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 129958 Evert 2003 RM 912023 RM0068105 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-15044 Erwin F. Evert 40190 29 6 2003 U.S.A. Wyoming Park Yellowstone Plateau: Yellowstone National Park: Artists Paint Pots thermal area, ca 4 mi SW of Norris Junction. On sinter with Dichanthelium acuminatum, Pteridium aquilinum var. latiusculum, and Vaccinium cespitosum. 7400 ft. T54N R115W S4; also S5 44.6927 -110.7379 NAD 83 0 mi. N N Nat. Geog. TOPO! BEN Vegetative N RM0068105 N 2 RM 151946 Evert 1996 RM 788552 RM0127580 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-16397 Erwin F. Evert 32339 27 7 1996 U.S.A. Wyoming Teton Teton Range: Grand Teton National Park: along Trapper Lake inlet stream. Spruce forest just north of lake with Calamagrostis canadensis, Platanthera dilatata, and Arnica mollis. 6940 ft. 43.8345° N, 110.7243° W T45N R116W S25 43.8345 -110.7243 Vegetative N RM0127580 N 3 RM 158196 Flaig 2003 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller 1. Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller
Annotated by Jeanette Flaig. RM-16678 B. E. Nelson 59528 17 7 2003 U.S.A. Colorado La Plata Eastern San Juan Mountains: N of Vallecito Reservoir on the west slope of Middle Mountain along Forest Road 724, N and S of Berri Creek, ca 16.5 air mi N of Bayfield. Along moist, rocky channel in aspen/white fir forest. 8240 8560 ft. 37.4619° N, 107.5379° W T37N R6W S21 E1/2 37.4619 -107.5379 N N 4 RM 158895 Flaig 2003 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-16703 Jeanette Flaig 1520 24 7 2003 U.S.A. Colorado Mineral Eastern San Juan Mountains: San Juan National Forest: Fourmile Trail, ca 11 air mi N of Pagosa Springs. Spruce, fir, and aspen forest by stream. 9180 11185 ft. 37.4091° N, 107.053° W T37N R2W S2 E1/2; 3; also SW1/4 of SW1/4 and NW1/4 of NW1/4 of SE1/2 S14, SE1/4 of SE1/4 and NE1/4 of NE1/4 S11, W center 1/4 S12; also SW1/4 S2 37.4091 -107.053 Vegetative N N 5 RM 160261 Flaig 2003 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-16754 Jeanette Flaig 2736 16 8 2003 U.S.A. Colorado Archuleta Eastern San Juan Mountains: San Juan National Forest: U.S. Hwy 160 W to Forest Road 620 then ca 4 road mi NNW; ca 21 air mi W of Pagosa Springs. Central Roadside and grazed opening in ponderosa pine forest. 7170 ft. 37.2684° N, 107.3797° W T35N R5W S35 E1/4 37.2684 -107.3797 Vegetative N N 6 RM 160466 Flaig 2003 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-16759 Jeanette Flaig 2918 19 8 2003 U.S.A. Colorado Archuleta Eastern San Juan Mountains: San Juan National Forest: Coal Creek Trailhead: U.S. Hwy 160 W to Fawn Gulch Road; ca 6 air mi E of Pagosa Springs. Douglas fir, ponderosa pine and aspen forest with Quercus understory. 8535 8730 ft. 37.3234° N, 106.875° W T36N R1E S31; SE1/4 S36; also T36N R1E S31 NW1/4, SE1/4 S30, NW1/4 and SW1/4 S29, SE1/4 S20 37.3234 -106.875 Vegetative N N 7 RM 162281 Flaig 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller 1. Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller
Annotated by Jeanette Flaig. RM-16829 B. E. Nelson 62344 11 8 2004 U.S.A. Colorado Archuleta Eastern San Juan Mountains: Tierra Amarilla Grant: along Archuleta Creek and Archuleta or Trail 124, ca 2 air mi W of Rio Chama, ca 28 air mi SE of Pagosa Springs. Along trail in spruce/corkback fir/aspen woods. 9400 9800 ft. 37.0521° N, 106.5919° W; GPS Reading T33N R3E S36 W1/2 37.0521 -106.5919 GPS Reading Vegetative N N 8 RM 162395 Flaig 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller 1. Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller
Annotated by Jeanette Flaig. RM-16832 B. E. Nelson 62458 13 8 2004 U.S.A. Colorado Archuleta Eastern San Juan Mountains: along the Little Navajo River at Trail 577 crossing and vicinity, ca 2 air mi NW of Navajo Peak, ca 17 air mi SE of Pagosa Springs. Slopes and meadows with snowberry. 8950 9050 ft. 37.1073° N, 106.7695° W; GPS Reading T33N R2E S7 SE1/4 37.1073 -106.7695 GPS Reading Vegetative N N 9 RM 162500 Flaig 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller 1. Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller
Annotated by Jeanette Flaig. RM-16834 B. E. Nelson 62562 15 8 2004 U.S.A. Colorado Archuleta Eastern San Juan Mountains: Opal Lake and vicinity, ca 1.5 air mi SW of Flattop Mountain, ca 15 air mi ESE of Pagosa Springs. In and at the edge of spruce/aspen forest. 9200 9240 ft. 37.1955° N, 106.7497° W; GPS Reading T34N R2E S9 SW1/4 37.1955 -106.7497 GPS Reading Vegetative N N 10 RM 162605 Flaig 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller 1. Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller
Annotated by Jeanette Flaig. RM-16835 B. E. Nelson 62667 15 8 2004 U.S.A. Colorado Archuleta Eastern San Juan Mountains: northeast end of Mesa Cortado, S of U.S. Hwy 84, ca 17.5-18 air mi SE of Pagosa Springs. Douglas fir/white fir/aspen on lower slopes. 7800 8300 ft. 37.0727° N, 106.8505° W; GPS Reading T33N R1E S28 N1/2 37.0727 -106.8505 GPS Reading Vegetative N N 11 RM 162804 Flaig 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller 1. Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller
Annotated by Jeanette Flaig. RM-16841 B. E. Nelson 62865 18 8 2004 U.S.A. Colorado Archuleta Eastern San Juan Mountains: along Forest Road 537 at and just below junction with Forest Road 756 along a tributary of Spring Creek, ca 10 air mi NE of Ignacio; ca 7 air mi ESE of Bayfield. Brushy thickets. 8450 8650 ft. 37.1912° N, 107.4775° W; GPS Reading T34N R6W S14 W1/4 37.1912 -107.4775 GPS Reading Vegetative N N 12 RM 163677 Flaig 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-16887 Jeanette Flaig 3775 9 6 2004 U.S.A. Colorado Archuleta Eastern San Juan Mountains: San Juan National Forest: along Forest Road 663, ca 2 air mi SW of V Rock, ca 15 air mi SE of Pagosa Springs. Oak woodland. 8730 ft. 37.1068° N, 106.8204° W; GPS Reading T33N R1E S11 SW1/4 of SW1/4 37.1068 -106.8204 GPS Reading Vegetative N N 13 RM 164966 Flaig 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-16930 Jeanette Flaig 5051 28 6 2004 U.S.A. Colorado Archuleta Eastern San Juan Mountains: San Juan National Forest: Forest Road 135, E of Rocky Canyon, ca 12 air mi NE of Bayfield. Dense mixed conifer and aspen forest. 9177 ft. 37.3314° N, 107.4509° W; GPS Reading T35N R5W S5 SW1/4; also NE1/4 of NW1/4 S8 37.3314 -107.4509 GPS Reading Vegetative N N 14 RM 167469 Flaig 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-17017 Jeanette Flaig 7540 8 8 2004 U.S.A. Colorado Hinsdale Eastern San Juan Mountains: San Juan National Forest: Weminuche Wilderness: Pine Creek Trail, Los Pinos River. Seep. 8065 8258 ft. 37.474° N, 107.4507° W to 37.4992° N, 107.4344° W; GPS Reading T37N R5W S4 SW1/4 37.474 -107.4507 GPS Reading Vegetative N N 15 RM 168424 Flaig 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller 1. Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller
Annotated by Jeanette Flaig. RM-17047 Ronald L. Hartman 79714 15 7 2004 U.S.A. Colorado Archuleta Eastern San Juan Mountains: Rio Grande National Forest: campground on Rio Chama W ca 1 air mi along Archuleta Creek. Spruce/fir and aspen forest on slopes, alder and willow along streams; along the creek. 8780 9200 ft. 37.032° N, 106.5536° W to 37.0394° N, 106.5798° W; GPS Reading T32N R3E S1 37.032 -106.5536 GPS Reading Vegetative N N 16 RM 173870 Foley 2003 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-17159 Erin Foley 5327 18 8 2003 U.S.A. Colorado Clear Creek Arapaho National Forest: Front Range: Mount Evans Wilderness Trail: Lost Creek, ca 9.5 air mi S of Idaho Springs. Rocky slopes. 8800 9080 ft. 39.6033° N, 105.5219° W; GPS Reading T5S R73W S23 39.6033 -105.5219 GPS Reading Vegetative N N 17 RM 175544 Foley 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-17195 Erin Foley 10290 18 7 2004 U.S.A. Colorado Grand Arapaho National Forest: Indian Peaks Wilderness: Front Range: Roaring Fork SW of Hiamovi Mountain, ca 9 air mi SE of Grand Lake and ca 13 air mi ENE of Granby. Along fork. 10200 11900 ft. 40.1538° N, 105.7286° W to 40.1556° N, 105.7026° W; GPS Reading T2N R74W S7 N1/2; also N1/2 S8, S1/2 S6, S1/2 S5 40.1538 -105.7286 GPS Reading Vegetative N N 18 RM 177358 Foley 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-17229 Erin Foley 12090 25 8 2004 U.S.A. Colorado Grand Arapaho National Forest: Indian Peaks Wilderness: Front Range: Buchanan Creek, ca 15 air mi ENE of Granby and ca 9 air mi WNW of Ward. Along Creek 9400 10200 ft. 40.1226° N, 105.6775° W to 40.1291° N, 105.673° W; GPS Reading T2N R74W S21 N1/2; also NW1/4 S22 and SW1/4 S15 40.1226 -105.6775 GPS Reading Vegetative N N 19 RM 202105 Holt 2000 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-19386 Emily A. Holt 2154 13 7 2000 U.S.A. Colorado Eagle Central Colorado: Gore Range, West Slope Continental Divide: Big Horn Creek area, on Forest Service Trail 2013, ca 4 air mi E of Vail. Aspen to spruce-fir to montane meadow/scree. 8600 10600 ft. 39.6456° N, 106.2965° W T5S R80W S1; 2 and T4S R79W S31 and S32 39.6456 -106.2965 Spores N N 20 RM 203553 Holt 2000 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-19426 Emily A. Holt 3454 Brian Elliott 6 8 2000 U.S.A. Colorado Eagle Central Colorado: Sawatch Range, West Slope Continental Divide: along East Lake Creek Trail 1880, ca 5 air mi S of Edwards. Aspen woodland. 8200 9400 ft. 39.5563° N, 106.5612° W T6S R82W S4; also T5S R82W S32 and S33 39.5563 -106.5612 Vegetative N N 21 RM 208526 Holt 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-19608 Emily A. Holt 6944 18 7 2001 U.S.A. Colorado Eagle Central Colorado: Sawatch Range, West Slope Continental Divide: along Reudi Trail at west end of reservoir, to second powerline crossing from trailhead, ca 11.5 air mi E of Basalt. Dense aspen woodland with interspersed lodgepole. 8000 8600 ft. 39.3724° N, 106.8133° W T8S R84W S7 39.3724 -106.8133 Vegetative N N 22 RM 209478 Holt 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-19633 Emily A. Holt 7896 14 8 2001 U.S.A. Colorado Eagle Central Colorado: Gore Range, West Slope Continental Divide: along Gore Creek Trail 2015, from Wilderness sign E ca 2.5 mi, ca 7 air mi E of Vail. Mixed forest with aspen, lodgepole, spruce-fir and Douglas Fir. 9000 10000 ft. 39.6312° N, 106.2589° W T5S R79W S8; also S9 and S10 39.6312 -106.2589 Vegetative N N 23 RM 221044 Kastning CO Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-20055 Nancy Kastning 1737 20 6 1989 U.S.A. Colorado Jackson Sierra Madre/Park Ranges: Park Range: ca 23 air mi NW of Walden by Big Creek Falls. In shady places. 9100 9400 ft. T11N R82W S19; also S20 N N 24 RM 221617 Kastning CO Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-20074 Nancy Kastning 2322 Diane Fraser 18 7 1989 U.S.A. Colorado Routt Sierra Madre/Park Ranges: Park Range: ca 22 air mi NW of Kremmling by Service Creek. Lodgepole pine forest. 8600 9170 ft. T3N R83W S3; also S4 N N N N 25 RM 222312 Kastning CO Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-20095 B. E. Nelson 17611 Steven Nelson 3 8 1989 U.S.A. Colorado Routt Sierra Madre\Park Range: Park Range: along Service Creek ca 4 air mi above the Yampa River, ca 15.5 air mi SSE of Steamboat Springs. Low wet area along stream. 8400 ft. 40.2748° N, 106.7439° W T4N R83W S31 40.2748 -106.7439 N N 26 RM 222487 Kastning CO Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-20105 B. E. Nelson 17786 Michelle Nelson 6 8 1989 U.S.A. Colorado Routt Sierra Madre\Park Range: Park Range: Routt National Forest: Dry Lake above Soda Creek, ca 4.5 air mi NE of Steamboat Springs. Open aspen woods. 8200 ft. 40.536° N, 106.7786° W T7N R84W S26 40.536 -106.7786 N N 27 RM 223761 Kastning CO Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-20167 Nancy Kastning 1737 Heather & Joel Kastning 20 6 1989 U.S.A. Colorado Jackson Sierra Madre\Park Range: Park Range: ca 23 air mi NW of Walden by Big Creek Falls. In shady places. 9100 9400 ft. 40.9084° N, 106.6479° W T11N R82W S19; also S20 40.9084 -106.6479 N N 28 RM 224334 Kastning CO Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-20191 Nancy Kastning 2322 Diane Fraser 18 7 1989 U.S.A. Colorado Routt Sierra Madre\Park Range: Park Range: ca 22 air mi NW of Kremmling by Service Creek. Lodgepole pine forest. 8600 9170 ft. 40.2601° N, 106.6865° W T3N R83W S3; also S4 40.2601 -106.6865 N N 29 RM 224894 Kastning CO RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-20211 Neil Snow 4825 3 8 1989 U.S.A. Colorado Routt Sierra Madre\Park Range: Park Range: vicinity of Mad Creek Trail, ca 7 air mi NNW of Steamboat Springs. Near trail. 6900 8300 ft. 40.5791° N, 106.8732° W T7N R85W S12; also S1 40.5791 -106.8732 N N 30 RM 313817 Moore 1995 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-24852 Lynn Marie Moore 6479 8 7 1995 U.S.A. Colorado Montezuma Upper Dolores River Drainage and Adjacent Areas: San Juan National Forest: Forest Trail 607, S of Colo. HWY 145, ca 16 air mi NE of Dolores on Morrison Trail, Bear Creek Drainage. Spruce, aspen, douglas fir, boxelder, and snowberry in a north facing canyon and drainage. 8000 9600 ft. 37.5669° N, 108.2047° W T38N R12W S8; also S17 37.5669 -108.2047 Vegetative N N 31 RM 315640 Moore 1995 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-24888 Lynn Marie Moore 8275 Sierra Smith 1 8 1995 U.S.A. Colorado Dolores Upper Dolores River Drainage and Adjacent Areas: San Juan National Forest: ca 5 air mi NW of Rico along Geyser Creek Trail, Forest Trail 648. Aspen, spruce, snowberry, larkspur, and riparian area along creek and natural geyser, northwest face. 8600 9200 ft. 37.7571° N, 108.1139° W T40N R11W S6 37.7571 -108.1139 Vegetative N N 32 RM 317063 Kastning CO Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-20055 Nancy Kastning 1737 20 6 1989 U.S.A. Colorado Jackson Sierra Madre/Park Ranges: Park Range: ca 23 air mi NW of Walden by Big Creek Falls. In shady places. 9100 9400 ft. T11N R82W S19; also S20 N N 33 RM 332564 Nunn 2001 RM 771842 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-29624 Sarah Nunn 3061 20 7 2001 U.S.A. Colorado Larimer Roosevelt National Forest: Medicine Bow Mountains: Rawah Wilderness: from trailhead on Laramie River Road (County Road 103), ca 42 air mi NW of Fort Collins. Lodgepole pine forest with Vaccinium and Mahonia understory and intermittent streams; east facing slope. 8800 9400 ft. 40.7363° N, 105.9052° W; uncertainty 1 mi. T9N R76W S15 South1/2 40.7363 -105.9052 1 mi. Spores N N 34 RM 334799 Nunn 2001 RM 771841 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-29723 Sarah Nunn 5242 15 9 2001 U.S.A. Colorado Larimer Roosevelt National Forest: Medicine Bow Mountains: Rawah Wilderness: Link Trail from MacIntyre/Link Trailhead off County Road 80C, ca 43 air mi NW of Fort Collins. Aspen groves in spruce-fir forest, and along creek. 8500 9300 ft. 40.7941° N, 105.9608° W; uncertainty 0.5 mi. T9N R77W S1 NW1/4 40.7941 -105.9608 1 mi. Vegetative N N 35 RM 335576 Porter RM 138230 RM0127607 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-29894 C. L. Porter 1231 4 8 1932 U.S.A. Wyoming Teton Double Diamond Ranch. Common in dense aspen woods. 6700 ft. 43.7064° N, 110.7377° W; NAD 83, uncertainty 0.5 mi., Digital Map T43N R116W S11 43.7064 -110.7377 NAD 83 1 mi. Digital Map Located west of the DDR in the hills; geo-locate.org. EL Spores N RM0127607 N 36 RM 341053 Porter RM 260287 RM0127606 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-32236 C. L. Porter 7833 Marjorie W. Porter 24 6 1959 U.S.A. Wyoming Crook Bear Lodge Range: between Alva and Aladdin. Brushy hillsides. 4800 ft. 44.6582° N, 104.3205° W; NAD 83, uncertainty 3 mi., Digital Map T54N R62W S20 44.6582 -104.3205 NAD 83 3 mi. Digital Map Located between Alva and Aladdin on WY Hwy 24, ca 7.5 miles east of Alva; ca 0.5 air miles south of Pearson Spring; ca 1.25 air miles east of the Little Beaver Creek; geo-locate.org. EL Spores N RM0127606 N 37 RM 357759 RMHERB1 RM 52392 RM0127598 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-24243 Aven Nelson 1601 6 8 1895 U.S.A. Wyoming Albany Laramie Peak. 7600 7900 ft. 42.2554° N, 105.4891° W; uncertainty 5 mi. T26N R72W S4 42.2554 -105.4891 5 mi. Vegetative N RM0127598 N 38 RM 357760 RMHERB1 RM 5632 RM0127597 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-24243 Aven Nelson 1601 6 8 1895 U.S.A. Wyoming Albany Laramie Peak. 7600 7900 ft. 42.2554° N, 105.4891° W; uncertainty 5 mi. T26N R72W S4 42.2554 -105.4891 5 mi. Vegetative N RM0127597 N 39 RM 358147 RMHERB1 RM 8691 RM0127602 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-34666 Aven Nelson 2662 18 8 1896 U.S.A. Wyoming Albany Centennial Valley 8100 ft. 41.2684° N, 106.1373° W; uncertainty 2 mi. T15N R78W S15 41.2684 -106.1373 2 mi. Spores N RM0127602 N 40 RM 359720 RMHERB1 RM 20090 RM0127605 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-35532 Aven Nelson 6733 Elias Nelson 28 8 1899 U.S.A. Wyoming Park Yellowstone National Park: Gibbon Canyon. Very abundant in shaded nooks in the canyon. 4700 7500 ft. 44.6888° N, 110.7515° W; uncertainty 3 mi. T54N R115W S5.; also S8 44.6888 -110.7515 3 mi. Y Y Spores N RM0127605 N 41 RM 360069 RMHERB1 RM 29558 RM0127604 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-35710 Aven Nelson 7518 10 7 1900 U.S.A. Wyoming Albany Laramie Peak. In the deep, damp woods. 7600 7900 ft. 42.2554° N, 105.4891° W; uncertainty 5 mi. T26N R72W S4 42.2554 -105.4891 5 mi. Spores N RM0127604 N 42 RM 365233 RMHERB1 RM 88650 RM0127608 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-39437 Edwin B. Payson 2275 Lois B. Payson 11 8 1920 U.S.A. Wyoming Teton Jacksons Hole between Jenny and Leighs lakes. Creek bank. 6700 ft. 43.7977° N, 110.7258° W; NAD 83, uncertainty 1 mi., Digital Map T44N R116W S12 43.7977 -110.7258 NAD 83 1 mi. Digital Map Located in the inlet of Leigh Lake near Boulder Island; geo-locate.org. EL Spores N RM0127608 N 43 RM 366759 RMHERB1 RM 31963 RM0128197 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-40367 Elmer D. Merrill 923 E. N. Wilcox 24 7 1901 U.S.A. Wyoming Teton Leighs Lake. Damp ground. 6800 ft. 43.8201° N, 110.725° W; uncertainty 3 mi. T45N R116W S36 43.8201 -110.725 3 mi. Y Y Spores N RM0128197 N 44 RM 372385 Evert 1985 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller
Annotated by Kelly K. Hughes in 1999. RM-15245 Erwin F. Evert 8109 8 7 1985 U.S.A. Wyoming Sheridan Big Horn Mountains: just W of Story Fish Hatchery buildlings and ponds. Under Pinus ponderosa with understory of Acer glabrum and Crataegus columbiana on an east-facing slope with calcareous, clayey soil. 5420 5600 ft. 44.5701° N, 106.9175° W T53N R84W S13 44.5701 -106.9175 1 mi. N N 45 RM 383271 RMHERB1 RM 135214 RM0127599 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-47645 Louis O. Williams 1323 22 7 1933 U.S.A. Wyoming Teton Grand Teton National Park: Bradley Creek. Moist places in timber. 7000 ft. 43.714° N, 110.7445° W; NAD 83, uncertainty 0.5 mi., Digital Map T43N R116W S2 43.714 -110.7445 NAD 83 1 mi. N Y Digital Map Located on the creek, east of Bradley Lake, and north of the Double Diamond Ranch; geo-locate.org. EL Spores N RM0127599 N 46 RM 383341 RMHERB1 RM 124633 RM0127603 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-47705 Louis O. Williams 174 Rua Pierson 21 6 1931 U.S.A. Wyoming Teton Along Bradley Creek. 7000 ft. 43.714° N, 110.7424° W; NAD 83, uncertainty 0.75 mi., Digital Map T43N R116W S2 43.714 -110.7424 NAD 83 1 mi. Digital Map Located on stream coming out of Bradley Lake; east side of lake; geo-locate.org. EL Sheet contains one pond. Vegetative N RM0127603 N 47 RM 383656 RMHERB1 RM 129920 RM0127600 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-47925 Louis O. Williams 887 17 7 1932 U.S.A. Wyoming Teton Grand Teton National Park: Bradley Creek. 7000 ft. 43.7141° N, 110.7411° W; NAD 83, uncertainty 0.5 mi., Digital Map T43N R116W S2 43.7141 -110.7411 NAD 83 1 mi. Digital Map Located on the creek, east of Bradley Lake; NW from the Double Diamond Ranch; geo-locate.org. EL 3-4 ft tall. Spores N RM0127600 N 48 RM 383657 RMHERB1 RM 157528 RM0127601 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-47925 Louis O. Williams 887 17 7 1932 U.S.A. Wyoming Teton Grand Teton National Park: Bradley Creek. 7000 ft. 43.7141° N, 110.7411° W; NAD 83, uncertainty 0.5 mi., Digital Map T43N R116W S2 43.7141 -110.7411 NAD 83 1 mi. Digital Map Located on the creek, east of Bradley Lake; NW from the Double Diamond Ranch; geo-locate.org. EL 3-4 ft tall. Spores N RM0127601 N 49 RM 390580 RMHERB1 RM 546195 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-52721 Robert D. Dorn 5045 23 9 1989 U.S.A. Wyoming Albany 1 1/8 mi up Laramie Peak trail. Moist lodgepole pine with Mahonia and Chimaphila. 7800 ft. 42.2697° N, 105.4695° W; uncertainty 1 mi. T27N R72W S34 South1/2 42.2697 -105.4695 1 mi. Vegetative N N 50 RM 391260 RMHERB1 RM 601122 RM0127584 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-53280 Robert D. Dorn 6069 25 6 1995 U.S.A. Wyoming Natrona 5.5 mi SW of Esterbrook. Moist slope with Pinus ponderosa and Populus tremuloides. 6500 ft. 42.3558° N, 105.4303° W; uncertainty 0.5 mi. T28N R72W S36 NW1/4 42.3558 -105.4303 1 mi. Vegetative N RM0127584 N 51 RM 402007 RMHERB1 USFS 400016 USFS0066511 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-60092 Webster B. Jones 162 12 8 1970 U.S.A. Wyoming Albany Sheep Mountain: Hansen Gulch. Collected from moist areas under large rocks. 8500 ft. 41.211° N, 106.0036° W; uncertainty 1 mi. T14N R77W S2 41.211 -106.0036 1 mi. Spores N USFS0066511 N 52 RM 404647 RMHERB1 RM 546195 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-61951 Robert D. Dorn 5045 23 9 1989 U.S.A. Wyoming Albany 1 1/8 mi up Laramie Peak trail. Moist lodgepole pine with Mahonia and Chimaphila. 7800 ft. 42.2697° N, 105.4695° W; uncertainty 1 mi. T27N R72W S34 South1/2 42.2697 -105.4695 1 mi. Vegetative N N 53 RM 412972 Routt 2000 RM 759024 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-65356 Ronald L. Hartman 68090 11 7 2000 U.S.A. Colorado Routt North-central Colorado: Elkhead Mountains: trail to Sand Mountain, ca 5-8 air mi NW of Clark. Aspen and conifer forests. 8300 10000 ft. 40.7516° N, 106.9872° W T9N R86W S12; also S11, S10, S9 40.7516 -106.9872 Vegetative N N 54 RM 417254 Routt 2001 RM 763956 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-65456 B. E. Nelson 56363 28 8 2001 U.S.A. Colorado Routt North-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 14 air mi N of Steamboat Springs. Aspen forest. 8520 8760 ft. 40.6796° N, 106.8732° W; uncertainty 1 mi. T8N R85W S1 N1/2 40.6796 -106.8732 1 mi. Vegetative N N 55 RM 424346 Scott 2006 RM 834492 RM0012317 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller 1. Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller
Annotated by David Scott. RM-65533 B. E. Nelson 68676 10 6 2006 U.S.A. Wyoming Teton Grand Teton National Park and Vicinity: Teton Range: from the junction with the Valley Trail along Death Canyon Trail at the lower end and mouth of Death Canyon, ca 4-5 air mi W of Moose; ca 13 air mi N of Jackson. Brushy canyon bottom. 6800 7200 ft. 43.6581° N, 110.8195° W to 43.6549° N, 110.8049° W; GPS Reading T43N R116W S30 South 1/4 43.6581 -110.8195 NAD 83 GPS Reading Spores N RM0012317 N 56 RM 45887 Packer 1997 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-12295 B. A. Packer 2359 J. Brondum and T. McGowan 29 7 1997 U.S.A. Wyoming Albany Laramie Range: Baldy Knob, ca 25 air mi S of Douglas. Creekside 7100 7420 ft. 42.2841° N, 105.3324° W T27N R71W S26 42.2841 -105.3324 Spores N N 57 RM 45931 Packer 1997 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-12296 B. A. Packer 2399 J. Brondum and T. McGowan 29 7 1997 U.S.A. Wyoming Albany Laramie Range: Soldier Creek, ca 20 air mi SW of Douglas. Along creek. 6230 6300 ft. 42.3701° N, 105.3324° W T28N R71W S26 42.3701 -105.3324 Spores N N 58 RM 49260 Packer 1997 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller 1. Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller
Annotated by B. A. Packer. RM-12374 B. E. Nelson 42708 14 8 1997 U.S.A. Wyoming Converse Laramie Range: School Section Mountain ca 1 mi W of Old Fort Fetterman or County Road 16, ca 18.5 air mi WNW of Esterbrook; ca 26 air mi SW of Douglas. Subalpine fir-aspen forest. 7600 7900 ft. 42.482° N, 105.7251° W T29N R74W S16 SW1/4 42.482 -105.7251 Vegetative N N 59 RM 503557 So Rocky Mts RM 157527 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-98486 Carl F. Baker 128 25 8 1899 U.S.A. Colorado Mineral Near Pagosa Peak. 9000 ft. Vegetative N N 60 RM 503558 So Rocky Mts RM 22678 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-98486 Carl F. Baker 128 25 8 1899 U.S.A. Colorado Mineral Near Pagosa Peak. 9000 ft. Vegetative N N 61 RM 503849 So Rocky Mts RM 31208 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-71872 Francis Ramaley 663 20 5 1901 U.S.A. Colorado Boulder Near Boulder. Spores N N 62 RM 503900 So Rocky Mts RM 157526 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-72189 George E. Osterhout 1676 10 7 1897 U.S.A. Colorado Larimer Moraine Park. Vegetative N N 63 RM 503903 So Rocky Mts RM 157520 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-72189 George E. Osterhout 1876B 10 7 1897 U.S.A. Colorado Larimer Moraine Park. Vegetative N N 64 RM 504070 So Rocky Mts RM 97495 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-73609 L. M. Schedin 298 N. T. Schedin U.S.A. Colorado La Plata Durango. Vegetative N N 65 RM 504082 So Rocky Mts RM 51789 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-98693 Leslie N. Goodding 1595 18 7 1903 U.S.A. Colorado Routt Rabbit Ears Pass. Aspen groves. Vegetative N N 66 RM 504143 So Rocky Mts RM 532461 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-98719 P. P. Douglas 1896 21 6 1988 U.S.A. Colorado Conejos 2.5 mi S of Dipping Lakes; 4 mi WSW of Red Lake. On disturbed sites of southwest exposure with Populus tremuloides and Pseudotsuga. 2900 m. T33n R3E S11 Vegetative N N 67 RM 504315 So Rocky Mts RM 393780 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-98812 Steve L. O'Kane Jr. 2255 16 8 1985 U.S.A. Colorado Douglas Mill Gulch: Roxborough State Park. Scattered in shady sites beneath Pseudotsuga. 2057 m. T7S R69W S23 Vegetative N N 68 RM 506969 Markow 1991 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-98942 B. E. Nelson 21522 Michelle Nelson 27 6 1991 U.S.A. Idaho Madison Targhee National Forest: Big Hole Mountains: S of Windy Ridge above Wolverine Creek, ca 16.5 air mi SE of Rexburg. Aspen woods. 6500 ft. T4N R42E S19 43.6585 -111.5553 1 mi. Calc. from TRS N N 69 RM 526581 Vanderhorst 1990 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-102289 B. E. Nelson 18858 21 6 1990 U.S.A. Colorado Rio Blanco Flat Tops/White River Plateau: above East Beaver Creek S of Ellison Mountain, ca 2.5 air mi NNE of Buford; ca 16.5 air mi E of Meeker. Aspen forest on easterly facing slope. 8200 8400 ft. 40.0262° N, 107.6062° W T1N R91W S28 40.0262 -107.6062 N N 70 RM 526666 Vanderhorst 1990 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-102297 B. E. Nelson 18943 22 6 1990 U.S.A. Colorado Rio Blanco Flat Tops/White River Plateau: along Jeep Trail 250 to Long Park N of the North Fork White River, ca 13 air mi NE of Buford; ca 28 air mi E of Meeker. Aspen woods. 7900 8100 ft. 40.0698° N, 107.3994° W T1N R89W S8 40.0698 -107.3994 N N 71 RM 527690 Vanderhorst 1990 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-102362 James P. Vanderhorst 1700 14 8 1990 U.S.A. Colorado Rio Blanco Flat Tops/White River Plateau: ridge between Big Beaver and Fawn creeks, ca 17 air mi E of Meeker. Dry meadows with clumps of aspen, spruce, and fir. 9100 ft. 40.0988° N, 107.5686° W T2N R91W S35 40.0988 -107.5686 N N 72 RM 527906 Vanderhorst 1990 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-102379 James P. Vanderhorst 1892 24 8 1990 U.S.A. Colorado Garfield Flat Tops/White River Plateau: Grizzly Creek, ca 4 air mi E of Glenwood Springs. Canyon bottom, with cottonwood, Douglas fir, spruce, and dogwood. 6000 6200 ft. 39.5714° N, 107.2493° W T5S R88W S34 39.5714 -107.2493 N N 73 RM 576220 Nelson Misc RM 329418 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller
Annotated by Walter Fertig in 1997. RM-104988 B. E. Nelson 4178 William Blunt 20 7 1979 U.S.A. Wyoming Carbon Sierra Madre/Park Ranges: Sierra Madre: ca 15 air mi SW of Encampment, ca 28.5 air mi E of Dixon. Moist aspen slopes. 8700 ft. 41.0383° N, 106.9922° W; uncertainty 1 mi. T12N R85W S6 41.0383 -106.9922 1 mi. Spores N N 74 RM 645988 RMHERB1 RM 601122 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-108731 Robert D. Dorn 6069 25 6 1995 U.S.A. Wyoming Natrona 5.5 mi SW of Esterbrook. Moist slope with Pinus ponderosa and Populus tremuloides. 6500 ft. 42.3558° N, 105.4303° W; uncertainty 0.5 mi. T28N R72W S36 NW1/4 42.3558 -105.4303 1 mi. Vegetative N N 75 RM 661200 Marriott 1984 RM 370864 RM0127581 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-109999 B. E. Nelson 11869a 13 9 1984 U.S.A. Wyoming Crook Black Hills: Bear Lodge Mountains: summit of the Bear Lodge Mountain, ca 1.3 air mi SE of Cook Lake, ca 12.5 air mi N of Sundance. Paper birch-aspen forest with dense understory of (witch hazel)? 5000 ft. 44.5814° N, 104.3869° W; uncertainty 1 mi. T53N R63W S14 44.5814 -104.3869 1 mi. Spores N RM0127581 N 76 RM 661266 Marriott 1984 RM 370865 RM0127586 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-110001 B. E. Nelson 11934 16 9 1984 U.S.A. Wyoming Crook Black Hills: on the divide between Sand Creek and Shepherds Gulch; ca 10.3 air mi S of Beulah; ca 15.8 air mi E of Sundance. Brushy paper birch forest in a draw. 5800 ft. 44.3942° N, 104.0622° W; uncertainty 1 mi. T51N R60W S21 44.3942 -104.0622 1 mi. Spores N RM0127586 N 77 RM 662937 Marriott 1982 RM 370856 RM0127594 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-105507 Hollis Marriott 1363 B. E. Nelson 14 7 1982 U.S.A. Wyoming Crook Black Hills: Cement Ridge, southeast end, ca 7.5 air mi NE of Moskee; ca 15 air mi ESE of Sundance. Hazelnut thickets in birch woods. 6500 ft. 44.35° N, 104.0617° W; uncertainty 1 mi. T50N R60W S4 44.35 -104.0617 1 mi. Vegetative N RM0127594 N 78 RM 663618 Marriott 1982 RM 370857 RM0127591 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-105513 Hollis Marriott 2040 11 8 1982 U.S.A. Wyoming Crook Black Hills: Bear Lodge Mountains: Bear Lodge Pass (Wyo Hwy 24), ca 6 air mi SE of Alva. Birch-aspen woods. 4700 ft. 44.65556° N, 104.32528° W; uncertainty 1 mi. T54N R62W S20 44.65556 -104.32528 1 mi. N N Spores N RM0127591 N 79 RM 664483 Marriott 1983 RM 370858 RM0127593 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-110446 Hollis Marriott 2918 10 6 1983 U.S.A. Wyoming Crook Black Hills: Bear Lodge Mountain, Fawn Creek, ca 5.6 air mi SE of Alva. Birch woods along creek. 4600 ft. 44.6256° N, 104.3669° W; uncertainty 0.5 mi. T54N R63W S36 NW1/4 44.6256 -104.3669 1 mi. Vegetative N RM0127593 N 80 RM 664572 Marriott 1983 RM 370859 RM0127590 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-110453 Hollis Marriott 3007 14 6 1983 U.S.A. Wyoming Crook Black Hills: Bear Lodge Mountain, headwaters of Oak Creek, Mitchell Spring; ca 4 air mi NE of Alva. Birch woods. 4500 ft. 44.7272° N, 104.3689° W; uncertainty 1 mi. T55N R63W S25 S1/2 44.7272 -104.3689 1 mi. Vegetative N RM0127590 N 81 RM 665360 Marriott 1983 RM 370860 RM0127587 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-105566 Hollis Marriott 3792 29 6 1983 U.S.A. Wyoming Crook Black Hills: headwaters of Corral Creek, ca 9 air mi S of Beulah. Birch-aspen-pine forest. 5200 ft. 44.40889° N, 104.10278° W; uncertainty 1 mi. T51N R60W S18 NW1/4 44.40889 -104.10278 1 mi. Spores N RM0127587 N 82 RM 666587 Marriott 1983 RM 370862 RM0127588 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-110593 Hollis Marriott 5017 26 7 1983 U.S.A. Wyoming Crook Black Hills: Bear Lodge Mountains: between Whitelaw Creek and Ladogar Flats, ca 8 air mi NNW of Sundance. Aspen forest. 5900 ft. 44.5083° N, 104.44944° W; uncertainty 0.5 mi. T52N R63W S8 44.5083 -104.44944 1 mi. intermediate Vegetative N RM0127588 N 83 RM 669131 Marriott 1984 RM 370863 RM0127585 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-105643 Hollis Marriott 7514 2 7 1984 U.S.A. Wyoming Crook Black Hills: near headwaters of Deer Creek; ca 5 air mi SE of Moskee. Aspen woods. 6100 ft. 44.23222° N, 104.1014° W; uncertainty 1 mi. T49N R60W S18 SW1/4; and NW1/4 S19 44.23222 -104.1014 1 mi. Spores N RM0127585 N 84 RM 672886 Marriott 1983 RM 370866 RM0127592 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-107148 Ronald L. Hartman 16108 13 7 1983 U.S.A. Wyoming Crook Black Hills: Geis Springs and vicinity, ca 5 air mi E of Alva. Ponds and pond margins and adjacent oak woodlands and prairies; shaded slopes. 4700 ft. 44.68444° N, 104.3464° W; uncertainty 1 mi. T54N R62W S7 44.68444 -104.3464 1 mi. Spores N RM0127592 N 85 RM 673734 Marriott 1984 RM 370867 RM0127589 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-111459 Ronald L. Hartman 17813 11 7 1984 U.S.A. Wyoming Crook Black Hills: West Fork Boundary Gulch, ca 7 air mi S of Beulah. Hill top covered with Pinus ponderosa forest with sandstone outcrop and sandy soil; sandy woodland. 4700 ft. 44.4517° N, 104.0622° W; uncertainty 1 mi. T52N R60W S33 44.4517 -104.0622 1 mi. Spores N RM0127589 N 86 RM 674686 WY Black Hills RM 683794 RM0127582 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-111522 Walter Fertig 18657 3 6 1999 U.S.A. Wyoming Crook Northwest Black Hills: Bear Lodge Moutains, Bear Lodge Campground just E of Wyo Hwy 34; ca 6 mi SE of Alva. Shady Pinus ponderosa-Betula papyrifera forest with dense understory of Oryzopsis asperifolia, Spiraea, and Maianthemum canadense on moist, loamy soil. 4680 ft. 44.6536° N, 104.3225° W; uncertainty 0.25 mi. T54N R62W S20 N1/4 of NE1/4 of SW1/4 44.6536 -104.3225 0 mi. Vegetative N RM0127582 N 87 RM 80226 Elliott, Brian 1999 RM 829102 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller 1. Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller
Annotated by Ronald L. Hartman. RM-13302 Brian Elliott 7093 Elizabeth Mark 14 6 1999 U.S.A. Colorado Pueblo Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: San Isabel National Forest: ca 4 mi up trail 1316 from Cuerna Verde Park Trailhead; western edge of Rye. Mixed forest with Picea engelmannii and Pseudotsuga menziesii. 8500 ft. 37.9184° N, 104.9625° W T24S R68W S35 N1/2; also S1/2 S34, S1/2 S33 37.9184 -104.9625 Spores N N 88 RM 80689 Elliott, Brian 1999 RM 829101 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller 1. Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller
Annotated by Ronald L. Hartman. RM-13319 Brian Elliott 7551 21 6 1999 U.S.A. Colorado Pueblo Wet Mountains, Wet Mountain Valley, Sangre de Cristo Range, and Vicinity: Wet Mountains: Colo Hwy 165, ca 4 air mi NW of Rye, at the YMCA Camp. On a 1 year old burn in Pinus ponderosa. 8700 ft. 37.9476° N, 104.9991° W T24S R68W S21 NW1/4 37.9476 -104.9991 Vegetative N N 89 RM 881048 Dorn 2014 RM 921286 RM0079205 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller RM-156245 Robert D. Dorn 11313 1 7 2014 U.S.A. Wyoming Crook Ca 8 mi S of Beulah. Oak-pine, with Achillea and Rosa. 5200 ft. 44° 25.5' N, 104° 4.3' W; unknown, , GPS reading 44.425 -104.071667 unknown GPS reading Vegetative N RM0079205 N