara Varga2006710191U.S.A.WyomingTetonGrand Teton National Park and Vicinity: Teton Range: near Elk Ridge, ca 18 air mi NW of Moran; ca 25 air mi N of Moose.-110.760544.01022190Salix wolfii riparian bottomland. Phenology: flowering.RMRM826642 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1838David Scott Nancy Bockino2006716197U.S.A.WyomingTetonGrand Teton National Park and Vicinity: Teton Range: near Moran Bay, ca 13 air mi W of Moran; ca 14.5 air mi NNW of Moose.-110.753943.86112089Picea engelmannii/Abies lasiocarpa/Pinus contorta forest with shrub understory. Phenology: flowering.RMRM826641 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2032David Scott Klara Varga2006718199U.S.A.WyomingTetonGrand Teton National Park and Vicinity: Teton Range: near mouth of Webb Canyon, ca 16.5 air mi NW of Moran; ca 23.5 air mi N of Moose.-110.743243.98882373Limestone slope and talus dominated by Pseudotsuga menziesii. Phenology: flowering.RMRM826640 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2323David Scott Amanda Richardson2006726207U.S.A.WyomingTetonGrand Teton National Park and Vicinity: Jackson Hole: near Two Ocean Lake, ca 6 air mi N of Moran; ca 21.5 air mi NE of Moose.-110.501743.92132195Pinus contorta and Picea engelmannii forest with small openings. Phenology: flowering & fruiting.RMRM826639 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2592David Scott200683215U.S.A.WyomingTetonGrand Teton National Park and Vicinity: Jackson Hole: near Pilgrim Creek, ca 6 air mi NW of Moran; ca 19.5 air mi NNE of Moose.-110.563443.91322128Picea engelmannii forest and small open meadow. Phenology: flowering & fruiting.RMRM826638 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2747David Scott Chuck Schaap200685217U.S.A.WyomingTetonGrand Teton National Park and Vicinity: John D. Rockefeller Jr. Memorial Parkway: near Glade Creek, ca 23 air mi NW of Moran; ca 32 air mi N of Moose.-110.731144.1062181Pinus contorta and Abies lasiocarpa forest. Phenology: flowering & fruiting.RMRM826637 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2810David Scott Andrew Bishop200688220U.S.A.WyomingTetonGrand Teton National Park and Vicinity: Jackson Hole: near Two Ocean Lake, ca 4 air mi N of Moran; ca 19.5 air mi NNE of Moose.-110.533943.90182126Festuca idahoensis/Phleum pratense/Poa spp. grassland meadow adjacent to pond. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2969David Scott Damian Stoy2006810222U.S.A.WyomingTetonGrand Teton National Park and Vicinity: John D. Rockefeller Jr. Memorial Parkway: near Glade Creek, ca 22.5 air mi NW of Moran; ca 30.5 air mi N of Moose.-110.772544.08832338Carex dominated mesic meadow. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3113David Scott Tacheeni Scott2006816228U.S.A.WyomingTetonBridger-Teton National Forest: Teton Wilderness: near Bailey Meadows, ca 14 air mi NNW of Moran; ca 25.5 air mi NNE of Moose.-110.625244.02192310Open, dry meadow surrounded by mixed conifer forest. Phenology: flowering & fruiting.RMRM826636 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3199David Scott Tacheeni Scott2006818230U.S.A.WyomingTetonGrand Teton National Park and Vicinity: Teton Range: in Webb Canyon, ca 16 air mi NW of Moran; ca 23 air mi N of Moose.-110.739343.97732243Glacial polished rocky dome with scattered Pinus contorta, Pseudotsuga menziesii, and Spirea betulifolia on ledges. Phenology: flowering.RMRM837423 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4629David Scott Klara Varga2007711192U.S.A.WyomingTetonGrand Teton National Park and Vicinity: Teton Range: in Webb Canyon, ca 17.5 air mi WNW of Moran; ca 21.5 air mi NNW of Moose.-110.806543.95272390Salix spp. bottomland and streambanks. Phenology: flowering.RMRM837422 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4735David Scott Mike Straw2007716197U.S.A.WyomingTetonBridger-Teton National Forest: Teton Wilderness: ca 1 air mi NE of Flagg Ranch; ca 21 air mi NNW of Moran.-110.654844.11362134Mixed conifer forest on slope. Phenology: flowering & fruiting.RMRM837421 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4798David Scott Mike Straw2007717198U.S.A.WyomingTetonBridger-Teton National Forest: Teton Wilderness: near Pilgrim Creek, ca 11.5 air mi N of Moran; ca 25 air mi NNE of Moose.-110.542643.99582253Bench above stream bed with cobbly, well-drained soil. Phenology: flowering.RMRM837420 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4860David Scott Mike Straw2007718199U.S.A.WyomingTetonBridger-Teton National Forest: Teton Wilderness: near Wildcat Peak, ca 13 air mi N of Moran; ca 27 air mi NNE of Moose.-110.5344.02412536Montane meadow with small stands of mixed conifer burned in 1988. Phenology: flowering.RMRM837419 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4946David Scott Mike Straw2007719200U.S.A.WyomingTetonBridger-Teton National Forest: Teton Wilderness: near Pilgrim Creek, ca 10.5 air mi N of Moran; ca 24 air mi NNE of Moose.-110.549343.98662225Wet meadow and banks of pond formed by upwelling springs. Phenology: flowering & fruiting.RMRM837418 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5181David Scott Klara Varga200787219U.S.A.WyomingTetonGrand Teton National Park and Vicinity: Teton Range: in Webb Canyon, ca 17 air mi NW of Moran; ca 21.5 air mi NNW of Moose.-110.792343.96022439Open Picea engelmannii forest on north-facing slope. Phenology: flowering & fruiting.RMRM837417 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5300David Scott Klara Varga200789221U.S.A.WyomingTetonGrand Teton National Park and Vicinity: Jackson Hole: on west shore of Jackson Lake near Wilcox Point, ca 15.5 air mi NW of Moran; ca 23.5 air mi N of Moose.-110.716243.99392067Salix wolfii bottomland. Phenology: flowering & fruiting.RMRM837416 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5666David Scott Klara Varga2007821233U.S.A.WyomingTetonGrand Teton National Park and Vicinity: Teton Range: in Owl Canyon, ca 19.5 air mi NW of Moran; ca 25 air mi NNW of Moose.-110.806744.00222240Montane willow bottomland with stream. Phenology: flowering & fruiting.RMRM837415 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn86399Ronald L. Hartman200789221U.S.A.WyomingTetonGrand Teton National Park and Vicinity: John D. Rockefeller Jr. Memorial Parkway: wetlands along Glade Creek, SE of lower end of Grassy Lake Reservoir.-110.77244.1112190Sedge meadows, low water level, floating plants in pond and stream. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1303Neil Snow1987723204U.S.A.WyomingTetonSouthwestern Absarokas: Teton Wilderness: ca 12 air mi NE of Moran Junction, near Pacific Creek.-110.363943.98212210Dry sagebrush-grass meadow near creek.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1625Neil Snow1987730211U.S.A.WyomingTetonSouthwestern Absarokas: Teton Wilderness: ca 11.5 mi N of Togwotee Pass.-110.042343.924224542713In wet ground near stream.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1765Neil Snow198787219U.S.A.WyomingTetonSouthwestern Absarokas: Yellowstone National Park: ca 10 air mi NNW of Evans Lake, ca 15 air mi NE of Moran.-110.283544.14132530Meadow surrounded by spruce-fir forest.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1905Neil Snow198788220U.S.A.WyomingTetonSouthwestern Absarokas: Teton Wilderness: ca 2.5 air mi N of Gravel Lake, ca 17.5 air mi NE of Moran.-110.363944.06892621Ridgetop amidst spruce-fir forest and dry, open slope with southern exposure.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1978Neil Snow1987816228U.S.A.WyomingFremontSouthwestern Absarokas: ca 21 air mi NW of Dubois in vicinity of Forest Service Road 513.-109.938343.66262500Lodgepole pine/Aspen-sagebrush ecotone and roadside.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2168Neil Snow1987818230U.S.A.WyomingTetonSouthwestern Absarokas: Teton Wilderness: ca 18.5 air mi NE of Moran Junction above Two Ocean-North Buffalo Fork Trail.-110.203143.98212500Open meadows with SE exposure on fine limestone talus.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2833Neil Snow1988630182U.S.A.WyomingParkSouthwestern Absarokas: Teton Wilderness: along outfitters trail W of Throrofare Plateau, ca 2.5 air mi S of Yellowstone National Park.-110.042344.09782835In seep.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3124Neil Snow198874186U.S.A.WyomingParkSouthwestern Absarokas: Yellowstone National Park: area between Thorofare Creek and Escarpment Creek, vicinity of Throrfare Ranger Station.-110.082544.15572454Dry, rocky meadow.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3874Neil Snow1988723205U.S.A.WyomingTetonSouthwestern Absarokas: Bridger-Teton National Forest: along Pacific Creek, ca 5 air mi NE of Moran Junction, ca 35 air mi NE of Jackson.-110.464443.90972149Forests, meadows and gravel bars along creek.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4238Neil Snow1988730212U.S.A.WyomingParkSouthwestern Absarokas: Teton Wilderness: vicinity of Pass Creek, ca 1.5 air mi NW of Thorofare Buttes, ca 45 air mi SW of Cody.-109.821244.15572713Along gravel bars and adjacent dry meadows.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4302Neil Snow198885218U.S.A.WyomingFremontSouthwestern Absarokas: Teton Wilderness: vicinity of Cub Creek and Upper Cub Creek Trails junction, ca 1.5 air mi NNW of Bear Cub Pass, ca 27 air mi NW of Dubois.-110.0208343.8072225912652Dry meadows and forest edge.RMRM106687 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn728A. C. McIntosh1925719200U.S.A.South DakotaPenningtonCastle Creek Valley.Common in meadows along with timothy. Phenology: flowering.RMRM106687 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn728Arthur C. McIntosh1925719200U.S.A.South DakotaPenningtonCastle Creek Valley.Common in meadows along with timothy. Phenology: flowering.RMUSFS406292 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1E. Chester Garrett1967914257U.S.A.South DakotaLawrenceBlack Hills National Forest: Dead Ox Gulch.-103.932244.26141859On 5 percent east slope; loamy clay soil; moist forest draw; with [Ju]niperus co[mmunis], Ar[ctostaphylos] uv[a-ursi], Be[rberis] re[pens], Orra, Carex, forbs. Phenology: flowering.RMUSFS406292 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1E. Chester Garrett1967914257U.S.A.South DakotaLawrenceBlack Hills National Forest: Dead Ox Gulch.-103.932244.26141859On 5% east slope; loamy clay soil; moist forest draw; with [Ju]niperus co[mmunis], Ar[ctostaphylos] uv[a-ursi], Be[rberis] re[pens], Orra, Carex, and forbs. Phenology: flowering.RMRM242852 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1145F. L. Bennett1938724205U.S.A.South DakotaLawrenceNorthern Black Hills.1768Wet draw, open woods. Phenology: flowering & fruiting.RMUSFS406290 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn26H. A. Gould1927817229U.S.A.South DakotaCusterHarney National Forest: Redbird Canyon.-103.909243.95212103South slope; clay loam soil; meadow type. Phenology: flowering.RMRM110701 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2748Herman E. Hayward192785217U.S.A.South DakotaLawrenceLimestone District: Crooks Tower.-103.934344.15142146Meadow and open woods; grass-yellow pine association. Phenology: flowering.RMUSFS406291 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorns.n.J. D. Reddick19138213U.S.A.South DakotaPenningtonHarney National Forest.Phenology: flowering & fruiting.RMRM92458 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn13741W. H. Over1921829241U.S.A.South DakotaLawrenceCrook Mountain. (not Crooks Tower)-103.635544.41691481High altitude. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3717Amy J. Roderick1997814226U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Ferris Mountains: Arkansas Creek on north side of range, ca 13.5 air mi from Three Forks Junction.-107.201742.26742378Dry sagebrush flats at periphery of conifer-lined creek. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2408B. A. Packer J. Brondum and T. McGowan1997729210U.S.A.WyomingAlbanyLaramie Range: Soldier Creek, ca 20 air mi SW of Douglas.-105.332442.370118991920East facing mountain slope with granite outcrops. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2431B. A. Packer J. Brondum and T. McGowan1997730211U.S.A.WyomingConverseLaramie Range: along unnamed branch of Indian Creek, ca 19 air mi SW of Douglas.-105.430342.427518991920Hillside Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2470B. A. Packer J. Brondum and T. McGowan1997730211U.S.A.WyomingConverse[location and coordinates withheld]17981899Granite outcrop. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2538B. A. Packer J. Brondum and T. McGowan1997730211U.S.A.WyomingConverseLaramie Range: along Trail Creek, ca 3 air mi SW of Esterbrook; ca 21 air mi SW of Douglas.-105.449942.35581960Granite outcrop. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2600B. A. Packer J. Brondum and T. McGowan1997731212U.S.A.WyomingAlbanyLaramie Range: unnamed branch of Roaring Fork, ca 19 air mi SW of Douglas.-105.508742.298422012219Cow pasture in aspen forest. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2685B. A. Packer J. Brondum and T. McGowan199786218U.S.A.WyomingConverseLaramie Range: Pool Creek, ca 24 air mi SE of Douglas.-105.430342.37011995Sagebrush grassland; heavily grazed. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2755B. A. Packer J. Brondum and T. McGowan199788220U.S.A.WyomingAlbanyLaramie Range: Friend Park; lower 1/2 Laramie Peak Trail, ca 27.5 air mi SE of Douglas.-105.449942.269725302731Along trail. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2804B. A. Packer J. Brondum and T. McGowan199788220U.S.A.WyomingAlbanyLaramie Range: along Silver Tip Creek, ca 29 air mi SW of Douglas.-105.546842.267425272628Granite outcrops. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2864B. A. Packer J. Brondum and T. McGowan199789221U.S.A.WyomingAlbanyLaramie Range: along Horseshoe Creek, ca 24 air mi SW of Douglas.-105.430342.355825272628Sagebrush grassland with granite outcrops. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2954B. A. Packer J. Brondum and T. McGowan1997813225U.S.A.WyomingNatronaLaramie Range: Deer Creek Range: ca 18 air mi SE of Casper.-106.137942.569525002545Steep hillside. Phenology: fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3152B. A. Packer J. Brondum and T. McGowan1997824236U.S.A.WyomingAlbanyLaramie Range: La Bonte Canyon: La Bonte Creek, ca 16 air mi W of Esterbrook.-105.683142.3832189Along creek. Phenology: flowering & fruiting.RMRM399699 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn14828Dieter H. Wilken1987730211U.S.A.ColoradoRouttLarson Creek, west edge of Steamboat Lake State Park, 4 mi SW of Hahns Peak.-106.986740.80892469On gravelly soil of west exposure with Artemesia tridentata. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn41627B. E. Nelson1997716197U.S.A.WyomingConverse[location and coordinates withheld]22682329Steep gravelly slopes with rock outcrops, "pavement", grassy patches, scattered limber pine, and occasional Douglas fir. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn41682B. E. Nelson1997716197U.S.A.WyomingNatrona[location and coordinates withheld]22682317Steep gravelly slopes with rock outcrops, "pavement", grassy patches, scattered limber pine. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn41814B. E. Nelson1997720201U.S.A.WyomingNatronaLaramie Range: east end of Casper Mountain, ca 2 air mi W of the Hat Six Hogback, ca 10 air mi SE of Casper.-106.196942.744320122103Gentle sandy slopes and flats above the canyons with scattered areas of ponderosa pine, sagebrush-forbs, and rock outcrops. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn42041B. E. Nelson1997722203U.S.A.WyomingAlbanyLaramie Range: lower Big Bear Canyon, ca 2.5-3 air mi WNW of South Sawtooth Mountain and 1.5-2 air mi NNE of Blacktail Peak above La Bonte Creek, ca 27-28 air mi SSW of Douglas.-105.624642.397520122097Stream bank and meadows. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn42094B. E. Nelson1997724205U.S.A.WyomingAlbanyLaramie Range: along Esterbrook or County Road 710 between Hay Draw and Antelope Creek, ca 2 air mi NW of Sugarloaf Mountain, ca 64 air mi N of Laramie; ca 39 air mi SSW of Douglas.-105.624642.224124322530Sagebrush slopes. Phenology: flowering.RMRM164906 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1891George E. Osterhout189993246U.S.A.ColoradoJacksonNorth Park sawmill.Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn42210B. E. Nelson1997724205U.S.A.WyomingAlbanyLaramie Range: along Boulder Creek and vicinity off Marshall or County Road 610, ca 3.5-4 air mi NE of Marshall, ca 74 air mi N of Laramie; ca 35.5 air mi S of Glenrock.-105.819342.354123412439Meadow, adjacent sagebrush, and in a limber pine stand. Phenology: flowering.RMRM164908 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3385George E. Osterhout1906817229U.S.A.ColoradoEagleRed Cliff.Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn42302B. E. Nelson1997727208U.S.A.WyomingAlbanyLaramie Range: near the head of Davidson Creek, ca 4.5 air mi NW of Marshall and ca 4.3 air mi SE of Little Medicine; ca 75 air mi NNW of Laramie.-105.916742.354123172402Wet to moist meadows among the rocks. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn42366B. E. Nelson199787219U.S.A.WyomingConverseLaramie Range: above the head of Sleepy Jack and Beaver (Aspen) creeks, ca 2.5 air mi SE of Breakneck Hill, ca 6 air mi NNE of Little Medicine; ca 27.5 air mi S of Glenrock.-105.941342.467526092695Rocky slopes, cliffs and outcrops, and summits with Douglas fir/limber pine woodland, and sagebrush draws and slopes. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn42417B. E. Nelson199787219U.S.A.WyomingConverse[location and coordinates withheld]24542500Moist to wet meadows along the stream. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn42467B. E. Nelson1997811223U.S.A.WyomingConverseLaramie Range: Spring Creek valley off Glendo or County Road 6, ca 16 air mi NE of Laramie Peak, ca 5.3 air mi NE of Esterbrook; ca 21 air mi SSE of Douglas.-105.294942.471617371768At the edge of the channel and lower slopes. Phenology: flowering & fruiting.RMRM16984 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorns.n.George E. Osterhout1899825237U.S.A.ColoradoRoutt5 mi E of Hayden: Stantons.Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn42518B. E. Nelson1997811223U.S.A.WyomingPlatteLaramie Range: along Spring Creek below Ridge or County Road 6, ca 16 air mi NE of Laramie Peak, ca 5.5 air mi NE of Esterbrook; ca 13.5 air mi W of Glendo.-105.275242.471617251737Grassy flat with scattered Artemisia cana. Phenology: fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn42572B. E. Nelson1997812224U.S.A.WyomingAlbanyLaramie Range: along Three Cripples Creek ca 1-1.5 air mi W of Harris Park or Forest Road 633, ca 1.5-2 air mi ESE of Esterbrook; ca 25 air mi S of Douglas.-105.332442.413116951798Open ponderosa pine forest on northerly facing slope. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn42642B. E. Nelson1997813225U.S.A.WyomingConverse[location and coordinates withheld]1713Open areas among the thickets in the creek bottom. Phenology: fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn42786B. E. Nelson1997814226U.S.A.WyomingConverseLaramie Range: School Section Mountain ca 0.5-1 air mi W of Old Fort Fetterman or County Road 16, ca 18-18.5 air mi WNW of Esterbrook; ca 26 air mi SW of Douglas.-105.725142.467522682317In shallow swales and among limber pine. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn42813B. E. Nelson1997814226U.S.A.WyomingConverseLaramie Range: Rocky Ford Creek in Downey Park ca 3/4 mi N of Albany County on Old Fort Fetterman or County Road 16, ca 17-17.8 air mi W of Esterbrook; ca 28 air mi SW of Douglas.-105.705442.438322802298Meadows along the creek. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn42846B. E. Nelson1997817229U.S.A.WyomingConverseLaramie Range: Twin Peaks from Roaring Fork to the summit, ca 2 air mi W of LaPrele Creek and Cold Springs or County Road 24, ca 25-26 air mi WNW of Esterbrook; ca 27 air mi S of Glenrock.-105.862742.48225002829Clearings in mixed conifer forest on and near the summit. Phenology: flowering & fruiting.RMRM755182 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7589Neil Snow S. Snow1998731212U.S.A.ColoradoRouttRoutt County Road 209; entrance to Lester Creek Reservoir (Pearl Lake); ca 20 air mi N of Steamboat Springs.-106.89166740.4580562464Edges of meadow and aspen grove. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn43014B. E. Nelson1997819231U.S.A.WyomingNatronaLaramie Range: along Smith Creek below Otter Creek at the east end of Muddy Mountain on Smith Creek or County Road 607, ca 16 air mi SE of Casper.-106.157642.656918841981Open slopes with scattered large limestone boulders and sagebrush and scattered mountain shrub. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn43106B. E. Nelson1997819231U.S.A.WyomingNatrona[location and coordinates withheld]18781926Sandy soil in open draw. Phenology: flowering & fruiting.RMUSFS406289 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) DornW-24Philip V. Woodhead1925715196U.S.A.ColoradoMoffatRoutt National Forest: Bears Ears District.2439Slight north slope, clayey loam. Moffat/Routt counties Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn43159B. E. Nelson1997821233U.S.A.WyomingAlbanyLaramie Range: along Corduroy Creek below Old Fort Fetterman or County Road 61, ca 17 air mi W of Esterbrook; ca 77.5 air mi N of Laramie.-105.702542.411922682280Meadows along the creek. Phenology: fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn43180B. E. Nelson1997821233U.S.A.WyomingAlbany[location and coordinates withheld]22712292Sagebrush-meadow adjacent to a snow fence. Phenology: fruiting.RMUSFS406288 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn44Ray Peck1914726207U.S.A.Coloradono countyRoutt National Forest.2134Open hillsides. Phenology: flowering & fruiting.RMRM718163 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9434Robert D. Dorn2002728209U.S.A.ColoradoMoffatCa. 16 mi NE of Craig, Elkhead Mts.,-107.37333340.7333332652Aspen. Phenology: flowering.RMRM229297 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7066William A. Weber1951728209U.S.A.ColoradoRouttCa 10 mi W of Steamboat Springs: Ben Munger Ranch, just W of Elk Mountain.Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2131Thomas Cramer1994720201U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: vicinity of Coal Creek, ca 14 air mi N of Border Junction.-110.89027842.42361121952439Northeast facing hillside of meadows and Douglas fir forest. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn30307Ronald L. Hartman Rafael Molina1991724205U.S.A.IdahoFremontTarghee National Forest: West Slope Teton Range: Cart Hollow, ca 3 air mi NE of Lamont.-111.149643.991518901920Lodgepole pine forests with scattered meadows and wet areas.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn30840Ronald L. Hartman Rafael Molina1991728209U.S.A.IdahoTetonTarghee National Forest: West Slope Teton Range: McRenolds Reservoir, ca 8 air mi E of Lamont.-111.049943.96252134Openings adjacent to reservoir.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn10302Stuart Markow199286219U.S.A.IdahoClarkTarghee National Forest: Western Centennial Mountains: Pleasant Valley Creek area, ca 7 air mi NW of Spencer.-112.311144.410321342195Opening in coniferous forest dominated by grasses and forbs with scattered Artemisia.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn10441Stuart Markow199289222U.S.A.IdahoClarkTarghee National Forest: Centennial Mountains: Taylor Creek area, ca 15 air mi NW of Island Park.-111.646644.49631768Clearing in coniferous forest, dominated by grasses and forbs.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn10784Stuart Markow1992817230U.S.A.IdahoFremontTarghee National Forest: Henrys Lake Mountains: along Twin Creek, ca 10 air mi SW of West Yellowstone, Montana.-111.306344.612720122073Coniferous forest dominated by Pseudotsuga menziesii and Symphoricarpos.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn10953Stuart Markow1992819232U.S.A.IdahoFremontTarghee National Forest: Island Park Plateau: Sheep Falls Road, ca 1 air mi E of intersection with U.S. Hwy 20, ca 8.5 air mi NE of Ashton.-111.425444.1941859Clearcut coniferous forest with forbs, grasses, and scattered Pinus contorta.RMRM692130 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3583Stuart Markow1991720201U.S.A.WyomingTetonBridger-Teton National Forest: East Slope Snake River Range: Coburn Creek Trail, from Prichard Pass.-110.860343.321620122134Largely riparian, alternating with coniferous forest dominated by Pinus contorta and Picea engelmannii. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4245Stuart Markow1991728209U.S.A.IdahoMadisonTarghee National Forest: West Slope Big Hole Mountains: West Pine Creek Trail, just N of Ida Hwy 31.-111.31143.571418291951Coniferous forest, dominated by Abies lasiocarpa and Pinus contorta, with many openings, some riparian.RMRM692133 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4447Stuart Markow1991730211U.S.A.WyomingTetonTarghee National Forest: West Slope Teton Range: Moose Creek Trail.-110.954243.561824392621Coniferous forest dominated by Abies lasiocarpa and Picea pungens, and adjacent riparian. Phenology: flowering.RMRM695021 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4758Stuart Markow199181213U.S.A.WyomingLincolnTarghee National Forest: West Slope Snake River Range: South Fork of Indian Creek, ca 5 air mi N of Alpine Junction.-111.042443.245821342195Coniferous forest dominated by Picea engelmannii and Abies lasiocarpa. Phenology: flowering & fruiting.RMRM800609 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4771Stuart Markow199181213U.S.A.WyomingLincolnTarghee National Forest: West Slope Snake River Range: South Fork of Indian Creek, ca 5 air mi N of Alpine Junction.-111.042443.245821342195Coniferous forest dominated by Picea engelmannii and Abies lasiocarpa. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4802Stuart Markow199182214U.S.A.IdahoTetonTarghee National Forest: East Slope Big Hole Mountains: entrance to Big Hole Canyon, ca 4 air mi SE of Victor.-111.191443.571418902012Open slope dominated by shrubs and forbs, with occasional Abies lasiocarpa and Pseudotsuga menziesii.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4962Stuart Markow199185217U.S.A.IdahoTetonTarghee National Forest: East Slope Big Hole Mountains: Patterson Creek Trail, ca 7 air mi NW of Victor.-111.231543.629518902012Coniferous forest adjacent to creek, dominated by Abies lasiocarpa, Pinus contorta, and Picea engelmannii, some riparian.RMRM692401 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5191Stuart Markow199187219U.S.A.WyomingTetonTarghee National Forest: West Slope Teton Range: Green Lakes Trail, ca 13 air mi NW of Tetonia, Idaho.-110.94643.84921342378Coniferous forest dominated by Abies lasiocarpa and Picea pungens, with many clearings and some riparian. Phenology: flowering & fruiting.RMRM692438 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5395Stuart Markow199189221U.S.A.WyomingTetonTarghee National Forest: West Slope Teton Range: Alaska Basin Trail along South Fork Teton Creek.-110.911943.762221342195Coniferous forest dominated by Abies lasiocarpa and Picea engelmannii with many openings, some riparian. Phenology: flowering.RMRM692437 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5593Stuart Markow1991811223U.S.A.WyomingTetonTarghee National Forest: East Slope Snake River Range: Divide Trail, S of Mosquito Creek Road.-110.923343.42819512012Roadside and adjacent coniferous forest, dominated by Pinus contorta, Abies lasiocarpa, and Picea engelmannii, with some riparian. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5761Stuart Markow1991813225U.S.A.IdahoFremontTarghee National Forest: West Slope Teton Range: Porcupine Creek Campground and surrounding area.-111.224144.09316761737Coniferous forest dominated by Pinus contorta, with openings and adjacent roadside, and some riparian.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5843Stuart Markow1991813225U.S.A.IdahoFremontTarghee National Forest: Island Park Plateau: Lower Mesa Falls Campground and vicinity.-111.304644.17961829Coniferous forest dominated by Pseudotsuga menziesii, with many clearings and some riparian.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5906Stuart Markow1991815227U.S.A.IdahoTetonTarghee National Forest: West Slope Teton Range: Pinochle Road, 0.5 mi E of entrance to National Forest.-111.089743.904720122103Coniferous forest dominated by Pinus contorta, Pseudotsuga menziesii, and Prunus virginiana.RMRM692147 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6142Stuart Markow1991817229U.S.A.WyomingTetonBridger-Teton National Forest: East Slope Teton Range: N of Teton Village.-110.834743.6051890Roadside and small patch of coniferous forest dominated by Pinus contorta and Abies lasiocarpa with some riparian. Phenology: flowering & fruiting.RMRM692148 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6248Stuart Markow1991819231U.S.A.WyomingTetonTarghee National Forest: West Slope Teton Range: trail from Grand Targhee Ski Area to Miles Creek Trail, ca 10 air mi NE of Driggs, Idaho.-110.954243.792223782439Coniferous forest and roadside, dominated by Abies lasiocarpa, Picea engelmannii and Lonicera utahensis. Phenology: flowering & fruiting.RMRM692149 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6412Stuart Markow1991819231U.S.A.WyomingTetonTarghee National Forest: West Slope Teton Range: Game Creek Trail, ca 4 air mi SE of Victor, Idaho.-111.053843.60519512012Coniferous forest, dominated by Picea engelmannii and Abies lasiocarpa with some areas of roadside weeds and riparian. Phenology: flowering & fruiting.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8870Stuart Markow199276188U.S.A.IdahoFremontTarghee National Forest: Island Park Plateau: road between Little Butte Road and Antelope Flat Road, ca 16 air mi NW of Ashton.-111.546244.28061951Clearcut, dominated by grasses and forbs, with scattered Pinus contorta.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9117Stuart Markow1992710192U.S.A.IdahoFremontTarghee National Forest: Yellowstone Plateau: area around intersection of Fish Creek Road and road to Snow Creek Butte, ca 16 air mi NE of Ashton.-111.163744.19420422073Coniferous forest dominated by Pinus contorta and Pseudotsuga menziesii.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9313Stuart Markow1992713195U.S.A.IdahoFremontTarghee National Forest: Island Park Plateau: Island Park, along small creek ca 50 yds N of Buffalo River; ca 300 yds W of U.S. Hwy 20.-111.387244.42261920Swampy, sparsely forested area, dominated by Carex, grasses, and forbs, with scattered Pinus contorta and Salix.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9429Stuart Markow1992715197U.S.A.IdahoFremontTarghee National Forest: Henrys Lake Mountains: Targhee Creek Trail from trail head to Dry Fork Cutoff, ca 9 air mi W of West Yellowstone, Montana.-111.306344.67122073Open coniferous forest dominated by Pseudotsuga menziesii.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9576Stuart Markow1992720202U.S.A.IdahoFremontTarghee National Forest: Island Park Plateau: along Warm River, just E of Union Pacific Railroad bed, ca 7 air mi SE of Island Park.-111.304644.338318901920Adjacent to river in logged area dominated by forbs and grasses, some Pinus contorta.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9642Stuart Markow1992722204U.S.A.IdahoClarkTarghee National Forest: Centennial Mountains: Bear Gulch at head of trail to Mule Meadows and Table Mountain, ca 7 air mi NW of Kilgore.-111.988944.4822103Along roadside adjacent to coniferous forest dominated by Pseudotsuga menziesii and Pinus contorta, some Picea englemannii.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9853Stuart Markow1992724206U.S.A.IdahoClarkTarghee National Forest: Western Centennial Mountains: Huntley Canyon, ca 2 air mi NW of Spencer.-112.22644.382518902012Edge between coniferous forest and riparian, with mostly Pseudotsuga menziesii and some open patches dominated by forbs.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4499B. A. Packer T. McGowan1998715196U.S.A.WyomingConverseLaramie Range: along Roaring Fork, ca 25 air mi SW of Douglas.-105.84342.48225002591Along creek and adjacent boulder outcrops. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4625B. A. Packer T. McGowan and J. Brondum1998721202U.S.A.WyomingAlbanyLaramie Range: along Soldier Creek, ca 37 air mi S of Douglas.-105.325942.383418902012In granite outcroppings. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5328B. A. Packer T. McGowan and J. Brondum1998812224U.S.A.WyomingNatronaLaramie Range: ca 10.5 air mi SE of Casper on County Road 607.-106.157642.68619812088Along creek and granite outcrops. Phenology: fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5461B. A. Packer J. Brondum and T. McGowan1998815227U.S.A.WyomingNatronaLaramie Range: Muddy Mountain: along Otter Creek, ca 15 air mi SE of Casper.-106.196942.656921952301Creekside. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5471B. A. Packer J. Brondum and T. McGowan1998815227U.S.A.WyomingNatronaLaramie Range: Muddy Mountain: along Otter Creek, ca 15 air mi SE of Casper.-106.196942.656921952301Creekside. Phenology: flowering & fruiting.RMRM793484 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn38788B. E. Nelson Beth Ward1996715197U.S.A.WyomingCarbonSouth-central Wyoming: Sierra Madre: Hell Canyon off Green Ridge, ca 1 air mi E of Savery Creek, ca 41 air mi S of Rawlins; ca 20 air mi NE of Baggs; ca 3.5 air mi SW of Tullis.22862347Mountain shrub community adjacent to aspen woods. Phenology: flowering.RMRM793483 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn38862B. E. Nelson1996715197U.S.A.WyomingCarbonSouth-central Wyoming: Sierra Madre: along a small drainage on the south side of Browns Hill or County Road 602, ca 3/4 mi E of Tullis, ca 37.5 air mi S of Rawlins; ca 23 air mi NE of Baggs.23532378Open aspen woods. Phenology: flowering.RMRM793482 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn39758B. E. Nelson1996813226U.S.A.WyomingCarbonSouth-central Wyoming: Sierra Madre: along Dirtyman Fork and area to the south, 0.8-1.5 air mi SW of Dexter Peak, ca 5-5.5 air mi E of Tullis; ca 36 air mi S of Rawlins; ca 26.5 air mi NE of Baggs.24142612Open aspen forest with scattered young subalpine fir and occasional lodgepole pine. Phenology: flowering & fruiting.RMRM793481 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn39966B. E. Nelson1996818231U.S.A.WyomingCarbonSouth-central Wyoming: ca 0.5 mi SW of Bridger Pass on the southeast edge of Atlantic Rim, ca 20 air mi SW of Rawlins.22622292Moist swale and adjacent banks. Phenology: flowering & fruiting.RMRM793493 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2497Beth Ward1996714196U.S.A.WyomingCarbonSouth-central Wyoming: Sierra Madre: southwestern lower slopes of Battle Mountain, ca 8 air mi E of confluence of Savery Creek and Little Snake River; ca 18.5 air mi E of Baggs.21032250Moist draw. Phenology: flowering.RMRM793492 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2524bBeth Ward1996714196U.S.A.WyomingCarbonSouth-central Wyoming: Sierra Madre: southwestern lower slopes of Battle Mountain, ca 8 air mi E of confluence of Savery Creek and Little Snake River; ca 18.5 air mi E of Baggs.21822621Close proximity to spring. Phenology: buds.RMRM793491 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2657bBeth Ward1996714196U.S.A.WyomingCarbonSouth-central Wyoming: Sierra Madre: top and south slopes of Battle Mountain, ca 8 air mi E of confluence of Savery Creek and Little Snake River; ca 18.5 air mi E of Baggs.21032774Moist slope. Phenology: flowering.RMRM793407 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2774Beth Ward1996718200U.S.A.WyomingCarbonSouth-central Wyoming: Bear Gulch drainage from unnamed, north/south oriented plateau, ca 1 air mi N of Cow Creek to The Sand Hills and Dry Cow Creek; ca 29 air mi SSW of Rawlins.22312346Aspen draw. Phenology: flowering.RMRM793490 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3028Beth Ward1996721203U.S.A.WyomingCarbon[location and coordinates withheld]21792475Moist draw. Phenology: flowering.RMRM793489 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3085Beth Ward1996721203U.S.A.WyomingCarbonSouth-central Wyoming: on east side of Atlantic Rim, ca 2 air mi SW of Bridger Pass; ca 20.5 air mi SSW of Rawlins.22832335Moist area adjacent to spring. Phenology: flowering.RMRM793488 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3184Beth Ward1996724206U.S.A.WyomingCarbonSouth-central Wyoming: top and north slopes of Cow Creek Butte, ca 1 mi NW of Deep Gulch; ca 32 air mi SSW of Rawlins.23682417Aspen thicket. Phenology: flowering.RMRM793487 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3216Beth Ward1996724206U.S.A.WyomingCarbonSouth-central Wyoming: north facing slopes and bottom of Garden Gulch, ca 1.5 air mi SW of Cow Creek Butte; ca 33 air mi SSW of Rawlins.22042292Moist draw. Phenology: flowering.RMRM793486 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3950Beth Ward1996820233U.S.A.WyomingCarbonSouth-central Wyoming: Sierra Madre: northwest slopes of Battle Mountain, ca 3 air mi N of Colorado; ca 18 air mi E of Baggs.21952524Shaded aspen grove. Phenology: flowering & fruiting.RMRM793485 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4015Beth Ward1996820233U.S.A.WyomingCarbonSouth-central Wyoming: Sierra Madre: top and northeast slopes of Battle Mountain, ca 19 air mi E of Baggs.22922698Large, moist drainage. Phenology: flowering & fruiting.RMRM799427 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7072Beth Ward1997725206U.S.A.WyomingSweetwaterSouth-Central Wyoming: slopes draining to Red Creek, ca 1/4 air mi N of Utah, ca 2.5 air mi WNW of Three Corners; ca 3.5 air mi SW of Pine Mountain; ca 39.5 air mi SSE of Rock Springs.-109.09241.006325732609Clearing in aspen grove. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5644Jean Wood199672184U.S.A.WashingtonFerryWestern Colville National Forest and Vicinity: Lake Ellen, ca 16 air mi WSW of Colville.-118.248648.5032670731Mountainside above east end of lake and campground; granite balds with fingers of mixed forest. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7694Jean Wood Linda Swartz1996817230U.S.A.WashingtonFerryWestern Colville National Forest and Vicinity: Hoodoo Canyon Trailhead on Deadman Creek.-118.274248.6643853Grazed forest clearing. Phenology: fruiting.RMRM1018037 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn19859B. E. Nelson1990818230U.S.A.WyomingTetonWyoming/Salt River Ranges: Wyoming Range: Willow Creek Drainage: Anns Peak and ridge leading NNW, ca 4.5-5.5 air mi SE of Hoback Junction, ca 16-17 air mi SSE of Jackson.-110.662843.27142042Moist area on ridge.RMRM1018036 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn20373B. E. Nelson1990827239U.S.A.WyomingTetonWyoming/Salt River Ranges: Wyoming Range: north end of Grayback Ridge from Palmer Creek to Pow Wow Point, ca 2-2.5 air mi S of Hoback Junction, ca 13.5 air mi S of Jackson.-110.702543.285223172500Sagebrush slope.RMRM1015223 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn22649B. E. Nelson Russ Nelson199278190U.S.A.WyomingSubletteWyoming/Salt River Ranges: Wyoming Range: along Cliff Creek E of Burnt Creek, ca 40 air mi NW of Pinedale.-110.509243.185820732378Sagebrush meadow. Phenology: flowering.RMRM1015222 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn22826B. E. Nelson Russ Nelson199278190U.S.A.WyomingSubletteWyoming/Salt River Ranges: Wyoming Range: at the fork of Clark Draw, ca 3 air mi S of Bondurant, ca 36 air mi NW of Pinedale.-110.431443.15832195Dry meadow. Phenology: flowering.RMRM1015221 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn23288B. E. Nelson Russ Nelson1992715197U.S.A.WyomingSubletteWyoming/Salt River Ranges: Wyoming Range: along Kilgore Creek ca 4 air mi E of Hoback Peak, ca 8.5 air mi SSW of Bondurant, ca 36 air mi NW of Pinedale.-110.481443.08942317Open sagebrush slope. Phenology: flowering.RMRM1015220 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn23495B. E. Nelson Russ Nelson1992718200U.S.A.WyomingLincolnWyoming/Salt River Ranges: Salt River Range: along Murphy Creek just above Murphy Lakes, ca 23.5 air mi NNE of Afton.-110.864443.06142012Open slopes above the creek with scattered aspen and conifers. Phenology: flowering.RMRM1015219 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn23639B. E. Nelson Russ Nelson1992720202U.S.A.WyomingLincolnWyoming/Salt River Ranges: Caribou Range: west side of Star Valley above the Salt River, ca 2.5-3 air mi SW of Thayne; ca 12.5-13 air mi NW of Afton.-111.022542.87362073Aspen-mixed conifer woods. Phenology: flowering.RMRM1015218 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn23891B. E. Nelson Russ Nelson1992810223U.S.A.WyomingLincolnWyoming/Salt River Ranges: Salt River Range: upper end of Squaw Creek drainage, ca 7 air mi SE of Alpine; ca 26.5 air mi N of Afton.-110.903643.10524392591Stony ridge of limestone cobbles with scattered Douglas fir. Phenology: flowering & fruiting.RMRM1015217 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn24111B. E. Nelson Russ Nelson1992812225U.S.A.WyomingLincolnWyoming/Salt River Ranges: Wyoming Range: along Hot Foot Creek between Greys River and Middle Ridge, ca 11 air mi SE of Alpine; ca 25.5 air mi NNE of Afton.-110.82543.093320122073Southerly-facing slopes with scattered sagebrush and small aspen stands. Phenology: fruiting.RMRM1015216 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn24138B. E. Nelson Russ Nelson1992812225U.S.A.WyomingLincolnWyoming/Salt River Ranges: Wyoming Range: Middle Ridge E of Greys River, ca 11.5-12 air mi SE of Alpine, ca 26 air mi NNE of Afton.-110.805343.091124392560Sagebrush-snowberry patches with scattered islands of subalpine fir. Phenology: fruiting.RMRM1015215 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn24273B. E. Nelson Russ Nelson1992814227U.S.A.WyomingSubletteWyoming/Salt River Ranges: Wyoming Range: north slope of South Rim above Muddy Creek and Coyote Gulch, ca 9-9.5 air mi SSE of Bondurant; ca 29 air mi NW of Pinedale.-110.343143.07523172408Open aspen stand. Phenology: fruiting.RMRM1015214 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn24442B. E. Nelson Russ Nelson1992817230U.S.A.WyomingLincolnWyoming/Salt River Ranges: Wyoming Range: Porcupine Creek on the slopes of Middle Ridge, ca 1-1.5 air mi E of Greys River; ca 22.5 air mi NNE of Afton.-110.783343.032221642225Dry open areas. Phenology: flowering & fruiting.RMRM1015213 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn24476B. E. Nelson Russ Nelson1992817230U.S.A.WyomingLincolnWyoming/Salt River Ranges: Wyoming Range: along Greys River Road near Pearson Creek, ca 19 air mi NE of Afton.-110.651442.95751981Roadside bank. Phenology: fruiting.RMRM1015212 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn24538B. E. Nelson Russ Nelson1992818231U.S.A.WyomingLincolnWyoming/Salt River Ranges: Wyoming Range: south end of Middle Ridge between upper Moose Creek and Greys River, ca 20.5 air mi NNE of Afton.-110.743943.003123472621Slopes with scattered aspen, Douglas fir, sagebrush, and snowberry thickets. Phenology: fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2361Heather Bradtke2001714195U.S.A.WashingtonColumbiaUmatilla National Forest and Vicinity: 2 mi W of the Tucannon River, where Forest roads 46 and 4610 join.-117.75861146.17194415121585Biscuit in scabland with Senecio, Juncus, Lomatium, and Delphinium; soil fine, deep, pale; slope 5-15; aspect east and west. Phenology: flowering.RMRM1018035 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn27738Ronald L. Hartman1990818230U.S.A.WyomingTetonWyoming/Salt River Ranges: Wyoming Range: Buck Creek to Beaver Mountain.-110.603143.271120732439Grassy slopes and coniferous forest.RMRM1015211 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn34430Ronald L. Hartman1992722204U.S.A.WyomingLincolnWyoming/Salt River Ranges: Wyoming Range: Deadman Mountain trail, 1-2 miles from trailhead; 2.5-3.5 air mi N of Deadman Mountain summit.-110.67243.047821952469Subalpine fir forests with moist ravines. Phenology: flowering.RMRM1015210 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn34843Ronald L. Hartman1992726208U.S.A.WyomingLincolnWyoming/Salt River Ranges: Salt River Range: Trail Creek to Elk Mountain, 0-1 mi N of trail head; 8 air mi E of Alpine.-110.861443.167818842134Calcareous substrate with open herb communities. Phenology: flowering.RMRM1015209 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn34995Ronald L. Hartman1992728210U.S.A.WyomingLincoln[location and coordinates withheld]1719Bench exposed due to draw-down of Palisades Reservoir and adjacent non affected area. Phenology: flowering & fruiting.RMRM1015208 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn35207Ronald L. Hartman1992728210U.S.A.WyomingSubletteWyoming/Salt River Ranges: Wyoming Range: between Chall Creek and the South Fork Middle Beaver Creek, S of South Rim; ca 20 air mi NW of Daniel Junction.-110.418643.033124692500Drainage, meadow, and adjacent lodgepole pine forest. Phenology: flowering.RMRM1015207 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn36095Ronald L. Hartman1992818231U.S.A.WyomingLincolnWyoming/Salt River Ranges: Wyoming Range: North Fork Sheep Creek from Sheep Creek to 1.5 mi upstream; ca 3 air mi W to WNW of McDougal Gap.-110.632842.856422192286Sagebrush grassland, stream with willow thickets, and gravelly slopes (limestone); sagebrush grassland. Phenology: fruiting.RMRM1018039 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6400Walter Fertig1990821233U.S.A.WyomingTetonGros Ventre Range: ridge leading to Arbor benchmark from Camp Creek, N of the Hoback River; ca 11-12 air mi SSE of Jackson. AlsoS29 and 30.-110.68543.327220122286Sagebrush-rabbitbrush ridgline.RMRM1018038 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6539Walter Fertig B. E. Nelson1990821233U.S.A.WyomingTetonWyoming/Salt River Ranges: Wyoming Range: Palmer Creek, ca 13 air mi S of Jackson.-110.724743.301118902317Moist, shady creek banks; dry sagebrush-rabbitbrush clearing; Douglas fir/aspen semi-open woods; moist meadow adjacent to the creek and trail: dry sagebrush-rabbitbrush clearing.RMRM1015162 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn44619Ronald L. Hartman1993820232U.S.A.WyomingLincolnWyoming/Salt River Ranges: Salt River Range: Commissary Ridge, southwest flank: Pole Creek, southern border of Bridger-Teton National Forest NNE 0.3 air mi.-110.686742.15252365Willow thickets and stream banks. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3516Heather Bradtke200181213U.S.A.OregonUnionUmatilla National Forest and Vicinity: Forest Road 31 where Forest Road 3120 splits off, ca 11 mi N of La Grande.-118.10666745.50055614631700Partial shade of Douglas fir, grand fir overstory; soil moist, fine, deep, brown. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3592Heather Bradtke200181213U.S.A.OregonUmatillaUmatilla National Forest and Vicinity: Forest Road 21 near Bear Camp Springs, ca 10 air mi NNW of La Grande.-118.18080645.51261114781579Rock outcrop; soil shallow, moist; slope 0-20; aspect westerly. Phenology: flowering.RMRM535296 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn12330B. E. Nelson1985712193U.S.A.WyomingParkNorthern Absarokas: ca 1.5 air mi NW of Sugarloaf Mountain above Clarks Fork Canyon on Wyo Hwy 296, ca 30.5 air mi NW of Cody.-109.491444.833332073Edge of aspen grove. Phenology: buds.RMRM535295 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn12635B. E. Nelson Ronald L. Hartman1985720201U.S.A.WyomingParkNorthern Absarokas: on ridge ca 3 air mi NW of Hunter Peak, ca 41 air mi NW of Cody.-109.718344.89282530Meadows in mixed conifer forest. Phenology: flowering.RMRM535294 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn12868B. E. Nelson1985727208U.S.A.WyomingParkNorthern Absarokas: along Pilot Creek, ca 2 air mi S of Pilot Peak, ca 50 air mi NW of Cody.-109.860244.951423172439Open Douglas fir forest. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3748Heather Bradtke200181213U.S.A.OregonUmatillaUmatilla National Forest and Vicinity: Skyline Road (Forest Road 31) near Forest Road 155, ca 14 mi N of La Grande.-118.12638945.54305617071750Scab; soil poorly drained, ruddy pebbles; slope 0-10; aspect mountain top and easterly. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn14240B. E. Nelson1987730211U.S.A.WyomingTetonSouthwestern Absarokas: W end of Angle Mountain above Togwotee Overlook, ca 8 air mi NW of Togwotee Pass, ca 37 air mi NE of Jackson.-110.2058343.821112743At edge of willows above moist area.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn14596B. E. Nelson Neil Snow198787219U.S.A.WyomingTetonSouthwestern Absarokas: on the Snake River side of the Snake river-Mink Creek Divide, ca 1.8 air mi S of Yellowstone National Park, ca 50 air mi NNE of Jackson.-110.265844.11282682Regenerating open old burn.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn14693B. E. Nelson Neil Snow198787219U.S.A.WyomingTetonSouthwestern Absarokas: Fox Park along the Snake River, ca 1 air mi S of Yellowstone National Park, ca 50 air mi NNE of Jackson.-110.2855644.11252500Moist slopes at edge of meadow.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3884Heather Bradtke200183215U.S.A.WashingtonColumbiaUmatilla National Forest and Vicinity: Grizzly Bear Ridge, between Twin Buttes trailhead and Oregon-Washington state line.-117.75841746.0132514021676Partially shaded area surrounded by open slope; soil fine, deep; slope 5; aspect ridgetop and southwest. Phenology: flowering.RMRM915335 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn18350B. E. Nelson1989822234U.S.A.WyomingCarbonMedicine Bow Mountains: Sawmill Park near head of Wagonhound Creek, ca 7 air mi SW of Arlington, ca 25.5 air mi ENE of Saratoga.-106.315641.53252698Meadow. Phenology: flowering & fruiting.RMRM583635 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn19448B. E. Nelson1990712193U.S.A.WyomingTetonWest Slope Wind River Range: Fish Creek/Moccasin Basin area, along Red Creek, ca 8 air mi SW of Togwotee Pass, ca 33 air mi ENE of Jackson.-110.161743.6624392621Sagebrush-grassland slopes. Phenology: flowering.RMRM583634 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn20177B. E. Nelson1990823235U.S.A.WyomingTetonWest Slope Wind River Range: Fish Creek/Moccasin Basin area, along South Fork Fish Creek between Buck and Devils Basin Creeks, ca 34 air mi ENE of Jackson.-110.076443.52972439Sagebrush-grassland. Phenology: flowering & fruiting.RMRM583633 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn20235B. E. Nelson1990825237U.S.A.WyomingTetonWest Slope Wind River Range: Fish Creek/Moccasin Basin area, along Purdy Creek to Purdy Basin NE of South Fork Fish Creek, ca 33 air mi ENE of Jackson.-110.120843.587524392500Moist slopes. Phenology: flowering & fruiting.RMRM583632 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn20279B. E. Nelson1990825237U.S.A.WyomingTetonWest Slope Wind River Range: Fish Creek/Moccasin Basin area, Upper Hackamore Creek ca 1 air mi E of Buckskin Point, ca 1-1.5 air mi E of South Fork Fish Creek, ca 33.5 air mi ENE of Jacksom.-110.100843.573124692560Sagebrush grassland. Phenology: flowering & fruiting.RMRM347415 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4241B. E. Nelson197981213U.S.A.WyomingFremontBig Horn Mountains: ca 10 air mi NE of Lost Cabin on Big Horn Trail, ca 32.5 air mi ENE of Shoshoni.-107.523643.40611920Moist meadow near small stream. Phenology: flowering & fruiting.RMRM347418 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4289B. E. Nelson197981213U.S.A.WyomingWashakieBig Horn Mountains: ca 7.5-8 air mi ESE of Big Trails, ca 24.5-25 air mi SE of Ten Sleep, on Big Trails Stock Drive Road.-107.162243.73812195Rocky sagebrush slope. Phenology: flowering.RMRM347416 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4359B. E. Nelson197983215U.S.A.WyomingSheridanBig Horn Mountains: ca 5 air mi SE of Burgess Junction, ca 24 air mi WNW of Big Horn on Woodrock Road.-107.467844.71332560Grassy sagebrush slopes. Phenology: flowering.RMRM347417 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4579B. E. Nelson197985217U.S.A.WyomingBig HornBig Horn Mountains: along Trout Creek in Cookstove Basin, ca 24.5 air mi NE of Lovell, ca 25 air mi NW of Burgess Junction.-107.933944.97942195Grassy sagebrush slopes. Phenology: flowering.RMRM347420 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4913B. E. Nelson197989221U.S.A.WyomingBig HornBig Horn Mountains: S of Paint Rock Lakes, ca 34 air mi ESE of Greybull, ca 12.5 air mi NE of Hyattville.-107.393144.34892713Grassy slopes. Phenology: flowering & fruiting.RMRM347408 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6476B. E. Nelson Denise Gion1980715197U.S.A.WyomingJohnsonBig Horn Mountains: WNW of Grouse Mountain above Mosier Gulch off U.S. Hwy 16, ca 8.5 air mi W of Buffalo.-106.871744.31692103Bottom of a draw. Phenology: buds.RMRM347409 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6524B. E. Nelson1980717199U.S.A.WyomingBig HornBig Horn Mountains: Salt Creek just off U.S. Hwy 14, ca 13 air mi ENE of Shell; ca 27.5 air mi ENE of Greybull.-107.5413944.58582408Grassy aspen slope. Phenology: flowering.RMRM347410 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7064B. E. Nelson Gael Fonken1980814227U.S.A.WyomingWashakieBig Horn Mountains: along Leigh Creek on an old section of U.S. 16, ca 4.5 air mi W of Powder River Pass; ca 17.5 air mi NE of Ten Sleep.-107.1588944.15942789Stony, grassy slope. Phenology: flowering.RMRM347411 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7288B. E. Nelson Gael Fonken1980817230U.S.A.WyomingWashakieBig Horn Mountains: along Canyon Creek, ca 6.7 air mi W of Hazelton Pyramid; ca 15 air mi ENE of Ten Sleep.-107.1588944.09972439Meadows and willow flats. Phenology: flowering & fruiting.RMRM347412 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8145B. E. Nelson1981715196U.S.A.WyomingWashakieBig Horn Mountains: along the Middle Fork Powder River, ca 17 air mi SE of Big Trails, ca 28 air mi SE of Tensleep.-107.142543.58032225Brushy aspen slopes at the base of sandstone cliffs. Phenology: flowering.RMRM999944 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8398B. E. Nelson1981719200U.S.A.WyomingHot SpringsBighorn Basin: along South Fork Owl Creek above Anchor Reservoir, ca 32 air mi W of Thermopolis.-108.842243.66961981Bottom of a draw in Chugwater formation. Phenology: fruiting.RMRM296174 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn881B. E. Nelson197388220U.S.A.WyomingCarbonMedicine Bow Mountains: on North Brush Creek Road, 0.2 mi from Wyo Hwy 130.-106.523741.3482378Common in loamy clay at the edge of the road and in open lodgepole pine forest with Achillea, grass, and sedge. Phenology: flowering.RMRM347413 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn509Gael Fonken B. E. Nelson1980812225U.S.A.WyomingJohnsonBig Horn Mountains: along North Clear Creek, just W of Hunter Ranger Station, ca 11 air mi WSW of Buffalo.-106.951944.31692240Creekside. Phenology: flowering.RMRM347414 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn584Gael Fonken B. E. Nelson1980816229U.S.A.WyomingJohnsonBig Horn Mountains: Soldier Park along North Clear Creek, 15.5 air mi W of Buffalo.-107.011744.34562621Riparian meadow. Phenology: flowering.RMRM612661 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3428J. S. Tuhy198783215U.S.A.WyomingTetonSouthwestern Absaroka: Soda Fork drainage; ca 18 mi ENE of Moran Junction.-110.162943.90972271Mesic but non-riparian, forb-graminoid meadow toward edge of wide valley bottom, with Bromus carinatus and Campanula rotundifolia. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5228June Haines Georgia Haines198584216U.S.A.WyomingFremontGreen Mountain Park, West Fork Middle Cottonwood Creek, ca 9.5 air mi SSE of Jeffrey City.-107.727442.38323782500Creek bank and moist slopes.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5617June Haines1985820232U.S.A.WyomingFremontGranite Mountain Uplift: Green Mountains: Cottonwood Campground along branch of East Cottonwood Creek.-107.687542.38392210Water edge at creek.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5812June Haines Georgia Haines1985825237U.S.A.WyomingCarbonNorthern edge of the Ferris Mountains, ca 8 air mi SE of Muddy Gap Junction (Three Forks).-107.318542.296322862515Creek bank.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn10077Heather Bradtke2002727208U.S.A.WashingtonGarfieldUmatilla National Forest and Vicinity: Wenaha-Tucannon Wilderness: Mud Spring along Smooth Ridge Trail , ca 35 mi E and 4 mi S of Walla Walla.-117.60166746.0011111097Ponderosa pine forest below the spring. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn10768Heather Bradtke2002812224U.S.A.OregonGrantUmatilla National Forest and Vicinity: North Fork John Day Wilderness: vicinity of North Fork Ruby Creek off Forest Road 10, ca 2 mi S and 4 mi W of Granite.-118.52611144.78722217681829In mixed conifer woods; slope 0; aspect west and ridgetop. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn10802Heather Bradtke2002814226U.S.A.OregonGrantUmatilla National Forest and Vicinity: northwest end of Sharp Ridge on Forest Road 3988, ca 19 mi S and 6 mi E of Ukiah.-118.83166744.85861116461707Ponderosa pine and Douglas fir, grazed, on mud brown compacted soil; slope 0-5; aspect ridgetop. Phenology: flowering.RMRM328931 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4562Keith H. Dueholm1978722203U.S.A.WyomingCampbell[location and coordinates withheld]1432Ponderosa pine covered buttes, steep shale and talus slopes, sagebrush plains at summit, ravines; moist ravine. Phenology: buds.RMRM328928 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5039Keith H. Dueholm1978727208U.S.A.WyomingCampbell[location and coordinates withheld]1552Caprock topped mesa, sagebrush/grassland on lower slopes, limber pine scattered, rocky slopes, loose sandy slopes, plains at summit, with occasional wet depressions; slopes, in drainageway. Phenology: flowering.RMRM328929 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5571Keith H. Dueholm197887219U.S.A.WyomingJohnson[location and coordinates withheld]1554Shale ridge-outcrops, covered with ponderosa pine, sagebrush grasslands, eroded slopes, wet depressions and small holding pond, draws; pine slopes, ravines. Phenology: flowering.RMRM328932 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6195Keith H. Dueholm1978826238U.S.A.WyomingCampbellPowder River Basin: South Middle Pumpkin Butte.-105.876143.729417071829Limber pine slopes, rocky slopes, small pools of water on upper east slopes, plains and outcrops on summit; upper east slope. Phenology: flowering & fruiting.RMRM332774 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8398Keith H. Dueholm1979721202U.S.A.WyomingJohnson[location and coordinates withheld]1402Rolling, hilly plains over scoria base, occasional outcrops, rocky pine slopes; plains. Phenology: flowering.RMRM332751 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8668Keith H. Dueholm197983215U.S.A.WyomingJohnsonPowder River Basin: ca 3 air mi E of Lake De Smet.-106.6933344.49081463High, rocky ridge, gravelly crest with clinker, sagebrush plain at base; slopes, near crest. Phenology: flowering.RMRM332776 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8771Keith H. Dueholm197988220U.S.A.WyomingNatronaPowder River Basin: ca 11 air mi W of Midwest.-106.493343.40441615Sandstone ridge, with stony sagebrush plains, ravines, outcrops, with limber pine; ravine. Phenology: fruiting.RMRM334241 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9013Keith H. Dueholm1979811223U.S.A.WyomingSheridanPowder River Basin: ca 10 air mi W of Parkman.-107.5316744.97581585Crataegus thickets on slopes above small creek, margins of creek; hills. Phenology: flowering & fruiting.RMRM347419 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9073Keith H. Dueholm1979814226U.S.A.WyomingJohnsonBig Horn Mountains: Hunter Mesa, ca 1 air mi NW of Hunter Ranger Station.-106.951944.33172439Meadows on ridge, lodgepole pine forest on north face, granite outcrops, Forest Service roads; ridge. Phenology: flowering & fruiting.RMRM346822 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn10467Ronald L. Hartman197981213U.S.A.WyomingNatronaBig Horn Mountains: Middle Fork Buffalo Creek, ca 18.5 air mi N of Arminto.-107.229443.43642469Spruce forest with stream beneath. Phenology: flowering.RMRM332775 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn10600Ronald L. Hartman197983215U.S.A.WyomingSheridanBig Horn Mountains: ca 3 air mi SSW of Dayton.-107.292844.82891341Ridge with sandy lower slopes and stream bottom, Gypsum springs and Chugwater formations. Phenology: flowering.RMRM346825 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn10673Ronald L. Hartman197984216U.S.A.WyomingSheridanBig Horn Mountains: Red Grade Road, ca 5.2 air mi SW of Big Horn.-107.084444.624441981Slopes and ridge; Chugwater red beds and limestone (gypseous?) outcrops. Phenology: flowering.RMRM346823 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn10745Ronald L. Hartman197984216U.S.A.WyomingSheridanBig Horn Mountains: Red Grade Road: ca 7 air mi SW of Big Horn.-107.104744.624442164Limestone outcrop in meadow and adjacent forest. Phenology: flowering.RMRM332750 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn10822Ronald L. Hartman197986218U.S.A.WyomingSheridanCa 4.5 air mi W of Dayton.-107.347844.87251402Sandy soil with scattered Pinus ponderosa. Phenology: flowering.RMRM530959 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn13431Ronald L. Hartman198171182U.S.A.WyomingParkWest ridge leading to summit of Heart Mountain.-109.167844.672818902134Open slopes and ridges and badlands; sandstone and shales. Phenology: buds.RMRM555301 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn19591Ronald L. Hartman1984827240U.S.A.WyomingParkSoutheastern Absarokas: South Fork Shoshone River trail, between Robinson Creek and Younts Creek.-109.7213943.967222562317Stream sides, coniferous forests, and meadows; wet meadow and forest edge. Phenology: flowering & fruiting.RMRM535293 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn20856Ronald L. Hartman1985717198U.S.A.WyomingParkNorthern Absarokas: Bald Ridge, 11 air mi E of Sunlight Ranger Station.-109.3308344.774222862347Grassy ridge with scattered limber pine on lower slopes; limestone and sandstone parent rock. Phenology: buds.RMRM535292 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn22044Ronald L. Hartman1985819231U.S.A.WyomingParkNorthern Absarokas: Paint Creek, 10-11 air mi E of Sunlight Ranger Station.-109.330844.716720732256Wooded slopes and stream bottom. Phenology: flowering & fruiting.RMRM583637 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn26755Ronald L. Hartman199079190U.S.A.WyomingSubletteWest Slope Wind River Range: between Willow Lake and Fremont Lake near Trapper Lake Trailhead.-109.8543.004424692500Sagebrush grassland and aspen woodland with series of filled and dried-up ponds. Phenology: buds.RMRM583636 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn28057Ronald L. Hartman1990823235U.S.A.WyomingTetonWest Slope Wind River Range: Cottonwood Creek from outfitter's camp to Sohare Creek.-110.220343.602223782408Meadows and scattered lodgepole pine and Engelmann spruce. Phenology: fruiting.RMRM581963 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn31341Ronald L. Hartman Jonathan Hughes1991821233U.S.A.WyomingFremontWest Slope Wind River Range: ca 4 air mi NW of Wyo Hwy 28 on road SW and paralleling Sweetwater River canyon.-108.974442.412522862378Granitic/metamorphic canyon slopes and canyon bottom; canyon bottom. Phenology: fruiting.RMRM581962 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn31408Ronald L. Hartman Jonathan Hughes1991821233U.S.A.WyomingFremontWest Slope Wind River Range: campground at junction of Sweetwater River and Clear Creek.-109.056442.513323782439Streamsides and slopes; streamsides. Phenology: flowering & fruiting.RMRM581961 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn31567Ronald L. Hartman Jonathan Hughes1991822234U.S.A.WyomingSubletteWest Slope Wind River Range: Lime Creek, across Green River from Kendall Warm Springs, ca 11 air mi W of Green River Lakes.-110.052543.283123782682Limestone outcrops with stream on rolling sagebrush slopes. Phenology: flowering & fruiting.RMRM581960 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn31656Ronald L. Hartman Jonathan Hughes1991823235U.S.A.WyomingSubletteWest Slope Wind River Range: Meadow Lake to 2 mi NE on trail to Belford Lake.-109.671142.91724082743Mostly open sagebrush slopes, streamsides, and scattered wooded areas. Phenology: flowering & fruiting.RMRM581959 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn31802Ronald L. Hartman Jonathan Hughes1991825237U.S.A.WyomingSubletteWest Slope Wind River Range: Rock Creek, 3-5 mi W of Kendall Guard Station.-110.091943.241124392560Streamside with lodgepole pine, Engelmann spruce, and willows; lower slopes with sandstone, shale, and limestone outcrops. Phenology: fruiting.RMRM328930 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7875Ronald L. Hartman Mary Alice Sanguinetti1978711192U.S.A.WyomingCampbellPowder River Basin: Pumpkin Buttes: South Middle Butte.-105.876143.72941768Upper slopes on north side. Phenology: buds.RMRM581965 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn10672Walter Fertig199184216U.S.A.WyomingSubletteWest Slope Wind River Range: south and east shore of Little Half Moon Lake, 8 air mi ENE of Pinedale.-109.710842.90192317Dry, north-facing sagebrush-grassland ridge. Phenology: flowering.RMRM582022 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn11062Walter Fertig199189221U.S.A.WyomingSubletteWest Slope Wind River Range: adjacent to trail between Larsen Creek and Bridger Wilderness boundary on route to Sweetwater Gap, ca 44 air mi SE of Pinedale. Also sec 12.-109.0842.626822743Moist Calamagrostis meadow bordering Larsen Creek. Phenology: flowering.RMRM581964 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn12138Walter Fertig1991824236U.S.A.WyomingSubletteWest Slope Wind River Range: Green River Valley, ca 0.5 mi NE of Squaretop Mountain, ca 24 air mi N of Pinedale.-109.779443.23032500Shady, moist, rocky lodgepole pine/Vaccinium scoparium forest adjacent to Highline Trail on east bank of river. Phenology: flowering & fruiting.RMRM583647 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3587Walter Fertig1990712193U.S.A.WyomingTetonWest Slope Wind River Range: W of Bull Creek, ca 31 air mi NNE of Jackson.-110.160543.616725002560Moderately dry slope in a sagebrush meadow. Phenology: flowering.RMRM583646 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4803Walter Fertig1990728209U.S.A.WyomingSubletteWest Slope Wind River Range: Lime Creek, ca 30 air mi NNW of Pinedale.-110.013143.282823752585Sagebrush clearing adjacent to creek. Phenology: flowering.RMRM583645 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5174Walter Fertig199082214U.S.A.WyomingSubletteWest Slope Wind River Range: north shore of New Fork Lakes, ca 17 air mi N of Pinedale.-109.947843.10312384Open canopy weedy-sagebrush community adjacent to Narrows Campground Road. Phenology: flowering.RMRM583644 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5238Walter Fertig199083215U.S.A.WyomingSubletteWest Slope Wind River Range: Kelly Park area, adjacent to Skyline Drive, ca 1.5 mi E of Fremont Lake, ca 7.5 air mi NE of Pinedale.-109.770342.946124392500Dry stream bed and willow grove. Phenology: flowering & fruiting.RMRM583643 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5806Walter Fertig199089221U.S.A.WyomingSubletteWest Slope Wind River Range: Along Gypsum Creek Road, ca 28 air mi N of Pinedale.-109.95543.25672560Weedy roadside. Phenology: flowering.RMRM583642 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5980Walter Fertig1990811223U.S.A.WyomingSubletteWest Slope Wind River Range: Big Bend of Green River, ca 35 air mi N of Pinedale.-109.994243.37062378Silver sagebrush-rabbitbrush bluff above river. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8208Heather Bradtke2002713194U.S.A.OregonMorrowUmatilla National Forest and Vicinity: Thompson Flat and Forest Road 5316, ca 3 mi N and 13 mi W of Dale.-119.21388945.03251341Ponderosa pine forest and adjacent sagebrush steppe in shallow soil; slope 0; aspect none. Phenology: flowering.RMRM583641 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6363Walter Fertig1990817229U.S.A.WyomingSubletteWest Slope Wind River Range: Roaring Fork Basin, ca 34 air mi N of Pinedale.-109.818943.35832743Wet meadow adjacent to Roaring Fork Creek and small ponds. Phenology: flowering.RMRM583640 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6563Walter Fertig1990823235U.S.A.WyomingTetonWest Slope Wind River Range: Little Devils Creek Basin, ca 36 air mi E of Jackson.-110.056643.5325362560South-facing dry sagebrush slope. Phenology: fruiting.RMRM583639 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6692Walter Fertig1990823235U.S.A.WyomingTetonWest Slope Wind River Range: Devils Creek Basin, ca 36 air mi E of Jackson.-110.060843.573625732804Sagebrush-aspen meadow. Phenology: flowering & fruiting.RMRM583638 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6931Walter Fertig1990826238U.S.A.WyomingSubletteWest Slope Wind River Range: New Fork Park, ca 20 air mi N of Pinedale.-109.840843.15892439Open grassy meadow. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9597Walter Fertig1991717198U.S.A.WyomingSubletteWest Slope Wind River Range: Boulder Creek Canyon, due E of Boulder Lake, ca 14 air mi E of Pinedale.-109.573342.858322562317Dry sagebrush grassland in small clearing in canyon.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8613Heather Bradtke2002715196U.S.A.OregonUmatillaUmatilla National Forest and Vicinity: Forest Roads 3128 and 190 on Bobsled and Plenty Bear ridges, ca 11 mi S and 7 mi E of Weston.-118.27055645.65055613411402Open talus slope: in platey, copper soil; slope 5-10; aspect ridgetop and west. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9158Heather Bradtke2002722203U.S.A.WashingtonGarfieldUmatilla National Forest and Vicinity: Abels Ridge, ca 2 mi S and 19 mi E of Dayton.-117.59527846.28416713711432Ridgetop with deep brown powdery soils; grass dominant. Phenology: flowering.RMRM704304 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn32757B. E. Nelson1994713194U.S.A.WyomingConverseSouthern Powder River Basin/Southeastern Plains: Southern Powder River Basin: Pine Ridge between the head of Cottonwood Creek and Gillam Draw, ca 61 air mi NW of Douglas, ca 10.5 air mi SW of Ross.-106.065543.364518351859Slopes and draws in sagebrush-grassland or badland slopes with scattered ponderosa pine. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9337Heather Bradtke2002724205U.S.A.WashingtonColumbiaUmatilla National Forest and Vicinity: Wenaha-Tucannon Wilderness: Horse Ridge on Mt. Misery Trail, ca 1 mi N and 23 mi W of Anatone.-117.63138946.15944417371798Meadow. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9360Heather Bradtke2002725206U.S.A.WashingtonAsotinUmatilla National Forest and Vicinity: Round Prairie on Smoothing Iron Ridge, ca 3 mi N and 12 W of Anatone.-117.41055646.17666714631524Prairie, sagebrush and grass dominant in brown, powdery to rocky soil. Phenology: flowering.RMRM601085 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6453Grassy slope with Galium and Lupinus. Phenology: flowering.RMRM600385 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6567Robert D. Dorn1995829241U.S.A.WyomingPlatte23 mi NW of Wheatland.-105.234542.32711768Grassy slope with Pinus and Mahonia. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9523Heather Bradtke2002727208U.S.A.WashingtonGarfieldUmatilla National Forest and Vicinity: Hard-to-get-to Ridge at end of Forest Road 4027; ca 4 mi N and 17 mi W of Anatone.-117.48055646.19083315851615Along the road; slope 5-15, aspect northwest. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9652Heather Bradtke2002725206U.S.A.WashingtonColumbiaUmatilla National Forest and Vicinity: Colony Creek, ca 6 mi S and 17 mi E of Dayton.-117.63722246.23194414931524Ponderosa pine woods above creek. Phenology: flowering.RMRM624526 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn48209Ronald L. Hartman1994726207U.S.A.WyomingTetonGros Ventre Area: Granite Creek Hot Springs, N along trail and creek ca 1 air mi.-110.449843.37121342195Coniferous forests, meadows, and streamside. Phenology: flowering.RMRM633339 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn48500Ronald L. Hartman1994729210U.S.A.WyomingFremontGreen River Basin: Sweetwater Guard Station (foundation remaining) and Campground.-109.060642.557225002530Meadow, streamside, and edge of lodgepole pine forest. Phenology: flowering & fruiting.RMRM624527 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn48995Ronald L. Hartman1994731212U.S.A.WyomingTetonGros Ventre Area: ridge just N of Lower Horse Creek; ca 1.5 air mi NNE of Hoback Junction.-110.704443.342419201981Roadside, meadow, and cliffs. Phenology: flowering & fruiting.RMRM624528 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn49812Ronald L. Hartman1994820232U.S.A.WyomingSubletteGros Ventre Area: trail to Cream Puff Peak; ca 0.5-2 air mi from trail head, between Bear and Bull Creeks.-110.567343.313819512500Coniferous forests, open slopes, and meadows. Phenology: fruiting.RMRM633334 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1492Thomas Cramer Jane T. Kellett1994630181U.S.A.WyomingSubletteGreen River Basin: hill across Watson Draw from Signal Hill, ca 13 air mi NE of Merna.-110.204743.117824082518Hill of aspen groves, Douglas fir stands, meadows, and willow creekside. Phenology: flowering.RMRM607834 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2131Thomas Cramer1994720201U.S.A.WyomingLincolnSouthern Salt River Range and Vicinity: vicinity of Coal Creek, ca 14 air mi N of Border Junction.-110.890342.426921952439Northeast-facing hillside of meadows and Douglas fir forest. Phenology: flowering.RMRM633338 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2336Thomas Cramer1994724205U.S.A.WyomingSubletteGreen River Basin: Scab Creek and lower Toboggan Lakes, ca 11 air mi NE of Boulder.-109.533942.829425002841Streamside and lakes, Douglas fir and lodgepole pine forests, and open slopes. Phenology: flowering.RMRM633337 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2480Thomas Cramer1994725206U.S.A.WyomingSubletteGreen River Basin: North Piney Creek and Park Creek, ca 19 air mi WNW of Big Piney.-110.465642.644224082667Streamside meadows and patches of aspen, Douglas fir, spruce, and willows, and open south-facing hillside. Phenology: flowering.RMRM633336 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2975Thomas Cramer199486218U.S.A.WyomingSubletteGreen River Basin: Dutch Joe Creek just S of Bridger-Teton National Forest, ca 2.5 air mi NNE of Leckie.-109.254742.598625302560Creekside meadows and lodgepole pine. Phenology: flowering.RMRM633335 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3065Thomas Cramer199486218U.S.A.WyomingSubletteGreen River Basin: Blucher Creek just S of Bridger-Teton National Forest, ca 12 air mi E of Buckskin Crossing.-109.138642.556425302621Creekside meadows, sagebrush, and lodgepole pine stands. Phenology: flowering & fruiting.RMRM637983 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9409aThomas Cramer Jane T. Kellett1995725206U.S.A.WyomingSubletteGreen River Basin: Irish Canyon at Bridger-Teton National Forest border, ca 5.5 air mi ENE of Big Sandy.-109.372742.673325602652Hillside aspen stand. Phenology: flowering.RMRM79330 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9472Aven Nelson1910621172U.S.A.WyomingWestonBlack Hills; "Stockade Beaver Creek".-104.109244.161917071890Open aspen woods. *Tsan-Iang Chuang and Lincoln Constance, 1965-1968. Phenology: flowering & fruiting.RMUSFS406766 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn725Charles P. Pase1956725207U.S.A.WyomingCrookBlack Hills: "D" Ranch.-104.062244.253318292% north slope; silty clay; meadow community with Poa pratensis and Phleum pratense; common. Phenology: flowering & fruiting.RMRM371700 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1404Hollis Marriott B. E. Nelson1982714195U.S.A.WyomingCrookBlack Hills: Cement Ridge, southeast end, ca 7.5 air mi NE of Moskee; ca 15 air mi ESE of Sundance.-104.061744.351981Hazelnut thickets in birch woods. Phenology: buds.RMRM371692 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1733Hollis Marriott Dennis Horning198282214U.S.A.WyomingWeston[location and coordinates withheld]1890North-facing slope; pine-aspen-spruce forest. Phenology: flowering.RMRM371709 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1950Hollis Marriott198285217U.S.A.WyomingCrookBlack Hills: Bear Lodge Mountains: Warren Peaks near old radar station; ca 6 air mi NNW of Sundance.-104.4494444.478892012Open slope with a few pines, rocky soil. Phenology: flowering.RMRM371693 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4007Hollis Marriott198375186U.S.A.WyomingCrook[location and coordinates withheld]1158Oak woods at base of north-facing slope. Phenology: buds.RMRM371694 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4285Hollis Marriott1983711192U.S.A.WyomingCrookBlack Hills: Bear Lodge Mountains: Cow Creek above Hemler Reservoir, ca 8.5 air mi N of Sundance.-104.369744.52331585Wet meadows and beaver ponds in pine-birch forest. Phenology: buds.RMRM371695 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4709Hollis Marriott1983718199U.S.A.WyomingWestonBlack Hills: upper Soldier Creek drainage, ca 5.2 air mi NE of Four Corners.-104.0627844.12671951Pine forest. Phenology: buds.RMRM371696 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4792Hollis Marriott1983721202U.S.A.WyomingCrook[location and coordinates withheld]1310Deciduous thickets in north-trending draw. Phenology: flowering.RMRM371697 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4991Hollis Marriott1983726207U.S.A.WyomingCrookBlack Hills: Bear Lodge Mountains: between Whitelaw Creek and Ladogar Flats, ca 8 air mi NNW of Sundance.-104.449444.50831829Pine forest with dried-up seeps. Phenology: buds.RMRM371698 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5335Hollis Marriott198382214U.S.A.WyomingCrookBlack Hills, Goldie Divide near junction of Goldie and New Haven roads, ca 5 air mi NW of Hulett.-104.690344.72251371Grassland Phenology: flowering.RMRM371699 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5504Hollis Marriott198384216U.S.A.WyomingCrookBlack Hills, Coal Divide just N of I-90 (near parking area), ca 9 air mi SW of Sundance.-104.512344.32091463Ponderosa pine-bur oak forest. Phenology: flowering.RMRM371701 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7785Hollis Marriott198479191U.S.A.WyomingCrook[location and coordinates withheld]1432Oak woods on lower north slope. Phenology: buds.RMRM371702 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8313Hollis Marriott1984730212U.S.A.WyomingWeston[location and coordinates withheld]1493Ponderosa pine forest. Phenology: flowering.RMRM371703 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8690Hollis Marriott198485218U.S.A.WyomingCrookBlack Hills: Grand Canyon near state line, ca 23 air mi SE of Sundance.-104.081144.21781859Meadow (grazed) edged with pine and aspen. Phenology: flowering.RMRM371704 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8831Hollis Marriott1984810223U.S.A.WyomingWeston[location and coordinates withheld]1783Sparse grassland on rocky soil with slabby outcrops (Minnekahta limestone). Phenology: flowering & fruiting.RMRM371705 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8992Hollis Marriott1984814227U.S.A.WyomingWeston[location and coordinates withheld]1707Grassland. Phenology: flowering & fruiting.RMRM381974 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn902Hollis Marriott1981720201U.S.A.WyomingCrookBlack Hills: Bear Lodge Mountains; USFS Road 838; ca 1 mi S of Warren Peaks Lookout.-104.446944.46461951Ponderosa pine forest. Phenology: flowering.RMRM371706 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9221Hollis Marriott1984818231U.S.A.WyomingCrookBlack Hills: Inyan Kara Mountain (east half); ca 13.5 air mi S of Sundance.-104.344744.201391615Grassland on southeast-facing slope, in shallow swale. Phenology: flowering & fruiting.RMUSFS406761 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn226Keith Severson Chester Garrett1971720201U.S.A.WyomingCrookBlack Hills National Forest: Beaver Creek, Aspen Plot.-104.406444.52491562Clay, pale white with Propr, Agrop, Syoc, Splu, Asci, Trif, Frov, and Quma; scattered. Phenology: flowering.RMRM371707 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn15931Ronald L. Hartman1983712193U.S.A.WyomingCrookBlack Hills: ca 7 air mi N of Hulett.-104.610344.784441004200Oak woodlands, sandstone rimrock and sandy lower slopes, prairies, and shaded ravines; prairie. Phenology: buds.RMRM371708 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn18457Ronald L. Hartman1984717199U.S.A.WyomingCrookBlack Hills: lower slopes of Hooker Peak and plains to the NW, 7-8 air mi SSE of Sundance.-104.304444.31971554Plains, Pinus ponderosa wooded slopes, moist open drainages and stock pond; moist drainage. Phenology: buds.RMRM793844 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn43Patricia P. Douglas N. Hastings199773184U.S.A.WyomingSheridanSheridan Training Area: site upslope, ca 2.6 km NE of Peak 4236 (335200, 4967300), 2.4 km NNW of Peak 4290 (336500, 4967320). 336100E 4969800N.1230South-facing 20-30 degree slope on Artemisia grassland on clay loam, soil series Parmleed-Worfka association, with Artemisia tridentata, Pediomelon argophyllum, Stipa viridula, Elymus smithii, Bromus sp.. Phenology: flowering.RMRM793845 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn538Patricia P. Douglas N. Hastings199888220U.S.A.WyomingSheridanSheridan Training Area: site ca 800 m NW of Peak 4144 )338560, 4969020), 1.5 km NE of Peak 4355 (337180, 4968280). 337920E,4969560N.1210East to west-flowing drainage (level to 25 degrees) on Artemisia grassland on silty loam, soil series Parmleed-Worfka association, with Artemisa tridentata, A. cana, A. ludoviciana, Koeleria macrantha, Stipa viridula. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn75457B. E. Nelson2008720202U.S.A.MontanaCarbonPryor Mountains: Custer National Forest: ridge between Dry Head and Punch Bowl creeks from Crow Indian Reservation boundary SW along trail, ca 28-29 air mi ESE of Bridger.-108.366645.219318902012Moist to dry red slopes with forbs, grasses, and bare areas. Phenology: buds.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn76180B. E. Nelson2008812225U.S.A.MontanaCarbonPryor Mountains: Custer National Forest: spring complex near the head of Dry Head Creek S of Harsten Flat, ca 26 air mi ESE of Bridger.-108.420945.195820122073Wet to dry meadow, around springs, and along stream. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn76354B. E. Nelson2008813226U.S.A.MontanaCarbonPryor Mountains: Custer National Forest: upper Dry Head Canyon, ca 26 air mi ESE of Bridger.-108.404645.212518902042Steep forb covered slope below the cliffs. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn76447B. E. Nelson2008818231U.S.A.MontanaCarbonPryor Mountains: Custer National Forest: along Commissary Creek from near the head of the canyon S ca 1.5 mi and back along Island Ridge, ca 26-26.5 air mi SE of Bridger.-108.413345.145320482170Bottom of the canyon. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn76473B. E. Nelson2008818231U.S.A.MontanaCarbonPryor Mountains: Custer National Forest: tip of Cave Ridge, ca 27 air mi ESE of Bridger.-108.403345.146821642195Clear cut in Douglas fir forest dominated by Ceanothus with little regrowth of trees. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn76507B. E. Nelson2008819232U.S.A.MontanaCarbonPryor Mountains: Custer National Forest: west side of Cave Ridge ca 1/2-3/4 mi W of Big Ice Cave, ca 26.5 air mi ESE of Bridger.-108.40845.163522312292Clear cut in Douglas fir forest with little regrowth. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn76548B. E. Nelson2008819232U.S.A.MontanaCarbonPryor Mountains: Custer National Forest: near the head of the west branch of Cave Canyon from Forest Road 2849 NE ca 0.5 mi, ca 26 air mi ESE of Bridger.-108.410545.171522192317Moist northwest-facing slope in Douglas fir forest. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn76617B. E. Nelson2008821234U.S.A.MontanaCarbonPryor Mountains: Custer National Forest: along Stevens Draw below the northwest side of Tie Flat, ca 23.5 air mi ESE of Bridger.-108.459445.1819812103Drier meadows and open slopes along the stream. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7006B. E. Nelson1980810223U.S.A.MontanaCarbonPryor Mountains: Custer National Forest: on East Pryor Mountain ca 1 air mi NW of Big Ice Cave, ca 26 air mi SE of Bridger.-108.39945.175423172439Meadows. Phenology: flowering.RMUSFS867170 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn73378B. E. Nelson2007728209U.S.A.MontanaGallatinGallatin Range: Gallatin National Forest: along Porcupine Creek from trailhead ro 3/4 air mi ESE, ca 3-3.5 air mi SSE of intersection of U.S. Hwy 191 and Mont Hwy 64 (Big Sky), ca 33 air mi SSW of Bozeman.-111.24245.223418651926Meadow draw on steep, stony slope. Phenology: flowering & fruiting.RMUSFS867171 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn73536B. E. Nelson2007729210U.S.A.MontanaGallatinGallatin Range: Gallatin National Forest: the saddle between the Portal and Tamphery creeks on Forest Road 6959, ca 6 air mi NE of intersection of U.S. Hwy 191 and Mont Hwy 64 (Big Sky), ca 25.8-26 air mi SSW of Bozeman.-111.151945.311921702510Open slopes and ridge. Phenology: flowering.RMUSFS864165 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn73769B. E. Nelson200781213U.S.A.MontanaSweet GrassBeartooth Mountains: Custer National Forest: above Picket Pin Creek on Forest Road 2140, ca 4.5 air mi ESE of Picket Pin Mountain, ca 27.5 air mi S of Big Timber.-109.967945.43292057Dry meadow dominated by introduced grasses. Phenology: flowering.RMUSFS863568 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn73810B. E. Nelson200783215U.S.A.MontanaGallatinGallatin Range: Gallatin National Forest: along Big Bear Creek at crossing of Cliff Creek or Forest Road 6989 ca 1.5 air mi NW of Wheeler Mountain, ca 11.5 air mi SSW of Bozeman.-111.111945.517617861841Meadow. Phenology: flowering.RMUSFS864162 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3162Emily Elliott Dean Sherman2007716197U.S.A.MontanaStillwaterBeartooth Mountains: Custer National Forest: trail along Stillwater River up to Sioux Charley Lake, ca 34.5 air mi WNW of Red Lodge.-109.905545.351415851768Mixed conifer forest along river, with streamlets and cottonwoods interspersed; granite cliffs at beginning of trail. Phenology: flowering.RMUSFS864163 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3673Emily Elliott Brian Elliott and Bonnie Hiedel2007727208U.S.A.MontanaParkBeartooth Mountains: Custer National Forest: E of U.S. Hwy 212 and Clarks Fork Yellowstone and Broadwater rivers on trail to Vernon Lake, ca 31-32.5 air mi WSW of Red Lodge.-109.869345.017323992530Moist spruce-fir forest with Vaccinium dominating the understory. Phenology: flowering.RMUSFS860725 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1846Jack C. Kademian1988711193U.S.A.WyomingParkBeartooth Mountains: Shoshone National Forest: Beartooth Creek drainage, ca 9 air mi WSW of Beartooth Pass, ca 38-39 air mi NW of Cody.-109.626344.899721342408Partially open aspen grove. Phenology: flowering.RMRM915332 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3487Laura E. Lukas2007730211U.S.A.WyomingCarbonMedicine Bow Mountains: South French Creek, ca 2 air mi W of intersection of Forest roads 225 and 206, ca 23 air mi SE of Saratoga.-106.456841.240724612611Draw. Phenology: flowering.RMRM915333 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3919Laura E. Lukas200783215U.S.A.WyomingAlbanyMedicine Bow Mountains: Platte River Wilderness: Douglas Creek Trail, ca 39 air mi SE of Saratoga; ca 8 air mi W of Foxpark.-106.30941.07825202523Sagebrush steppe, uphill from creek. Phenology: flowering & fruiting.RMRM915334 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4493Laura E. Lukas2007813225U.S.A.WyomingCarbonMedicine Bow Mountains: just S of intersection of Forest roads 232 and 210, ca 1 air mi W of Ryan Park; ca 17 air mi SE of Saratoga.-106.526941.31962708Wet meadow, near creek, heavily grazed by cows; Salix dominated. Phenology: flowering & fruiting.RMRM929661 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn75974B. E. Nelson200884217U.S.A.WyomingCarbonHanna Basin: Halleck Ridge from Rattlesnake Pass NE ca 2 air mi, ca 10-12 air mi S of Hanna; ca 8.5-9 air mi W of the town of Elk Mountain.-106.560541.7222922447Depressions on the ridge with sagebrush. Phenology: flowering & fruiting.RMRM929660 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn76061B. E. Nelson200885218U.S.A.WyomingCarbonSierra Madre: Miner Creek and canyons and ridge to the NW, ca 1/4 below confluence of North and South forks, ca 4 air mi SSW of Encampment.-106.821541.15323322487Easterly-facing sagebrush slope. Phenology: flowering.RMRM915331 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7138Laura E. Lukas2008730212U.S.A.WyomingCarbonMedicine Bow Mountains: Lime Kiln Park, SW of Forest Road 261 (Cedar Pass Road), ca 14 air mi E of Saratoga; ca 7 air mi N of Ryan Park.-106.535441.42772687Dry park. Phenology: flowering.RMRM929662 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn11126Laura E. Lukas2009824236U.S.A.WyomingCarbonMedicine Bow Mountains: area between Bitter and Cedar creeks, along BLM Road 3417, ca 11 air mi E of Saratoga and ca 10 air mi NW of Ryan Park.-106.584441.44942526Aspen forest in drainage surrounded by sagebrush hills. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2333Rick McNeill2008721203U.S.A.MontanaJudith BasinLewis and Clark National Forest: Highwood Mountains: along South Fork Highwood Road, Forest Road 121, ca 11.5 air mi N of Geyser.-110.569347.40211693Meadows in Pseudotsuga menziesii/Artemisia tridentata; heavily grazed; southeast aspect, 5-15% slope. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3089Rick McNeill200885218U.S.A.MontanaMeagherLewis and Clark National Forest: Castle Mountains: along Forest Road 9213, ca 1/4 air mi from junction with Forest Road 211, ca 2 air mi E of Richardson Campground.-110.689746.53591921Open meadow with mixed sagebrush and grass; in Pinus contorta/Pseudotsuga menziesii forest; southeast aspect, 20-35% slope. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3163Rick McNeill200888221U.S.A.MontanaJudith BasinLewis and Clark National Forest: Little Belt Mountains: Forest Road 262 along Lone Tree Creek, ca 11.5 air mi S of Geyser.-110.534547.1141613Open meadow, riparian along dry creek; Picea engelmannii/Pinus contorta; east aspect, 5-30% slope; limestone bedrock. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3672Rick McNeill2008815228U.S.A.MontanaTetonLewis and Clark National Forest: Front Range: Elk Hill, ca 7 air mi NW of Mortimer Gulch Campground, ca 4 air mi NNW of K Bar L Ranch, along Forest Trail 268, from junction with Forest Trail 231 to peak.-112.874947.68421689Along northeast side of hill from creek up to peak; Pseudotsuga menziesii/Picea engelmannii; elk wallow at top; mixed sedimentary. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn88109Ronald L. Hartman2008810223U.S.A.MontanaFergusLewis and Clark National Forest: Big Snowy Mountains: Half Moon Canyon, within ca 1 air mi of Red Hill Road.-109.261146.823117071711Limestone outcrops and coniferous forests. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn88370Ronald L. Hartman2008813226U.S.A.MontanaMeagherLewis and Clark National Forest: Crazy Mountains: ca 1 air mi SE of Forest Lake, Forest Road 66 and Trail 641, for ca 0.5 air mi to SE along Middle Fork Cottonwood Creek.-110.421846.223720422134Grass area along creek, heavily grazed. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn88684Ronald L. Hartman2008819232U.S.A.MontanaMeagherLewis and Clark National Forest: Crazy Mountains: timber road through gap between Davey Butte and Virginia Peak.-110.443146.232122192228Lodgepole pine forest and open areas along road. Phenology: flowering & fruiting.RMRM69914 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn272S. S. Visher1910720201U.S.A.South DakotaHardingLong Pine Hills.-104.039345.62169451067Grassy foothills, in wolfberry patches. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6420Amy J. Roderick1998711192U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Shirley Mountains: Bear Park S of Shirley Loop or BLM 3115 Road, ca 21 air mi SW of Shirley Basin townsite.-106.578742.16632682Wet meadow of graminoids; Allium geyeri and Polygonum bistortoides common. Phenology: flowering.RMRM864164 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6758Emily Elliott2008729211U.S.A.MontanaSweet GrassBeartooth Mountains: Custer National Forest: Forest Road 2140 between Stillwater River and Picket Pin Creek, around forest boundary, ca 28 air mi S of Big Timber.-109.935645.428618291914Dry sagebrush meadow with scattered clumps of Pseudotsuga menziesii and Pinus flexilis; area disturbed by heavey recreation and cattle use. Phenology: flowering.RMUSFS867164 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6779Emily Elliott Brian Elliott200882215U.S.A.MontanaParkAbsaroka Range: Gallatin National Forest: from West Boulder Trailhead, along trail and West Boulder River to West Boulder Meadows, ca 26-27 air mi SW of Big Timber.-110.308245.546616821737Moist aspen grove with Pinus contorta encroachment and a mixed forb understory. Phenology: flowering.RMUSFS867165 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7288Emily Elliott Bernadette Kuhn2008812225U.S.A.MontanaCarbonBeartooth Mountains: Gallatin National Forest: from Wyoming along trail NNE towards Crazy Mountain, ca 26-27.5 air mi WSW of Red Lodge.-109.747244.99824392926Mixed conifer forest dominated by Pinus contorta with scattered dry meadows. Phenology: flowering.RMUSFS867166 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7903Emily Elliott Brian Elliott2008823236U.S.A.MontanaParkAbsaroka Range: Gallatin National Forest: Absaroka/ Beartooth Wilderness: along Lake Abundance Creek to Rock Creek, ca 7-10 air mi NW of Cooke City, .-110.025645.09572530Approximately 20-year-old burn area; now forb dominated with Pinus contorta regeneration, scattered wet areas. Phenology: flowering & fruiting.RMUSFS867167 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7924Emily Elliott Brian Elliott2008824237U.S.A.MontanaParkAbsaroka Range: Gallatin National Forest: Absaroka/ Beartooth Wilderness: along Rock Creek Trail above Lake Abundance Creek, ca 10 air mi NW of Cooke City, .-110.093745.105622072585Approximately 20-year-old burned area, now forb dominated with Pinus contorta regeneration. Phenology: flowering & fruiting.RMUSFS867168 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8105Emily Elliott Brian Elliott2008825238U.S.A.MontanaParkAbsaroka Range: Gallatin National Forest: Absaroka/ Beartooth Wilderness: along Wounded Man Creek N of Horsehoe Mountain, ca 12 air mi NW of Cooke City-110.069345.163723172670Approximately 20-year-old burned area now dominated by Pinus contorta. Phenology: flowering & fruiting.RMUSFS867169 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8139Emily Elliott Brian Elliott2008825238U.S.A.MontanaParkAbsaroka Range: Gallatin National Forest: Absaroka/ Beartooth Wilderness: along Slough Creek, ca 14 air mi NW of Cooke City.-110.136245.160723172493Pinus contorta and Picea forest with a moist, forb dominated understory. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7232Rick McNeill2009720201U.S.A.MontanaMeagherLewis and Clark National Forest: Crazy Mountains: Forest Road 8911 N of Forty Creek, ca 3.8 air mi NW of Forest Lake Campground.-110.473846.29362058Roadside/ barrow pit; northeast aspect; 0-20% slope. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8194Rick McNeill200984216U.S.A.MontanaCascadeLewis and Clark National Forest: Little Belt Mountains: Forest Road 3484 above Lost Stove Creek, ca 2.5 air mi SW of Iron Mountain.-110.957746.95672119Small tributary of creek, flowing south; 10-30% slope; granite rocky. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8397Rick McNeill200985217U.S.A.MontanaMeagherLewis and Clark National Forest: Little Belt Mountains: Forest Road 6464, ca 1 air mi ESE of Smoky Mountain.-110.731746.72052132Very dry; south aspect; 10-20% slope; Pinus ponderosa. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8457Rick McNeill200985217U.S.A.MontanaMeagherLewis and Clark National Forest: Little Belt Mountains: where Forest Road 119 crosses Pole Creek, ca 2.7 air mi S of Williams Mountain.-110.977546.87241916Narrow stream valley, flowing southwest, steep hill slopes, Pinus contorta, Abies lasiocarpa, and Populus tremuloides. Phenology: flowering.RMUSFS884920 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn78154B. E. Nelson2009725206U.S.A.MontanaPowder RiverCuster National Forest: Ashland District: vicinity of Cow Creek Camp/ Picnicground on Cow Creek ca 5.5 air mi W of Fort Howes Work Center, ca 25 air mi S Ashland.-106.246745.307412131225Forb meadow on top of the ridge. Phenology: flowering.RMUSFS884919 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn78283B. E. Nelson2009726207U.S.A.MontanaPowder RiverCuster National Forest: Ashland District: ridge and slope between Yankee Spring and South Fork Bloom Creek and along the creek, ca air 28.5 mi SW of Broadus.-105.914845.231711891225Draw. Phenology: flowering & fruiting.RMUSFS884918 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn78769B. E. Nelson200984216U.S.A.MontanaCarterCuster National Forest: Long Pines: on the divide SE of Devils Canyon, ca 21 air mi SE of Ekalaka.-104.227945.680612071243Slopes and ravines of a burned area. Phenology: flowering & fruiting.RMUSFS883226 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3555Hans Hallman200981213U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: Cook Mountain Hiking and Riding Area: in the vicinity of Cliff Spring and areas SE, W of Forest Road 4772, ca 9 air mi NE of Ashland.-106.135145.671310791091Draw dominated by boxelder, ponderosa pine, and snowberry. Phenology: flowering.RMUSFS884932 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4011Hans Hallman2009811223U.S.A.MontanaCarterCuster National Forest: Long Pines: in Cheesman Draw, just NE of Pioneer Cemetery off of Forest Road 3045, ca 8.5 air mi WNW of Camp Cook, SD.-104.14445.586211061118In and near margin of reservoir. Phenology: flowering & fruiting.RMUSFS883227 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4122Hans Hallman2009813225U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: just N of Fifteenmile Creek or Forest Road 4094, ca 1 air mi NNE of Dalzells Spring, ca 21 air mi ESE of Ashland.-105.927745.403311701207Green ash-dominated meadow with scattered ponderosa pine. Phenology: fruiting.RMRM908704 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn39666Erwin F. Evert2002731212U.S.A.IdahoFremontYellowstone Plateau: Targhee National Forest: along Rock Creek, ca 8 mi W of Cave Falls Campground, ca 16 mi E of Ashton.-111.169944.10061753Lodgepole pine-aspen forest and edge with Wyethia amplexicaulis, Antennaria luzuloides, and Epilobium angustifolium. Phenology: flowering.RMRM908562 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn39826Erwin F. Evert200277188U.S.A.WyomingFremontAbsaroka Mountains: Shoshone National Forest: Brooks Lake Creek Falls and Falls Campground, ca 22 mi NW of Dubois.-109.968443.70432536Open lodgepole pine forest with Carex geyeri, C. rossii, and Calamagrositis rubescens. Phenology: flowering.RMRM616489 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5132James P. Vanderhorst1993817229U.S.A.MontanaGallatinHyalite Canyon: near Window Rock Forest Station, ca 15 air mi SSE of Bozeman.2073Natural meadow on heavy red clay soil, with many native and exotic forbs and grasses. Phenology: flowering.RMUSFS406313 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorns.n.A. M. Baum19147182U.S.A.Montanano countyBeartooth National Forest.Phenology: fruiting.RMUSFS406314 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn746Jay J. McGlinch1921825237U.S.A.MontanaBeartooth National Forest: Stillwater District: Myers Creek Ranger Station pasture.1746South slope; rocky shallow loam soil with wheatgrasses, Festuca, vetches; open dry places. Not abundant. Phenology: flowering.RMUSFS406316 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn61H. M. Crane1914715196U.S.A.MontanaMeagherAbsaroka National Forest.-110.440546.25031981In timber. Phenology: flowering.RMUSFS406317 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn11arthur d. moir1922815227U.S.A.MontanaAbsaroka National Forest: Shields River.2134Rocky southwest slope; with lupine and Geranium. Wide distribution and quite abundant. Phenology: flowering.RMUSFS406315 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn524Eric P. White19239244U.S.A.MontanaAbsaroka National Forest.1829West slope; rich mountain loam soil; open grassy sidehill. Phenology: flowering & fruiting.RMUSFS406312 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn95Orville Sparrow1937718199U.S.A.MontanaBeaverheadBeaverhead National Forest: Battlefield Ranger Station.1981Level ground; shallow gravel loam soil; with Carex. Scarce. Phenology: flowering.RMUSFS406299 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn249Fred E. Ainger1921720201U.S.A.MontanaGallatinGallatin National Forest: Flathead Ranger Station.1981Phenology: flowering.RMUSFS406300 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn316Lester H. McLean1921727208U.S.A.MontanaParkGallatin National Forest: Gallatin Range: vicinity of Big Creek.1829North slope; dry, sandy soil. Phenology: flowering.RMUSFS406298 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5Eric P. White1924922266U.S.A.MontanaGallatinGallatin National Forest: Daly Creek near Daly Cabin.2439North slope; dry soil. Phenology: fruiting.RMUSFS406296 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn60Russell W. Beeson1922822234U.S.A.MontanaHelena National Forest.1981North slope; moist granitic loam soil; ridge with Chamaenerion, timber, aster, and Calamagrostis. Very scattered. Phenology: flowering & fruiting.RMUSFS406297 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn118Arthur Cramer1923819231U.S.A.MontanaHelena National Forest: Elk Creek.1981Slope 10 degrees, west exposure; dry gravelly soil; with Festuca, Cerastium. Abundant. Phenology: flowering & fruiting.RMUSFS406295 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) DornD-63W. A. Donaldson1914814226U.S.A.MontanaJefferson National Forest.1737West slope; moist soil with timothy and redtop. Phenology: flowering & fruiting.RMUSFS406294 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn182A. A. Saunders1912818231U.S.A.MontanaLewis and Clark National Forest.1646Rocky flats along streams; coarse sandy loam soil. Site description partly illegible. Phenology: flowering & fruiting.RMUSFS406293 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2Ben P. Martin1921810222U.S.A.MontanaMadison National Forest.2743East slope; black loam soil; sagebrush vegetation grasses 68%, weeds 20%, shrubs 12%. Wide distribution, scattering abundance. Phenology: flowering.RMUSFS406583 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn54-M-13W. F. Mueggler1954818230U.S.A.MontanaBeaverheadU.S. Sheep Station Summer Range: West Odell Creek.2439Slope 30%, north exposure; deep loam soil; park vegetation cover with Geranium, Potentilla. Fair abundance. Phenology: flowering & fruiting.RMUSFS406582 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) DornSR-120D. Nelson1959826238U.S.A.MontanaBeaverheadU.S. Sheep Experiment Station: summer range: Toms Creek.2317Perennial forb vegetation cover with Agropyron, Bromus, Geranium and Aster. Phenology: flowering.RMRM140085 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorns.n.D. B. Swingle1933818230U.S.A.MontanaBuffalo Horn Lake.2378Mountain meadow. Phenology: flowering & fruiting.RMRM261712 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn298Peter F. Stickney1959723204U.S.A.MontanaMadisonCliff Lake Bench.2134Mountain herbland. Phenology: flowering.RMRM89818 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorns.n.A. M. Cooke1903821233U.S.A.MontanaGallatinBozeman.Phenology: flowering.RMRM355343 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6898Robert W. Lichvar198389221U.S.A.MontanaBig HornEast Cabin Creek along Yellowtail Reservoir.1128Moist canyon bottom. Phenology: flowering.RMRM355248 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn814Ellen Collins1983712193U.S.A.MontanaBig HornBlack Canyon Campground.-107.958845.25281128Moist north facing slopes with Pinus. Phenology: flowering.RMUSFS406303 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn73D. Hudson193686219U.S.A.MontanaGraniteDeerlodge National Forest: Stony Creek.1463Flat ground; fairly dry, sandy loam soil; open woods. Scattered. Phenology: flowering.RMUSFS406301 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn27Arthur H. Abbott1916720202U.S.A.MontanaGallatinGallatin National Forest: Cinnamon Creek.2317East slope; moist soil; with larkspur, lupine. Phenology: flowering.RMUSFS406302 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn209Edward F. Foreman1921720201U.S.A.MontanaGallatinGallatin National Forest: Ross Peak Ranger Station.2134North slope; meadow. Phenology: flowering.RMUSFS406308 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn49QLincoln C. Ellison1934817229U.S.A.MontanaMadisonBeaverhead National Forest: near Warm Springs Quadrat Number 2.Phenology: flowering.RMUSFS406307 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) DornJES-113Jack E. Schmautz1953730211U.S.A.MontanaMadisonBeaverhead National Forest: head of Short Creek.2439Slope 10%, west aspect; deep black loam soil; park vegetation with Wyethia, Deschampsia, weed and grasses. Common. Phenology: flowering.RMUSFS406306 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn518J. N. Templer1921725206U.S.A.MontanaCarterCuster National Forest: Lantis Spring, south of McClary Ranger Station.1097Slope 10%, northwest exposure; loam soil. Phenology: flowering.RMUSFS406305 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn90Charles Fleming1911812224U.S.A.Montanano countyDeerlodge National Forest.1844Sandy soil; moist park areas and willowed areas. Phenology: flowering.RMUSFS406304 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn50Orville Sparrow1934722203U.S.A.MontanaJeffersonDeerlodge National Forest.1676West slope; aspen timber. Phenology: flowering.RMUSFS406311 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn31John P. Inman1968710192U.S.A.MontanaMadisonBeaverhead National Forest: 5 mi E of Ruby Road on the Cottonwood Road.2286Slope 10%, west exposure; sandy loam soil; mountain meadow with Bromus, Poa, Festuca, Senecio, Agoseris. Frequent. Phenology: buds.RMUSFS406310 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn60E. F. Schlatterer1962831243U.S.A.MontanaMadisonBeaverhead National Forest: Wade Lake bench.-111.568844.846519815% northwest slope; silt loam soil; fescue grasslands with Festuca idahoensis, Stipa columbiana, Geum. Phenology: flowering & fruiting.RMUSFS406309 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) DornPFS-298Peter F. Stickney1959723204U.S.A.MontanaMadisonBeaverhead National Forest: Cliff Lake Bench Natural Area.216410% southeast slope; mountain herbland. Phenology: buds.RMRM398600 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2873Porter P. Lowry II1979821233U.S.A.MontanaSilver Bowca 1 1/4 mi WNW of Mt. Humbug: above South Fork Tucker Creek.2195Open slopes. Phenology: fruiting.RMUSFS Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5738Hans Hallman201074185U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: just N of Forest Road 4410, ca 2 air mi E of Yager Butte, ca 17 air mi ESE of Ashland.-105.984345.458611151158In and around flowing-water hardwood draw with green ash, boxelder, chokecherry, snowberry, and Monarda. Phenology: flowering.RMUSFS884930 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn5859Hans Hallman201076187U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: in vicinity between Holiday Campground and SE to Sutton Spring, E of Forest Road 4777, ca 15 air mi ENE of Ashland.-105.967645.637311951219Border of ponderosa pine-dominated woodland and grass-dominated meadow. Phenology: flowering.RMUSFS884929 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6131Hans Hallman2010713194U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: in the vicinity of East Fork Spring, just S of East Fork Otter Creek Road, ca 14 air mi ENE of Ashland.-105.992345.63451173Grass-dominated flat with thin, rocky soil. Phenology: flowering.RMUSFS884928 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6362Hans Hallman2010718199U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: in the vicinity of Suicide Pass near Forest Road 4777, ca 1 air mi N of U.S. Hwy 212, ca 18.5 air mi E of Ashland.-105.894245.563412311243Meadow dominated by grasses, snowberry, sagebrush, and Perideridia. Phenology: flowering.RMUSFS884927 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6530Hans Hallman2010721202U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: in the vicinity of Cabin Spring near the junction of Forest roads 4425 and 4776D, ca 1.5 air mi N of U.S. Hwy 212, ca 15 air mi E of Ashland.-105.955445.575811121158Ponderosa pine woodland with grass-dominated understory. Phenology: flowering.RMUSFS884926 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6876Hans Hallman2010727208U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: in the vicinity of Cow Creek, just S of Forest Road 4095, ca 1.5 air mi W of Otter Creek Road or Mont Hwy 484, ca 2 air mi WSW of Fort Howes.-106.103945.290810701073Sagebrush and grass-dominated meadow. Phenology: fruiting.RMUSFS884925 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6931Hans Hallman2010728209U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: in the vicinity of Dry Gulch Reservoir E of Forest Road 4432D, ca 3.5 air mi E of Fort Howes.-106.087245.300211581164In and near shore of reservoir. Phenology: flowering & fruiting.RMUSFS884924 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6998Hans Hallman2010728209U.S.A.MontanaRosebudCuster National Forest: Ashland Ranger District: in the vicinity of O'Dell Reservoir, ca 1 air mi ENE of Poker Jim Butte, ca 19 air mi SSW of Ashland.-106.348845.32912191256Mixed sagebrush and grass-dominated steppe and hardwood draw with scattered ponderosa pine; heavily grazed and trodden on by cattle. Phenology: fruiting.RMUSFS884923 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7204Hans Hallman201083215U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: in the vicinity of Forest Road 47842, ca 1/4 road mi from its junction with Forest Road 4784, ca 1.5 air mi S of Fifteen Mile Creek Road, ca 22 air mi SE of Ashland.-105.954945.367611251173Grass and sagebrush-dominated steppe with scattered islands of open ponderosa pine woodland. Phenology: fruiting.RMUSFS884922 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7247Hans Hallman201085217U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: SW of the junction of Forest roads 4769 and 4427, ca 3 air mi S of Liscom Butte, ca 16 air mi ENE of Ashland.-105.980245.700211091207Ponderosa pine woodland with grass-dominated understory and moist draws dominated by green ash and hawthorn. Phenology: fruiting.RMUSFS884921 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7473Hans Hallman2010811223U.S.A.MontanaRosebudCuster National Forest: Ashland Ranger District: Tongue River Breaks Hiking and Riding Area: along North Fork Poker Jim Creek, ca 3.5 air mi N of Poker Jim Butte, ca 15.5 air mi SSW of Ashland.-106.370845.379311211195Draw dominated by green ash, Prunus, and Symphoricarpos. Phenology: fruiting.RMUSFS898362 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4125Michael K. Kirkpatrick201089221U.S.A.ColoradoEagleSawatch Range: White River National Forest: Tigiwon Road (Forest Road 707) near the Cross Creek Trailhead, ca 2.5 air mi SSE of Minturn.-106.418139.54872603Moist, north-facing aspen hillside with scattered Douglas fir, buffaloberry and thimbleberry. Phenology: flowering.RMRM211842 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn104George F. Freytag194888221U.S.A.WyomingFremontNear Roberson Mines, 20 mi N of Shoshoni.-107.976943.42371554Grassy meadow near creek bottom, in among some aspen. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6927Amy J. Roderick1998719200U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Seminoe Mountains: drainage W of BLM Road 3108, ca 1.8 air mi NE of Kortes Dam.-106.851242.18071981Creek through cottonwood, chokecherry, ponderosa pine, and limber pine; with granitic outcrops. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn9017Joseph L. M. Charboneau201186218U.S.A.MontanaPhillipsLittle Rocky Mountains: South Fork Goslin Gulch, north side of Saddle Butte, ca 2 air mi ENE of Silver Peak, ca 1.5 air mi SW of Zortman; ca 46 air mi SW of Malta.-108.541747.897913201451Mixed conifer forest on north-facing slope. Phenology: flowering.RMUSFS898393 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7577Michael K. Kirkpatrick B. E. Nelson2011714195U.S.A.ColoradoEagleSawatch Range: White River National Forest: Grouse Creek Trail, ca 0.5 air mi N of Minturn.-106.437239.59242408Montane meadow with scattered sagebrush and lodgepole pine, and riparian corridor with willow and alder. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7213Amy J. Roderick1998724205U.S.A.WyomingNatronaUpper North Platte and Laramie River Drainages: Rattlesnake Hills: northwest end of range S of Dry Creek Road, ca 17.8 air mi SW of Waltman.-107.434142.8732103Wet meadow of graminoids and forbs. Phenology: flowering.RMRM816046 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn323Cynthia Villa2001719200U.S.A.ColoradoGrandBlue Valley Ranch: NE of Foster Pond.2562Open aspen meadow. Phenology: flowering.RMRM816045 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn315Cynthia Villa2001719200U.S.A.ColoradoGrandBlue Valley Ranch: SW of Romaine Overlook.2732Aspen woodland on south aspect. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1006Cynthia Villa2003721202U.S.A.ColoradoGrandBlue Valley Ranch: south end of Blue Valley Ranch parcel 1.2542Aspen and sagebrush community with northeast aspect. Phenology: flowering.RMUSFS Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn73810B. E. Nelson200783215U.S.A.MontanaGallatinGallatin Range: Gallatin National Forest: along Big Bear Creek at crossing of Cliff Creek or Forest Road 6989 ca 1.5 air mi NW of Wheeler Mountain, ca 11.5 air mi SSW of Bozeman.-111.111945.517617861841Meadow. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn6758Emily Elliott2008729211U.S.A.MontanaSweet GrassBeartooth Mountains: Custer National Forest: Forest Road 2140 between Stillwater River and Picket Pin Creek, around forest boundary, ca 28 air mi S of Big Timber.-109.935645.428618291914Dry sagebrush meadow with scattered clumps of Pseudotsuga menziesii and Pinus flexilis; area disturbed by heavey recreation and cattle use. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7006B. E. Nelson1980810223U.S.A.MontanaCarbonPryor Mountains: Custer National Forest: on East Pryor Mountain ca 1 air mi NW of Big Ice Cave, ca 26 air mi SE of Bridger.-108.39945.175423172439Meadows. Phenology: flowering.RMUSFS Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3673Emily Elliott Brian Elliott and Bonnie Hiedel2007727208U.S.A.MontanaParkBeartooth Mountains: Custer National Forest: E of U.S. Hwy 212 and Clarks Fork Yellowstone and Broadwater rivers on trail to Vernon Lake, ca 31-32.5 air mi WSW of Red Lodge.-109.869345.017323992530Moist spruce-fir forest with Vaccinium dominating the understory. Phenology: flowering.RMRM816047 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn323Cynthia Villa2001719200U.S.A.ColoradoGrandBlue Valley Ranch: NE of Foster Pond.2562Open aspen meadow. Phenology: flowering.RMRM960029 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1631Roger L. Williams2011813225U.S.A.WyomingCarbonSierra Madre: North Fork Encampment River, ca 3 air mi SW of Encampment.-106.846641.18162378Open moist meadow. Very few plants; flowers white. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1819Emma E. Freeland201276188U.S.A.MontanaMadisonMadison Range: Trail Creek, ca 2.5-4 air mi E of Ennis Lake, ca 10 air mi NE of Ennis.-111.602745.45872146Along a seep in a Douglas fir forest. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn3555Hans Hallman200981213U.S.A.MontanaPowder RiverCuster National Forest: Ashland Ranger District: Cook Mountain Hiking and Riding Area: in the vicinity of Cliff Spring and areas SE, W of Forest Road 4772, ca 9 air mi NE of Ashland.-106.135145.671310791091Draw dominated by boxelder, ponderosa pine, and snowberry. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7356Amy J. Roderick1998729210U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Pedro Mountains: Pyramid Mountain, ca 6.3 air mi W of County Road 291; ca 7.3 air mi NW of Leo.-106.851242.35412195Open slope in second year after burn; predominately grasses at edge of ponderosa pine. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7250Joshua J. Irwin Ben Legler201183215U.S.AIdahoLemhiSalmon National Forest: Salmon River Mountains: confluence area of Moyer and Panther creeks, 23.0 air mi WSW of Salmon.-114.3129945.02359167525-75 plants estimated in mesic soil within shrub-steppe vegetation, no slope, alluvial geology. 25-75 plants estimated. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7532Joshua J. Irwin201189221U.S.AIdahoLemhiSalmon National Forest: Salmon River Mountains: Napias Creek valley above the Pony Creek confluence, 12.0 air mi W of Salmon.-114.1376845.1949191625-75 plants estimated in xeric soil within a lodgepole pine vegetation, no slope, rhyodacite geology. 25-75 plants estimated. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7687Joshua J. Irwin2011810222U.S.AIdahoLemhiSalmon National Forest: Salmon River Mountains: northernmost reach of Silver Creek, benchland just S of the creek, 29.0 air mi NW of Salmon.-114.377744.9329193425-75 plants estimated in xeric soil within a forb dominated vegetation, 6 degree slope, N aspect, rhyodacite geology. 25-75 plants estimated. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7279Emma E. Freeland2013721202U.S.A.MontanaBeaverheadHenrys Lake Mountains: Antelope Basin, along the Continental Divide National Scenic Trail, ca 11 air mi SSW of Earthquake Lake, ca 48 air mi S of Ennis.-111.4879544.708921462219Sagebrush grasslands with occasional Pseudotsuga menziesii and Pinus contorta. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7529Emma E. Freeland2013731212U.S.A.MontanaMadisonTobacco Root Mountains: North Willow Creek, ca 2 air mi SW of Pony, ca 4.5 air mi NE of Hollowtop Mountain.-111.919645.63791865Grasslands on relatively flat slopes. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7748Emma E. Freeland201381213U.S.A.MontanaMadisonGravelly Range: along Forest Road 292, ca 1/4 air mi S of Call Road Reservoir, ca 17 air mi SSW of Ennis.-111.858945.128524172429Dry mountain meadow. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7765Emma E. Freeland201381213U.S.A.MontanaMadisonGravelly Range: Johnny Gulch, ca 7.5 air mi WSW of McAtee Bridge, ca 20 air mi SSW of Ennis.-111.781945.071421822246Sagebrush grasslands. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7915Emma E. Freeland Kevin Suzuki201386218U.S.A.MontanaMadisonTobacco Root Mountains: South Meadow Creek Drainage: Leonard Creek and associated potholes, ca 2 air mi ENE of South Meadow Creek Lake, ca 10 air mi NW of Ennis.-111.875645.470422012243Open, mixed coniferous forest. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8131Emma E. Freeland2013810222U.S.A.MontanaMadisonHorn Mountains: Cliff Lake, the inlet at Horn Creek, NE of Antelope Prong, ca 5 air mi SW of junction of Mont Hwy 87 and U.S. Hwy 287.-111.536344.76191975Sagebrush grasslands. Phenology: flowering & fruiting.RMUSFS Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn4125Michael K. Kirkpatrick201089221U.S.A.ColoradoEagleSawatch Range: White River National Forest: Tigiwon Road (Forest Road 707) near the Cross Creek Trailhead, ca 2.5 air mi SSE of Minturn.-106.418139.54872603Moist, north-facing aspen hillside with scattered Douglas fir, buffaloberry and thimbleberry. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) DornWY010-33Elizabeth Verhoeven2009826238U.S.A.WyomingWashakie10.1 mi up North Brokenback Road; 0.6 mi W on two-track.-107.3727544.1559442056Permian-Pennsylvanian-Mississipian (sandstone, limestone, shale and dolomite); loam; on washes, ephemeral drainages, and meadows; slope up to 10 deg; aspect east; upland sagebrush/juniper steppe/ mountain big sagebrush scrub, with Artemisia tridentata ssp. vaseyana, Hesperostipa comata ssp. intermedia, Leymus cinerus, Eriogonum sp., Lupinus sp., Juniperus osteosperma, Erigeron sp., Bromus tectorum, Bromus arvensis, Lepidium sp., Festuca idahoensis, Pseudoroegneria spicata ssp. spicata, Mertensia sp., Campanula rotundifolia, Calochortus gunnisonii, Tragopogon sp., Achillea millefolium ssp. occidentalis, Linum lewisii, Castilleja sp., Bromus tectorum, Bromus arvensis, Heterotheca villosa, Gutierrezia sarothrae, Grindelia squarrosa. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) DornWY010-31Elizabeth Verhoeven Destin Harrell200968159U.S.A.WyomingParkNorth side of Heart Mountain on Nature Conservancy managed property.-109.12980644.6829721864Tertiary Willwood, tertiary Fort Union formation/ Cretaceous Lance/ Meeteetse formation; silty clay loam; on shallow bowl in shoulder of mountain; slope 5 deg; aspect north; low mountain meadows/scrub, with Artemisia tridentata ssp. wyomingensis, Achillea millefolium, Alyssum desertorum, Lepidium sp., Geranium viscosissimum, Tragopogon lamottei, Poa secunda, Astragalus sp., Erigeron sp., Ribes sp., Periderdia gairdneri, Artemisia figida, Lupinus leucophyllus, Balsamorhiza sagittata, Leymus cinereus, Artemisia ludiviciana, Sedum sp., Campanula rotundifolia, Bromus arvensis, Allium sp. Phenology: flowering & fruiting.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn90339Ronald L. Hartman2010727208U.S.A.IdahoLemhiSalmon National Forest: Lemhi Range: Boulder Flat along Hayden Creek Road (Forest Road 08) 1.4 road mi from forest boundary, ca 14.5 air mi SW of Tendoy.-113.714644.75681882Douglas fir forest and adjacent stream. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2873Joshua J. Irwin Craig Scott2010726207U.S.A.IdahoLemhiSalmon National Forest: Lemhi Range: Struggle Gulch headwater slopes, 15.4 air mi WNW of Leadore.-113.645544.768822278Clay or silt in hydric herbaceous riparian vegetation; 2° slope, E aspect; andesitoid-rhyolitoid geology. Phenology: flowering.RMRM959919 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn1775Roger L. Williams2015718199U.S.A.WyomingCarbonNorth Fork Encampment River.2469Forested slope. Rare; flowers white. Phenology: flowering.RM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7718Amy J. Roderick199882214U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Ferris Mountains: Miners Canyon on northeastern side of range, ca 16 air mi N of Independence Rock.2012Along creek; limber pine, Rocky Mountain maple, and Ribes common. Phenology: flowering.RMRM940040 Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn11931Robert D. Dorn2017711192U.S.A.South DakotaPenningtonCa 21 mi W of Hill City.-103.99666743.9633331981Open ponderosa pine, with Erigeron, Achillea. Flower white. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2212Crista L. O'Conner2016711193U.S.A.IdahoClearwaterClearwater Mountains: confluence of North Fork Clearwater River and Kelly Creek, nearby Kelly Forks Work Center, ca 30 air mi NE of Pierce.-115.26846.7222841853Roadside and other disturbed areas, including gravel pit. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn2431Crista L. O'Conner Emily Poor2016716198U.S.A.IdahoLatahM. M. McCrosky Memorial State Park: unnamed spur road of Forest Road 4716, ca 8 1/4 air mi N of Potlatch and ca 3.5 air mi SE of Mission Mountain.-116.892247.0453945975Early-seral community with evident history of intensive timber harvest and management; dominated by Pinus ponderosa and Pseudotsuga menziesii in overstory with common Abies grandis regeneration beneath. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn7718Amy J. Roderick Kevin J. Taylor199886218U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Ferris Mountains: Miners Canyon on northeastern side of range, ca 16 air mi N of Independence Rock.-107.123842.26742012Along creek; limber pine, Rocky Mountain maple, and Ribes common. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8014Amy J. Roderick1998812224U.S.A.WyomingCarbonUpper North Platte and Laramie River Drainages: Seminoe Mountains: Morgan and Marking Pen creeks on County Road 351, ca 2 air mi W of Seminoe Dam.-106.948642.16632103Sagebrush-rabbitbrush draw. Phenology: flowering.RMRM Perideridia montanaphysical specimenApiaceaePerideridiamontana(Blank.) Dorn8217Amy J. Roderick1998815227U.S.A.WyomingNatrona[location and coordinates withheld]20302073Along creek; birch, chokecherry, willow, limber pine, and snowberry common. Phenology: flowering & fruiting.36003,1,0true