Record Number Database Code Specimen ID Project Herbarium Accession Number Barcode NPS Accession NPS Catalog Family Genus 1 Specific Epithet 1 Specific Author 1 Infraspecific Rank 1 Infraspecific Epithet 1 Infraspecific Author 1 Name 1 Qualifier Name 1 Qualifier Position Hybrid Symbol Genus 2 Specific Epithet 2 Specific Author 2 Infraspecific Rank 2 Infraspecific Epithet 2 Infraspecific Author 2 Name 2 Qualifier Name 2 Qualifier Position Conservation Status Annotations Site Key Collector Collector Number Other Collectors Day Collected Month Collected Year Collected Verbatim Collection Date Country State County Locality Site Description Minimum Elevation Maximum Elevation Elevation Unit LatitudeLongitude UTM TRS Decimal Latitude Decimal Longitude Geodetic Datum Coordinate Uncertainty Coordinate Uncertainty Unit Elevation Georeferenced TRS Georeferenced Georeference Sources Georeference Remarks Georeferenced By Specimen Notes Other Notes Phenology Cultivated Images Type Specimen? TypeDetails 1 RM 101451 Chumley 1997 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-14022 Timothy W. Chumley 6863 Irene Thien 28 6 1997 U.S.A. Colorado Fremont [location and coordinates withheld] On a sandbar in the creek. 6340 6380 ft. Flowering N N 2 RM 109130 Rosenthal 1997 RM 680846 RM0041962 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-14294 Ronald L. Hartman 59059 29 7 1997 U.S.A. Wyoming Park Northern Absaroka Area: Cabin Creek. Stream bottom and adjacent hills. 6700 7600 ft. 44.1257° N, 109.6574° W T48N R107W S13 S1/2; also S1/2 S14 44.1257 -109.6574 Flowering N RM0041962 N 3 RM 112574 Ebertowski 2002 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-14398 Peter J. Ebertowski 2137 24 7 2002 U.S.A. Wyoming Weston Thunder Basin National Grassland and Vicinity: Turner Creek on Forest Road 914, ca 11.5 air mi ESE of Upton; ca 16 air mi NW of Newcastle. Creek bank. 4330 4370 ft. 44.0201° N, 104.4298° W; uncertainty 0.5 mi. T47N R63W S28 NE1/4 44.0201 -104.4298 1 mi. Fruiting N N 4 RM 118655 Ebertowski 2003 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-14574 Peter J. Ebertowski 7324 27 7 2003 U.S.A. Wyoming Campbell Thunder Basin National Grassland and Vicinity: ridge E of Short Creek, on road continuing Forest Road 1246, ca 34 air mi NW of Moorcroft; ca 24 air mi N of Gillette. Narrow ravine floor with occasional ponderosa pine. 4080 4500 ft. 44.6292° N, 105.4° W T54N R71W S28 E1/2 44.6292 -105.4 Flowering and Fruiting N N 5 RM 118739 Ebertowski 2003 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-14576 Peter J. Ebertowski 7408 29 7 2003 U.S.A. Wyoming Weston Thunder Basin National Grassland and Vicinity: Turner Creek, on Forest Road 914, ca 16 air mi NW of Newcastle; ca 12 air mi ESE of Upton. Creek bank, redtop and prairie cordgrass abundant. 4380 4540 ft. 44.0341° N, 104.4097° W T47N R63W S22 44.0341 -104.4097 Fruiting N N 6 RM 119287 Ebertowski 2003 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-14591 Peter J. Ebertowski 7956 9 8 2003 U.S.A. Wyoming Campbell Thunder Basin National Grassland and Vicinity: Porcupine Creek, on two-track off Matheson or County Road 70, ca 13 air mi SE of Wright; ca 49 air mi S of Gillette. Creek bank. 4740 4770 ft. 43.6009° N, 105.3691° W T42N R71W S22 South1/4 43.6009 -105.3691 Flowering and Fruiting N N 7 RM 143063 Evert 1992 RM 754088 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-15984 Erwin F. Evert 23325 6 7 1992 U.S.A. Idaho Teton [location and coordinates withheld] Wet meadow/marsh on peaty/marly substrate with Muhlenbergia richardsonis, Pentaphylloides floribunda, Thalictrum alpinum, Triglochin maritimum, and Deschampsia cespitosa. 6050 ft. Flowering and Fruiting N N 8 RM 182715 Fowler Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-17368 James F. Fowler 266 C. L. May and Jon Hak 27 7 1991 27 July 1991 U.S.A. Utah San Juan Glen Canyon National Recreation Area: Hardwood Hanging Garden, Alcove Canyon. Hanging garden. 1170 m. zone 12, 526840E, 4125133N; Specimen Label x526840:y4125133 N N 9 RM 183267 Fowler Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-17416 James F. Fowler 881 C. L. May and Jon Hak 11 6 1992 11 June 1992 U.S.A. Utah San Juan Glen Canyon National Recreation Area: Hook Hanging Garden, Ribbon Canyon. Hanging garden. 1268 m. zone 12, 515549E, 4122757N; Specimen Label x515549:y4122757 N N 10 RM 183268 Fowler Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-17416 James F. Fowler 882 C. L. May and Jon Hak 11 6 1992 11 June 1992 U.S.A. Utah San Juan Glen Canyon National Recreation Area: Hook Hanging Garden, Ribbon Canyon. Hanging garden. 1268 m. zone 12, 515549E, 4122757N; Specimen Label x515549:y4122757 N N 11 RM 20218 Arizona/New Mexico RM 152375 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-1886 Bassett Maguire 12075-A B. L. Richards, Jr. and Theodore Moeller 2 6 1935 U.S.A. Arizona Graham Graham Mountains: northeast slopes, Marijilda Canyon. 5200 ft. T8S R25E S27 32.7072 -109.77609 NAD 83 3 mi. N N Nat. Geog. TOPO! Flowering and Fruiting N N 12 RM 23414 Arizona/New Mexico RM 18110 Poaceae Sphenopholis obtusata (Michx.) Scribn. Sphenopholis obtusata (Michx.) Scribn.
Annotated by C. L. Porter in 1933.
1.
Annotated by George V. Nash in 1933. RM-3519 E. O. Wooton 37 19 6 1897 U.S.A. New Mexico Dona Ana Mesilla. 3900 ft. 32.27029 -106.8001 NAD 83 1 mi. N N Nat. Geog. TOPO! Fruiting N N 13 RM 249056 Kostel 2004 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-21645 Grace M. Kostel 2839 25 6 2004 U.S.A. South Dakota Custer Buffalo Gap National Grassland and Vicinity: ca 20 mi SSE of Hermosa, next to the Cheyenne River. In sandy soil on river banks. 2750 ft. 43° 34.03' N, 103° 3.36' W; GPS Reading T5S R9E S33 43.567167 -103.056 GPS Reading Flowering and Fruiting N N 14 RM 251111 Kostel 2004 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-21713 Grace M. Kostel 4701 13 10 2003 U.S.A. South Dakota Pennington Buffalo Gap National Grassland and Vicinity: ca 25 air mi ENE of Hermosa and 3 mi E of Swinehart Hill near the Cheyenne River. Floodplain with clay and rock and sand soil; area is infested with Tamarisk seedlings and young trees to 1.5" dbh. 3100 ft. 43.8941° N, 102.681° W; GPS Reading T2S R12E S9 43.8941 -102.681 GPS Reading Flowering and Fruiting N N 15 RM 251156 Kostel 2004 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-21714 Grace M. Kostel 4738 13 10 2003 U.S.A. South Dakota Custer Buffalo Gap National Grassland and Vicinity: ca 15.5-16 air mi SSE of Hermosa along French Creek. Creek banks with moist clay and silt soils. 3050 ft. 43.6377° N, 103.0302° W; GPS Reading T5S R9E S9 NE1/4 43.6377 -103.0302 GPS Reading Flowering and Fruiting N N 16 RM 251253 Kostel 2004 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-21718 Grace M. Kostel 4826 13 10 2003 U.S.A. South Dakota Fall River Buffalo Gap National Grassland and Vicinity: side drainage of Moss Agate Creek, ca 5 air mi NW of Edgemont. Ungrazed drainage; soils on side slopes are gravelly, rocky, and loose; soils in bottom are deep, moist loam. 3800 ft. 43.3633° N, 104.0205° W; GPS Reading T8S R1E S8 SE1/4 43.3633 -104.0205 GPS Reading Flowering and Fruiting N N 17 RM 255363 Kostel 2005 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-21910 Grace M. Kostel 8299 10 7 2005 U.S.A. South Dakota Jackson Buffalo Gap National Grassland and Vicinity: ca 6-6.5 air mi ESE of Cottonwood in South Fork Bad River. Soils are silty clay. 2325 ft. 43° 56.507' N, 101° 46.49' W; GPS Reading T1S R20E S19 W1/2 43.941783 -101.774833 GPS Reading Flowering and Fruiting N N 18 RM 255404 Kostel 2005 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-21911 Grace M. Kostel 8340 10 7 2005 U.S.A. South Dakota Jackson Buffalo Gap National Grassland and Vicinity: ca 2 air mi ESE of Cottonwood in Cottonwood Creek. Soils are silty clay. 2350 ft. 43° 57.406' N, 101° 51.424' W; GPS Reading T1S R19E S16 SW1/4 43.956767 -101.857067 GPS Reading Flowering and Fruiting N N 19 RM 255432 Kostel 2005 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-21912 Grace M. Kostel 8368 10 7 2005 U.S.A. South Dakota Jackson Buffalo Gap National Grassland and Vicinity: ca 4.5 air mi SSE of Cottonwood in Cottonwood Creek. Soils are silty clay. 2400 ft. 43° 54.198' N, 101° 51.838' W; GPS Reading T2S R19E S5 NE1/4 43.9033 -101.863967 GPS Reading Flowering and Fruiting N N 20 RM 256038 Kostel 2005 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-21940 Grace M. Kostel 8974 20 7 2005 U.S.A. South Dakota Custer Buffalo Gap National Grassland and Vicinity: ca 1 air mi NW of Redshirt and ca 2 air mi due W of County Road 40, Cheyenne River. At the shores of river, soils are gravel and sand. 2675 ft. 43° 40.327' N, 102° 54.664' W; GPS Reading T4S R10E S27 43.672117 -102.911067 GPS Reading Flowering and Fruiting N N 21 RM 26540 Arizona/New Mexico USFS 427992 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-5286 Harold Peckenpaugh 53 14 9 1922 U.S.A. New Mexico Catron Datil National Forest: Jewett Ranger Station pasture. Commonly distributed; scattered abundance. 7300 ft. T4S R17W S8 33.9752 -108.63179 NAD 83 1 mi. Y Y Nat. Geog. TOPO! Cochise co., AZ/ Hidalgo co., NM. Flowering and Fruiting N N 22 RM 284773 Lyon 1994 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-22915 Margarette J. Lyon 5577 6 7 1994 U.S.A. Colorado Montrose San Miguel and Lower Dolores River Drainages: along dry wash to Campbell Creek. In wet areas. 6200 ft. 38.4164° N, 108.6205° W T48N R16W S15 38.4164 -108.6205 Flowering and Fruiting N N 23 RM 317832 Marriott 1983 RM 378793 RM0199787 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-24943 Hollis Marriott 5440 4 8 1983 U.S.A. Wyoming Crook Black Hills, Coal Divide just N of I-90 (near parking area), ca 9 air mi SW of Sundance. Grassland, draw above small reservoir. 4800 ft. 44.3137° N, 104.5077° W T50N R64W S14 NW1/4 44.3137 -104.5077 Flowering and Fruiting N RM0199787 N 24 RM 319790 Newton 2005 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-25043 Rachel Newton 2077 15 7 2005 U.S.A. Wyoming Platte Wetlands and Adjacent Areas: wetlands below Glendo Dam, North Platte River, ca 17 air mi NE of Guernsey. Marshy banks. 4514 ft. 42.4665° N, 104.9446° W; GPS Reading T29N R68W S24 SE1/4 42.4665 -104.9446 NAD 83 GPS Reading Flowering N N 25 RM 324689 Newton 2006 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-25286 Rachel Newton 6075 6 7 2006 U.S.A. Wyoming Teton Wetlands and Adjacent Areas: Horsetail Creek, ca 7 air mi E of Kelly; ca 14 air mi NE of Jackson. Moist banks and hummocks. 6978 ft. 43.63721° N, 110.49607° W; GPS Reading T42N R114W S2 NE1/4 43.63721 -110.49607 NAD 83 GPS Reading Flowering N N 26 RM 349792 Reif 2003 RM 813300 RM0120343 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-33038 Brian Reif 5967 24 6 2003 U.S.A. New Mexico Rio Arriba Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Arroyo de los Encinos, 3.5 air mi ENE of Chimayo; from small springs and mature cottonwoods at base of sedimentary formation/cliffs to S 0.3 air mi in dry wash. Desert shrubland with spring above and narrow, excised dry wash through soft sediment below. 6500 6620 ft. 36.03° N, 105.923° W; GPS Reading T21N R10E S30 W1/2 36.03 -105.923 GPS Reading Flowering N RM0120343 N 27 RM 358235 RMHERB1 RM 8679 RM0199774 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-34723 Aven Nelson 2846 1 8 1896 U.S.A. Wyoming Wheatland. Flowering and Fruiting N RM0199774 N 28 RM 358643 RMHERB1 RM 10939 RM0199778 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-34960 Aven Nelson 3886 30 7 1897 U.S.A. Wyoming Sweetwater Granger, Hams Fork. Flowering and Fruiting N RM0199778 N 29 RM 362168 RMHERB1 RM 751328 RM0199780 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-37164 Bonnie Heidel 2373 Luanne Lum 17 7 2003 U.S.A. Wyoming Goshen Southeastern Plains: Goshen Hole: Fort Laramie National Historic Site: south bank of Laramie River ca 2.27 air mi WSW of Fort Laramie (town). Rver shore with muck over cobble, slope 0%; Spartina pectinata - Scirpus pungens herbaceous vegetation; associated species are Agrostis stolonifera, Eleocharis palustris, Scirpus pungens, and Lycopus americanus. 4230 ft. 42.2021° N, 104.5648° W; NAD 83, uncertainty 700 ft., Nat. Geog. TOPO! T26N R64W S29 NW1/4 NE1/4 42.2021 -104.5648 NAD 83 700 ft. N N Nat. Geog. TOPO! BEN Occasional. Flowering and Fruiting N RM0199780 N 30 RM 36884 Arizona/New Mexico USFS 427990 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-11125 W. G. Koogler 79 15 6 1928 U.S.A. Arizona Gila Tonto National Forest: head of Gold Creek. Broadleaf woodland community in deep loam with Gambel oak and columbine. 3500 ft. Flowering and Fruiting N N 31 RM 369506 RMHERB1 RM 341557 RM0041961 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-40802 Erwin F. Evert 3051 10 7 1981 U.S.A. Wyoming Park Absaroka Mountains: North Fork Shoshone River Drainage: along Rattlesnake Creek Road, ca 2 mi N of U.S. Hwy 14, 16 & 20. In seeps and springs. 5800 ft. T53N R103W S29 SE1/4 Flowering and Fruiting N RM0041961 N 32 RM 37334 Arizona/New Mexico USFS 427991 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-11373 W. R. Chapline 254 13 8 1915 U.S.A. New Mexico Sierra Gila National Forest: near spring 0.5 mi NW of Log Cabin Mine. Grass community in sandy clay loam soil on a 15 degree east slope; scattered abundance; distributed in the lower woodland communities. 6500 ft. Could not be mapped. Flowering N N 33 RM 387582 RMHERB1 RM 293250 RM0199779 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-50703 Richard F. Harner 9 14 7 1974 U.S.A. Wyoming Campbell 6 mi NNE of Gillette at Moyer (Marshall) Creek; near Moyer Spring. Streamside vegetation. 4550 ft. T51N R71W; R72W Flowering and Fruiting N RM0199779 N 34 RM 392269 RMHERB1 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-54044 Robert D. Dorn 8075 12 8 1999 U.S.A. Wyoming Natrona Keg Spring Draw ca 3.4 mi E of Waltman. Center of east edge Wet draw with Juncus and Scirpus. 6000 ft. 43.0629° N, 107.1365° W T36N R86W S27; S27 43.0629 -107.1365 N N 35 RM 392271 RMHERB1 RM 642963 RM0199776 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-54044 Robert D. Dorn 8075 12 8 1999 U.S.A. Wyoming Natrona Keg Spring Draw ca 3.4 mi E of Waltman. Center of east edge Wet draw with Juncus and Scirpus. 6000 ft. 43.0629° N, 107.1365° W T36N R86W S27; S27 43.0629 -107.1365 Flowering and Fruiting N RM0199776 N 36 RM 395879 WYNDD RM 681947 RM0199781 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-19132 Steve Kettler 744 16 8 1991 U.S.A. Wyoming Laramie Southeast Plains: North Branch Little Bear Creek, ca 25 air mi N of Cheyenne; ca 6 mi W of I-25. Dense stand of Carex nebrascensis and Scirpus pungens with Juncus torreyi and Eleocharis sp. on silty soil adjacent to channel and on first terrace. 6510 ft. 41.4841° N, 104.0639° W; uncertainty 700 ft. T18N R68W S36 SW1/4 SE1/4 41.4841 -104.0639 700 ft. N N Fruiting N RM0199781 N 37 RM 395917 WYNDD RM 681919 RM0199782 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-19140 Steve Kettler 841 28 8 1991 U.S.A. Wyoming Platte Southeastern Plains: Cooney Creek, near Cooney Hills Road, ca 5.5 mi SW of junction with Palmer Canyon Road SW of Wheatland. Salix exigua/S. amygdaloides community on fine sandy alluvium with patches of coarse sand and gravel in floodplain; understory with Echinochloa muricata, Agrostis stolonifera, Polypogon monspeliensis, and Asclepias sp. 5010 ft. 41.9811° N, 105.1662° W; uncertainty 0.5 mi. T23N R69W S7 W1/2 SW1/4 41.9811 -105.1662 1 mi. Fruiting N RM0199782 N 38 RM 395972 RMHERB1 RM 355533 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-56570 Steve Kilpatrick RH 139 20 7 1982 U.S.A. Wyoming Goshen Wyoming Game and Fish Departments Rawhide unit along the North Platte River, ca 2.3 air mi S of Lingle, ca 8.5 air mi WNW of Torrington. Pond area. 4100 ft. 42.106° N, 104.3296° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T25N R62W S29 42.106 -104.3296 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Accession number duplicated in the database: specimen not verified. Flowering and Fruiting N N 39 RM 399576 WYNDD RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-58903 Walter Fertig 16376 Stephanie Mills 30 8 1995 U.S.A. Wyoming Laramie Southeast Plains: F. E. Warren Air Force Base: "Unnamed Drainage", first drainage S of high security area, between boundary to Douglas Street, on north side of Parade Road. Mesic meadow along banks of creek on subirrigated alluvial soil bordering scattered clumps of Salix exigua and patches of Cirsium arvense. 6175 ft. 41.64° N, 104.8718° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T14N R67W S34 South1/2 41.64 -104.8718 NAD 83 1 mi. N N Nat. Geog. TOPO! BEN N N 40 RM 399577 WYNDD RM 615216 RM0199783 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-58903 Walter Fertig 16376 Stephanie Mills 30 8 1995 U.S.A. Wyoming Laramie Southeast Plains: F. E. Warren Air Force Base: "Unnamed Drainage", first drainage S of high security area, between boundary to Douglas Street, on north side of Parade Road. Mesic meadow along banks of creek on subirrigated alluvial soil bordering scattered clumps of Salix exigua and patches of Cirsium arvense. 6175 ft. 41.64° N, 104.8718° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T14N R67W S34 South1/2 41.64 -104.8718 NAD 83 1 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N RM0199783 N 41 RM 440855 South Dakota RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-68148 Hollis Marriott 12004 Patches 17 7 2000 U.S.A. South Dakota Custer Black Hills: Black Elk Wilderness, divide between Iron Creek Trail and Grizzly Bear Creek Trail near junction with Harney Peak Trail, ca 1.0 air mi SSE of Harney Peak Lookout Tower. N-facing slope near ridgecrest with Pinus ponderosa, Juniperus communis, Picea glauca. 6400 ft. T2S R5E S28 NW1/4 of NE1/4 43.8538 -103.5248 NAD 83 0 mi. Y Nat. Geog. TOPO! N N 42 RM 440856 South Dakota RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-68152 Hollis Marriott 12004 Patches 17 7 2000 U.S.A. South Dakota Custer Black Hills: Black Elk Wilderness, divide between Iron Creek Trail and Grizzly Bear Creek Trail near junction with Harney Peak Trail, ca 1.0 air mi SSE of Harney Peak Lookout Tower. North-facing slope near ridgecrest with Pinus ponderosa, Juniperus communis, and Picea glauca. 6400 ft. 43.8538° N, 103.5197° W; uncertainty 0.25 mi. T2S R5E S28 NE1/4 of NE1/4 43.8538 -103.5197 0 mi. N N 43 RM 441088 South Dakota RM 698598 RM0199762 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-68207 Hollis Marriott 12142 Patches 3 8 2000 U.S.A. South Dakota Pennington Black Hills: Black Elk Wilderness, Harney Peak, at base of steep rock face below summit on NE side. Near base of steep NE-facing granite wall, in Picea glauca forest. 7050 ft. T2S R5E S21 NE1/4 of NW1/4 43.8662 -103.5308 NAD 83 0 mi. Y Y Nat. Geog. TOPO! Flowering N RM0199762 N 44 RM 441089 South Dakota RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-68208 Hollis Marriott 12142 Patches 3 8 2000 U.S.A. South Dakota Pennington Black Hills: Black Elk Wilderness: Harney Peak, at base of steep rock face below summit on northeast side. Near base of steep northeast-facing granite wall, in Picea glauca forest. 7150 ft. 43.8662° N, 103.5308° W; uncertainty 0.25 mi. T2S R5E S21 NE1/4 NW1/4 43.8662 -103.5308 0 mi. N N 45 RM 441120 South Dakota RM 698581 RM0199761 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-68207 Hollis Marriott 12159 Patches 3 8 2000 U.S.A. South Dakota Pennington Black Hills: Black Elk Wilderness, Harney Peak, at base of steep rock face below summit on NE side. On moss mats and soil pockets on granite outcrops below steep granite wall. 7050 ft. T2S R5E S21 NE1/4 of NW1/4 43.8662 -103.5308 NAD 83 0 mi. Y Y Nat. Geog. TOPO! Flowering N RM0199761 N 46 RM 441121 South Dakota RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-68208 Hollis Marriott 12159 Patches 3 8 2000 U.S.A. South Dakota Pennington Black Hills: Black Elk Wilderness: Harney Peak, at base of steep rock face below summit on northeast side. On moss mats and soil pockets on granite outcrops below steep granite wall. 7150 ft. 43.8662° N, 103.5308° W; uncertainty 0.25 mi. T2S R5E S21 NE1/4 NW1/4 43.8662 -103.5308 0 mi. N N 47 RM 441254 South Dakota RM 698515 RM0199763 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-68246 Hollis Marriott 12234 Patches 13 8 2000 U.S.A. South Dakota Pennington Black Hills: Black Elk Wilderness: Harney Peak: in gully in rock immediately NW of Lookout Tower. Soil pockets in granite rock. 7200 ft. T2S R5E S21 SW1/4 NE1/4 NW1/4 43.8661 -103.5315 NAD 83 0 mi. N N Nat. Geog. TOPO! GKB Flowering N RM0199763 N 48 RM 441255 South Dakota RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-68248 Hollis Marriott 12234 Patches 13 8 2000 U.S.A. South Dakota Pennington Black Hills: Black Elk Wilderness, Harney Peak, ca 50 M NW of Lookout Tower. Soil pockets in granite rock. 7200 ft. 43.8661° N, 103.5313° W; uncertainty 0.25 mi. T2S R5E S21 SW1/4 of NE1/4 of NW1/4 43.8661 -103.5315 0 mi. N N 49 RM 602539 Kirkpatrick 1983 RM 564421 RM0041960 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-21438 Robert S. Kirkpatrick 1916 Geoffrey McNaughton 10 8 1983 U.S.A. Wyoming Park Absaroka Mountains: ca 44.5 air mi SW of Cody, above Needle Creek, ca 1 mi E of junction of the South Fork of the Shoshone River. Wet areas along the creek. 9000 ft. 44.04° N, 109.6202° W T47N R106W S18 44.04 -109.6202 Flowering and Fruiting N RM0041960 N 50 RM 646682 RMHERB1 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-109161 Robert D. Dorn 8075 12 8 1999 U.S.A. Wyoming Natrona Keg Spring Draw ca 3.4 mi E of Waltman. Center of E edge Wet draw with Juncus and Scirpus. 6000 ft. 43.0627° N, 107.1391° W T36N R86W S27; S27 43.0627 -107.1391 N N 51 RM 660870 WY Black Hills RM 5435 RM0199785 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-109913 Aven Nelson 459 14 7 1895 U.S.A. Wyoming Platte Cold Springs. 4280 ft. 42.2676° N, 104.7901° W; uncertainty 1 mi. T27N R66W S33 42.2676 -104.7901 1 mi. Y Y Nat. Geog. TOPO! GNIS indicates "Cold Spring Campground" (same location as the Spring). Flowering and Fruiting N RM0199785 N 52 RM 660969 WY Black Hills RM 1098 RM0199775 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-109988 B. C. Buffum s.n. 28 6 1892 U.S.A. Wyoming Fremont Crook Creek. 6400 7000 ft. 42.3721° N, 107.8519° W; uncertainty 5 mi. T28N R92W S29 42.3721 -107.8519 5 mi. Y Y Nat. Geog. TOPO! Possibly adjacent to the historical Rongis stage stop. Flowering and Fruiting N RM0199775 N 53 RM 666224 Marriott 1983 RM 378795 RM0199788 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-110560 Hollis Marriott 4653 Dennis Horning 16 7 1983 U.S.A. Wyoming Crook Black Hills: Bear Lodge Mountains, Cook Lake; ca 7.2 air mi SSE of Alva. Stream banks below outlet. 4750 ft. 44.5958° N, 104.4072° W; uncertainty 1 mi. T53N R63W S10 South 1/2 44.5958 -104.4072 1 mi. Flowering and Fruiting N RM0199788 N 54 RM 666460 Marriott 1983 RM 378794 RM0199789 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-105595 Hollis Marriott 4890 21 7 1983 U.S.A. Wyoming Crook Black Hills: Keyhole Reservoir, Belle Fourche River below dam; ca 12 air mi NE of Moorcroft. River margin. 4000 ft. 44.3908° N, 104.78972° W; uncertainty 1 mi. T51N R66W S21 SE1/4; and SW1/4 S22 44.3908 -104.78972 1 mi. Flowering and Fruiting N RM0199789 N 55 RM 666996 Marriott 1983 RM 3378793 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-24944 Hollis Marriott 5440 4 8 1983 U.S.A. Wyoming Crook Black Hills, Coal Divide just N of I-90 (near parking area), ca 9 air mi SW of Sundance. Grassland, draw above small reservoir. 4800 ft. T50N R64W S14 NW1/4 44.3209 -104.5123 NAD 83 0 mi. N N Nat. Geog. TOPO! Flowering and Fruiting N N 56 RM 669878 Marriott 1984 RM 377383 RM0199786 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-105649 Hollis Marriott 8225 30 7 1984 U.S.A. Wyoming Crook [location and coordinates withheld] Creek bottom in grassland-- streambanks. 4600 ft. Flowering and Fruiting N RM0199786 N 57 RM 700481 Kuhn 2008 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Bernadette Kuhn. RM-114611 Bernadette Kuhn 5773 Cali Hemenway 25 6 2008 U.S.A. Colorado Baca Comanche National Grassland: Picture Canyon, ca 28.5 air mi SSW of Springfield. Along creek and sandstone canyon walls. 4257 ft. 37.0084° N, 102.7465° W; NAD 83, , GPS Reading T35S R47W S7 37.0084 -102.7465 NAD 83 GPS Reading Fruiting N 58 RM 701575 Kuhn 2008 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Bernadette Kuhn. RM-114672 Bernadette Kuhn 6867 Edith Hall, Lloyd Hall 17 7 2008 U.S.A. Colorado Otero [location and coordinates withheld] Along sandstone walls of canyon with seeping spring; Prunus thicket and pools with Scirpus, Carex and Juncus. Asplenium platyneuron growing on rock wall. 4933 ft. Flowering and Fruiting N 59 RM 706123 Legler 2007 RM 904144 RM0028680 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Ben Legler on 10/26/2008. RM-119890 Ben Legler 6907 1 8 2007 U.S.A. New Mexico Colfax Vermejo Park Ranch: on west shore of westernmost of Bremmer Lakes in Van Bremmer Park. Marshy lakeshore with shallow water or saturated mud, dominated by Schoenoplectus acutus, Eleocharis macrostachya, Carex pellita, Calamagrostis stricta. 8255 ft. 36° 50' 29.7" N, 105° 5' 44.4" W; WGS 84, uncertainty 3 m., GPS reading 36.84158333 -105.0956667 WGS 84 3 m. GPS reading Inflorescence yellowish; stems scattered in small tufts in wet mud; occasional. Photographed. Flowering N VPR07145,VPR07146,VPR07147,RM0028680 N 60 RM 709107 Legler 2008 RM 904143 RM0028679 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Ben Legler on 1/2/2009. RM-120243 Ben Legler 9904 19 7 2008 U.S.A. New Mexico Colfax Vermejo Park Ranch: at east base of a small hill below water supply tower 1.5 air mi SW of Cimarron. Seeps and wet depressions on side of hill, with Juncus spp., Eleocharis macrostachya, Asclepias incarnata, Schoenoplectus spp., and Typha domingensis. 6524 ft. 36.504116° N, 104.940475° W; WGS 84, GPS reading 36.504116 -104.940475 WGS 84 GPS reading Scattered in wet soil. Photographed. Specimen GPS: 36.503494, -104.940254. Flowering N VPR10879,VPR10881,RM0028679 N 61 RM 759675 Hallman 2009 USFS 886479 USFS0030353 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-119187 Hans Hallman 2471 17 7 2009 U.S.A. South Dakota Harding Custer National Forest: Slim Buttes: just SW of Summit Pass on SD Hwy 79, ca 23.5 air mi SE of Buffalo. Green ash-dominated flowing-water draw. 3200 3300 ft. 45.3682° N, 103.1765° W; NAD 83, , GPS reading T16N R8E S8 N1/2 45.3682 -103.1765 NAD 83 GPS reading Flowering and Fruiting N USFS0030353 62 RM 7708 Taylor, Amy 1998 RM 667798 RM0199773 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-505 Amy J. Roderick 6652 18 7 1998 U.S.A. Wyoming Natrona Upper North Platte and Laramie River Drainages: Blue Gulch N of Wyo Hwy 220, ca 3.2 air mi NW of Alcova townsite. Draw with sagebrush, rabbitbrush, and wild licorice. 5600 5660 ft. 42.584° N, 106.7474° W T30N R83W S11 42.584 -106.7474 Flowering N RM0199773 N 63 RM 772226 Missouri Plateau RM 365305 RM0199760 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-68443 Hollis Marriott 9861 25 7 1985 U.S.A. South Dakota Custer Jewel Cave National Monument: seep in draw E of Visitors Center and above cliff. On limestone outcrop. 5400 ft. T4S R2E S1 43.7311 -103.8258 NAD 83 0 mi. Nat. Geog. TOPO! Flowering N RM0199760 N 64 RM 772227 Missouri Plateau RM 706306 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Bonnie Heidel. RM-128438 Bonnie Heidel 2156 11 8 2001 U.S.A. Montana Big Horn Bighorn Canyon National Recreation Area; immediately west of the campground on the north shore of Afterbay Reservoir. Northwest corner of wetland in wet loam; at edge of Typha latifolia with Calamagrostis inexpansa, Rumex salicifolia, Sphenopholis obtusata var obtusata. 3195 ft. T6S R31E S17 NE1/4 NW1/4 Flowering N N 65 RM 772228 Missouri Plateau USFS 427997 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by A. A. Saunders. RM-130452 A. A. Saunders s.n. U.S.A. Montana no county Lewis and Clark National Forest. Flowering N N 66 RM 772229 Missouri Plateau USFS 427996 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by James C. Whitham. RM-130453 James C. Whitham A 22 7 1924 U.S.A. Montana Custer National Forest: McClary Ranger Station yard. South slope; loam soil; with wheatgrass and porcupine grass. 3200 ft. Scarce; occurring in spots. Flowering N N 67 RM 772230 Missouri Plateau USFS 427994 Poaceae Sphenopholis obtusata (Michx.) Scribn. 2. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Jason R. Swallen. RM-130454 D. Hudson 75 29 7 1936 U.S.A. Montana Granite Deerlodge National Forest: upper Willow Creek. Flat ground; moist, wet sandy loam soil; meadow along mountain stream. 5500 ft. T8N R15W S16 Moderate abundance. Flowering N N 68 RM 772231 Missouri Plateau RM 121515 Poaceae Sphenopholis obtusata (Michx.) Scribn. 2. Sphenopholis obtusata (Michx.) Scribn.
Annotated by C. L. Porter on 3/8/1937. RM-130455 E. J. Bell s.n. 19 7 1924 U.S.A. Montana Dawson Glendive. Flowering N N 69 RM 772232 Missouri Plateau RM 121567 Poaceae Sphenopholis obtusata (Michx.) Scribn. 2. Sphenopholis obtusata (Michx.) Scribn.
Annotated by C. L. Porter on 3/8/1933. RM-125776 Frank A. Spragg 466 19 7 1901 U.S.A. Montana Fergus Denton. Flowering N N 70 RM 772233 Missouri Plateau RM 150580 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Eatonia obtusata A. Gray. RM-127514 C. L. Shear s.n. 1 8 1895 U.S.A. Montana Silver Bow Melrose. Flowering N N 71 RM 772234 Missouri Plateau USFS 427980 Poaceae Sphenopholis obtusata (Michx.) Scribn. 2. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Jason R. Swallen. RM-130456 E. J. Woolfolk W-52 30 8 1937 U.S.A. Montana Custer U.S. Range Livestock Experiment Station: draw below Fossil Spring. Moderate south slope; wet rocky loam soil. 2600 ft. T6N R43E S9 Few plants. Flowering N N 72 RM 772235 Missouri Plateau USFS 427995 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn. var. lobata (Trin.) Scribn.
Annotated by James C. Whitham. RM-125408 James C. Whitham 538 7 8 1921 U.S.A. Montana Rosebud Custer National Forest: Poker Jim Ranger Station. Pasture; west slope; gravelly loam soil near creek. 3400 ft. Scattered and rare. Flowering N N 73 RM 772236 Missouri Plateau RM 9725 Poaceae Sphenopholis obtusata (Michx.) Scribn. 4. Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
Annotated by Bonnie Heidel in 1996. RM-130457 F. Lamson-Scribner 381 9 7 1883 U.S.A. Montana Gallatin 16 Mile Creek. 4500 ft. Flowering N N 74 RM 772237 Missouri Plateau RM 150582 Poaceae Sphenopholis obtusata (Michx.) Scribn. 2. Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
Annotated by Bonnie Heidel in 1996. RM-125229 C. L. Shear 517 27 7 1895 U.S.A. Montana Gallatin Logan. Flowering N N 75 RM 772421 Missouri Plateau RM 521026 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Gary E. Larson. RM-123774 Gary E. Larson 8986 30 6 1983 U.S.A. South Dakota Deuel Peg Munky Run. Wet meadow bordering stream. T113N R50W S24 NE1/4 Common. Flowering N N 76 RM 772422 Missouri Plateau RM 346257 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Gary E. Larson. RM-67459 Gary E. Larson 7916 15 7 1982 U.S.A. South Dakota Bennett LaCreek National Wildlife Refuge: Lake Creek. Low bank of slow-flowing channel of creek, common. 3015 ft. 43.0935° N, 101.5506° W; uncertainty 0.5 mi. T36N R36W S15 SW1/4 43.0935 -101.5506 1 mi. Occasional. Flowering N N 77 RM 772426 Missouri Plateau RM 604870 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Ralph H. Imler on 7/19/1938. RM-125283 Ralph H. Imler 4118 19 7 1938 U.S.A. Nebraska Garden Crescent Lake Refuge. 3800 ft. Flowering N N 78 RM 772427 Missouri Plateau RM 604872 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Neil Hotchkiss. RM-130544 Neil Hotchkiss 6640 12 7 1941 U.S.A. North Dakota Ward Upper Des Lacs Lake: S of Jonas Johnson Mine. Patch near weedy margin of former lake bed. Flowering N N 79 RM 772428 Missouri Plateau RM 189449 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by O. A. Stevens. RM-130545 O. A. Stevens 430 16 7 1939 U.S.A. North Dakota Pierce Esmond: Big Coulee. Abundant. Flowering N N 80 RM 772429 Missouri Plateau RM 154055 Poaceae Sphenopholis obtusata (Michx.) Scribn. 2. Sphenopholis obtusata (Michx.) Scribn.
Annotated by C. L. Porter in 1943. RM-130546 W. B. Bell 393 26 7 1906 U.S.A. North Dakota Williams Willison. Flowering N N 81 RM 772430 Missouri Plateau RM 39269 Poaceae Sphenopholis obtusata (Michx.) Scribn. 2. Sphenopholis obtusata (Michx.) Scribn.
Annotated by C. L. Porter on 7/26/1933. RM-125272 J. Lunell s.n. 7 7 1901 U.S.A. North Dakota Benson Near Leeds. Prairies. Flowering N N 82 RM 772431 Missouri Plateau RM 51571 Poaceae Sphenopholis obtusata (Michx.) Scribn. 2. Sphenopholis obtusata (Michx.) Scribn.
Annotated by C. L. Porter on 3/8/1933. RM-130547 J. Lunell s.n. 9 8 1904 U.S.A. North Dakota Benson Leeds. In low soil. Flowering N N 83 RM 772432 Missouri Plateau RM 51572 Poaceae Sphenopholis obtusata (Michx.) Scribn. 2. Sphenopholis obtusata (Michx.) Scribn.
Annotated by C. L. Porter on 3/8/1933. RM-130548 J. Lunell s.n. 7 7 1907 U.S.A. North Dakota Benson Leeds. In rich soil. Flowering N N 84 RM 772433 Missouri Plateau RM 24548 Poaceae Sphenopholis obtusata (Michx.) Scribn. 2. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Alan A. Beetle on 9//1946. RM-122982 C. C. Schmidt s.n. 14 7 1898 U.S.A. North Dakota Stutsman Jamestown. Flowering N N 85 RM 772434 Missouri Plateau RM 61879 Poaceae Sphenopholis obtusata (Michx.) Scribn. 2. Sphenopholis obtusata (Michx.) Scribn.
Annotated by C. L. Porter on 3/8/1933. RM-130549 S. A. Skinner 159 U.S.A. South Dakota no county From damp shady places. Flowering N N 86 RM 772435 Missouri Plateau RM 61880 Poaceae Sphenopholis obtusata (Michx.) Scribn. 2. Sphenopholis obtusata (Michx.) Scribn.
Annotated by C. L. Porter on 3/8/1933. RM-130550 S. A. Skinner 28 U.S.A. South Dakota no county In moist ground. Flowering N N 87 RM 772436 Missouri Plateau RM 394062 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Gary E. Larson. RM-123043 9243 15 7 1983 U.S.A. South Dakota Marshall Buffalo Lake Public Access Area on west side of lake. Sandy, gravelly lake shore. T125N R53W S17 SE1/4 Common. Flowering N N 88 RM 772437 Missouri Plateau RM 394305 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Gary E. Larson. RM-121711 Gary E. Larson 9319 16 7 1983 U.S.A. South Dakota Marshall South end of South Red Iron Lake (aka Cottonwood Lake). Sandy, gravelly drainage way into lake, among Typha sp. T126N R53W S32 NE1/4 Common. Flowering N N 89 RM 772438 Missouri Plateau RM 190108 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Howard C. Reynolds. RM-123431 Howard C. Reynolds 1438 22 6 1940 U.S.A. Nebraska Richardson Missouri River, SE of Rulo. River bottom. 857 ft. Flowering N N 90 RM 772439 Missouri Plateau RM 177728 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Eatonia obtusata A. Gray
Annotated by Harry Hapeman. RM-130551 Harry Hapeman s.n. 6 1892 U.S.A. Nebraska Kearney Minden. Flowering N N 91 RM 772440 Missouri Plateau RM 177727 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Eatonia obtusata A. Gray
Annotated by N. P. Tulen. RM-123339 N. P. Tulen s.n. 15 7 1893 U.S.A. Nebraska Hooker Near Mullen: in Middle Loup River. Flowering N N 92 RM 772441 Missouri Plateau RM 527972 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Ralph E. Brooks. RM-121214 Ralph E. Brooks 15994 29 6 1982 U.S.A. Nebraska Webster 2 mi N of Amboy, W of county road and E of railroad. Large spring fed marsh. Flowering N N 93 RM 772442 Missouri Plateau RM 289496 Poaceae Sphenopholis obtusata (Michx.) Scribn. 1. Sphenopholis obtusata (Michx.) Scribn.
Annotated by Harry Hapeman. RM-130552 Harry Hapeman 842 15 6 1922 U.S.A. Nebraska Kearney Minden: Platte River. Sand bars. Flowering N N 94 RM 781101 So Rocky Mts RM 841189 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-133945 Dina Clark 2510 Renee Rondeau 10 7 2007 U.S.A. Colorado Lincoln Ranchland approx. 9 mi S of Highway 94: and 1 mi W of 11 road, along the Steels Fork near a series of springs and former check dams. Edge of standing water with Schoenoplectus lacustris, S. pungens, and Typha. 5050 ft. zone 13S, 602433E, 4280409N; NAD 83, Specimen Label T16S R57W S18 NE1/4 7.5' Peace Valley Quad Flowering N N 95 RM 815433 Ebertowski 2011 USFS 892233 USFS0069087 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-146329 Peter J. Ebertowski 9019 Katie Driver 16 8 2011 U.S.A. Wyoming Converse Thunder Basin National Grassland: Power River Basin: Sand Creek, ca 20 air mi NW of Bill; ca 26 air mi SW of Wright. Bank in wide, low floodplain with Calamagrostis canadensis, Juncus. 4850 ft. zone 13N, 449928E, 4803030N; NAD83 T39N R73W S3; also S4 1000 m. Fruiting N USFS0069087 N 96 RM 823953 Charboneau 2011 RM Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-142330 Joseph L. M. Charboneau 8404 31 7 2011 U.S.A. Montana Phillips Bennett Lake, just W of intersection of Content Road and Sun Prairie Road, ca 5.5 air mi SSW of Drabbels Reservoir, ca 13.5 air mi N of Beaver Creek, ca 11 air mi SSE of Malta. Moist areas around edge of reservoir. 2600 2610 ft. 48.2141° N, 107.7905° W; NAD 83, GPS reading T28N R30E S1 NE1/4 48.2141 -107.7905 NAD 83 GPS reading Flowering N 97 RM 851974 Heidel 2006 RM 799677 RM0058841 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-152556 Bonnie Heidel 2874 5 8 2006 U.S.A. Wyoming Niobrara Eastern Plains: Niobrara River Valley, ca 2.5 air mi W of Van Tassell, Niobrara River, McMaster Reservoir. Terrace above river channel within broad, open valley, on moist, sandy loam; with Agrostis stolonifera, Elymus trachycaulus, and Schoenoplectus pungens. 4750 ft. 42.6724° N, 104.13° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T31N R61W S12 SE1/4 42.6724 -104.13 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Uncommon. Fruiting N RM0058841 N 98 RM 852241 Heidel 2012 RM 909915 RM0061891 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-152703 Bonnie Heidel 3661 19 7 2012 U.S.A. Wyoming Crook Black Hills: Devils Tower National Monument: ca 2 mi SW of entrance, along Belle Fourche River, W of campground. Edge of gravel bar, with Fraxinus pensylvanica, Carex blanda, and Bromus inermis. 3860 ft. T53N R65W S18 SW1/4 NW1/4 Flowering and Fruiting N RM0061891 N 99 RM 864497 Dorn 2013 RM 914503 RM0199764 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-154862 Robert D. Dorn 10824 3 8 2013 U.S.A. Wyoming Goshen Ca 5 mi NE of Lingle. Wet meadow, with Rumex and Schoenoplectus acutus. 4300 ft. 42° 10.5' N, 104° 16.5' W; unknown, , Specimen Label 42.175 -104.275 unknown N GPS reading Flowering and Fruiting N RM0199764 N 100 RM 87198 Refsdal 1994 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-13582 C. H. Refsdal 2364 Duane Atwood and Lucy Jordan 2 8 1994 U.S.A. Utah Daggett Southwestern Wyoming and Adjacent Utah: Grasshopper Island in the Green River, ca 11 air mi E of Dutch John. Shoreline. 5460 ft. T2N R23E S14 N1/2 40.9088 -109.2902 1 mi. Calc. from TRS Fruiting N N 101 RM 903817 RMHERB2 RM 366633 RM0199784 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-56569 Steve Kilpatrick RH139 J. L. Robinson 20 7 1982 U.S.A. Wyoming Goshen Wyoming Game and Fish Department's Rawhide unit along the North Platte River, ca 2.3 air mi S of Lingle, ca 8.5 air mi WNW of Torrington. Pond area. 4100 ft. 42.1055° N, 104.3395° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T25N R62W S29 SW1/4 SW1/4 42.1055 -104.3395 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N RM0199784 N 102 RM 93052 Refsdal 1995 Poaceae Sphenopholis obtusata (Michx.) Scribn. RM-13818 C. H. Refsdal 6468 Barbara McNight 1 8 1995 U.S.A. Utah Daggett Southwestern Wyoming and Adjacent Utah: Browns Park: Green River, ca 12.2 air mi ESE of Dutch John. River's edge, mostly sandy, Salix, Carex. 5400 ft. T2N R25E S31 NW1/4; also T2N R24E NE1/4 S36 40.8653 -109.1373 1 mi. Calc. from TRS Flowering and Fruiting N N