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 128938 Evert 2000 RM 824573 rm0023096 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-14939 Erwin F. Evert 38415 26 7 2000 U.S.A. Montana Sweet Grass Gallatin National Forest: Crazy Mountains; Big Timber Canyon, just W of Half Moon Campground, 20 mi NE of Big Timber. South facing banks in Douglas fir forest with Carex geyeri and Aster conspicuus. 6500 ft. T3N R12W S4 Vegetative N RM0023096 N 2 RM 141146 Evert 1991 RM 739222 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-15905 Erwin F. Evert 21416 29 6 1991 U.S.A. Montana Stillwater Beartooth Mountains: Custer National Forest: west side of Sioux Charley Lake, ca 36 mi S of Big Timber. Meadow openings with some scattered Pinus contorta and with Viola corymbosa, Allium brevistylum, Geum macrophyllum, and Sanicula marilandica. 5600 ft. 45.3392° N, 109.9304° W T6S R14E S1 45.3392 -109.9304 Vegetative N N 3 RM 35151 Arizona/New Mexico RM 552273 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-9929 Ralph E. Brooks 19238 8 5 1989 U.S.A. Arizona Coconino N of Sedona; Oak Creek Canyon; Halfway Campground. [Halfway Picnic Area] Oak-pine wooded river valley with granite outcrops and cliffs, scattered in thickets along river. 5100 ft. T18N R6E S8 34.95629 -111.75459 NAD 83 1 mi. N N Nat. Geog. TOPO! Spores N N 4 RM 37724 Arizona/New Mexico RM 216639 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn 1. Pteridium aquilinum (L.) Kuhn
Annotated by W. H. Wagner. RM-11617 Wilhelm G. Solheim 2461 Ragnhild Solheim 13 11 1948 U.S.A. Arizona Pima Santa Catalina Mountains: E of Tucson: Mount Lemmon Road. Roadside: rocky, dry streambed. 5700 ft. 32.47146 -110.72924 NAD 83 0 mi. N N Nat. Geog. TOPO! NE of Tucson. Spores N N 5 RM 436393 South Dakota RM 99255 RM0127618 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-66423 A. C. McIntosh 664 2 9 1924 U.S.A. South Dakota Lawrence Deadwood: Hill S of Deadwood. Abundant on ridges. 4800 5700 ft. T5N R3E S26 44.3641 -103.7251 NAD 83 2 mi. Y Y Nat. Geog. TOPO! Vegetative N RM0127618 N 6 RM 436864 South Dakota RM 99255 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-66617 Arthur C. McIntosh 664 2 9 1924 U.S.A. South Dakota Lawrence Deadwood: Hills N of Deadwood. Abundant on ridges. 4260 5700 ft. T5N R3E S14 44.3994 -103.7276 NAD 83 2 mi. Y Y Nat. Geog. TOPO! Vegetative N N 7 RM 438313 South Dakota RM 531198 RM0127616 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-67273 Erwin F. Evert 6385 2 9 1983 U.S.A. South Dakota Lawrence Black Hills: Spearfish Canyon along U. S. Hwy 14A, ca 10 mi S of Spearfish. 4900 ft. 44.3794° N, 103.9122° W; uncertainty 1 mi. T5N R2E S19 44.3794 -103.9122 1 mi. N N Vegetative N RM0127616 N 8 RM 438470 South Dakota RM 568141 RM0127617 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-67394 Gary E. Larson 10589 James R. Johnson 19 7 1991 U.S.A. South Dakota Lawrence Sparsely forested south-facing slope with aspen and pine. 5530 ft. 44.4207° N, 103.9447° W; uncertainty 0.5 mi. T5N R1E S1 SW1/4 44.4207 -103.9447 1 mi. Vegetative N RM0127617 N 9 RM 438824 South Dakota RM 118281 RM0127619 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-67564 H. E. Lee s.n. 25 6 1928 U.S.A. South Dakota Pennington Black Hills: Boxelder Canyon. Hillside. 3480 5000 ft. T2N R6E S22 44.1169 -103.3772 NAD 83 4 mi. Y Y Nat. Geog. TOPO! Vegetative N RM0127619 N 10 RM 438839 South Dakota RM 118281 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-67564 H. E. Lee s.n. 25 6 1928 U.S.A. South Dakota Pennington Black Hills: Boxelder Canyon. Hillside. 3480 5000 ft. T2N R6E S22 44.1169 -103.3772 NAD 83 4 mi. Y Y Nat. Geog. TOPO! Vegetative N N 11 RM 439431 South Dakota RM 304679 RM0127622 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-67795 Herman E. Hayward 1115 18 6 1927 U.S.A. South Dakota Lawrence Deadwood. Valley; yellow pine-aspen association. 4320 5700 ft. T5N R3E S23 44.3775 -103.7287 NAD 83 2 mi. Y Y Nat. Geog. TOPO! Vegetative N RM0127622 N 12 RM 439465 South Dakota RM 110894 RM0127621 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-67802 Herman E. Hayward 1206 21 6 1927 U.S.A. South Dakota Lawrence Whitewood. Meso-canyon; north facing slope; oak-willow association. 3600 5000 ft. T5N R4E S5 44.4167 -103.6625 NAD 83 4 mi. Y Y Nat. Geog. TOPO! Vegetative N RM0127621 N 13 RM 439719 South Dakota RM 110775 RM0127620 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-67833 Herman E. Hayward 1869 4 7 1927 U.S.A. South Dakota Lawrence Terry Peak above Trojan. Mountain slopes; second succession, popple and birch association. 6700 ft. 44.3317° N, 103.8367° W; uncertainty 0.25 mi. T4N R2E S2 44.3317 -103.8367 0 mi. Y Y Vegetative N RM0127620 N 14 RM 440729 South Dakota RM 698776 RM0127624 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-68129 Hollis Marriott 11928 Patches 26 6 2000 U.S.A. South Dakota Pennington Black Hills: Black Elk Wilderness, along Trail #7 (Grizzly Bear Tr.) in drainage of tributary to Grizzly Bear Creek from SW, ca 1.0 air mi SSE of Harney Peak Lookout, ca 7.5 air mi NNE of Custer. Drainage bottom with Picea glauca, Populus tremuloides, and Oryzopsis asperifolia. 6000 ft. 43.8564° N, 103.519° W; uncertainty 0.25 mi. T2S R5E S21 SE1/4 of SE1/4 43.8564 -103.519 0 mi. Vegetative N RM0127624 N 15 RM 443866 South Dakota RM 113240 RM0127623 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-69445 W. H. Over 13860 29 8 1928 U.S.A. South Dakota Black Hills. High altitude. Could not be mapped. Vegetative N RM0127623 N 16 RM 58729 Bradtke 2002 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-12703 Heather Bradtke 10058 27 7 2002 U.S.A. Washington Garfield Umatilla National Forest and Vicinity: Wenaha-Tucannon Wilderness: Mud Spring along Smooth Ridge Trail , ca 35 mi E and 4 mi S of Walla Walla. Springs. 3600 3800 ft. 46° 0' 4" N, 117° 36' 6" W; GPS Reading zone 11, 5094334E, 453405N; GPS Reading T6N R42E S18 46.001111 -117.601667 GPS Reading Vegetative N N 17 RM 59232 Bradtke 2002 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-12728 Heather Bradtke 10561 5 8 2002 U.S.A. Oregon Grant Umatilla National Forest and Vicinity: North Fork John Day Wilderness: Corral Creek Trail, ca 9 mi N and 10 mi W of Granite. Mixed conifer forest, wilderness trial with lots of lodgepole pine (dominant); slope 5-15; aspect southerly. 5800 6100 ft. 44° 57' 4" N, 118° 36' 38" W; GPS Reading zone 11, 4978783E, 372964N; GPS Reading T7S R34E S22 NW1/4; also SE1/4 S15 and SW1/4 S14 44.951111 -118.610556 GPS Reading Vegetative N N 18 RM 61090 Bradtke 2002 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-12786 Heather Bradtke 5918 17 6 2002 U.S.A. Oregon Morrow Umatilla National Forest and Vicinity: Black Mountain from County Road 678 and Forest Road 30, ca 10 mi S and 12 mi E of Heppner. Riparian area under grand fir, Taxus, and Douglas fir in black, organic soil; slope 0-10; aspect south. 5080 ft. 45° 12' 19" N, 119° 17' 32" W; GPS Reading zone 11, 5008298E, 319978N; GPS Reading T4S R28E S23; also S22 45.205278 -119.292222 GPS Reading Vegetative N N 19 RM 62074 Bradtke 2002 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-12823 Heather Bradtke 6901 28 6 2002 U.S.A. Oregon Grant Umatilla National Forest and Vicinity: Forest roads 1003 and 90, ca 3 mi S and 6 mi E of Dale. Mixed conifer woods in fine, deep soil; slope 5-10; aspect south. 4800 ft. 44° 57' 29" N, 118° 48' 58" W; GPS Reading zone 11, 4979907E, 356750N; GPS Reading T7S R32E S13 44.958056 -118.816111 GPS Reading Vegetative N N 20 RM 62793 Bradtke 2002 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-12836 Heather Bradtke 7618 5 7 2002 U.S.A. Washington Asotin Umatilla National Forest and Vicinity: ca 1 mi S and 10 mi W of Anatone. Tan brown soil; slope 15-20, aspect south. 3470 5415 ft. 46° 7' 19" N, 117° 22' 55" W to 46° 7' 6" N, 117° 23' 51" W; GPS Reading zone 11, 5107267E, 469288N; GPS Reading T7N R43E S2; also S3 46.121944 -117.381944 GPS Reading Vegetative N N 21 RM 64089 Bradtke 2002 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-12869 Heather Bradtke 8909 19 7 2002 U.S.A. Washington Columbia Umatilla National Forest and Vicinity: Maloney Mountain-Forest Road 4625, ca 4 mi S and 13 mi E of Dayton. Mixed conifer overstory with Vaccinium and Chimaphila in understory; slope <5; aspect butte top. 4600 ft. 46° 15' 49" N, 117° 43' 53" W; GPS Reading zone 11, 5123590E, 443648N; GPS Reading T9N R41E S18 46.263611 -117.731389 GPS Reading Vegetative N N 22 RM 64170 Bradtke 2002 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-12870 Heather Bradtke 8990 19 7 2002 U.S.A. Washington Columbia Umatilla National Forest and Vicinity: Tucannon River, to 1.5 mi off road on Tucannon River Trail, ca 3 mi N and 23 mi W of Anatone. Directly along trail under spruce, Taxus, grand fir with Tiarella and Chimaphila with fine, deep soil; slope 0, aspect none 3600 ft. 46° 11' 10" N, 117° 36' 47" W; GPS Reading zone 11, 5114909E, 452689N; GPS Reading T8N R41E S12; also T8N R42E S7 in Garfield County 46.186111 -117.613056 GPS Reading Vegetative N N 23 RM 64284 Bradtke 2002 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-12873 Heather Bradtke 9104 21 7 2002 U.S.A. Washington Columbia Umatilla National Forest and Vicinity: Forest roads 46 and 420, ca 22 mi E of Walla Walla. Open to partially shaded butte; slope < 5, aspect top of butte. 5500 ft. 46° 3' 44" N, 117° 50' 40" W; GPS Reading zone 11, 5101291E, 434683N; GPS Reading T7N R40E S19 SE1/4; also S20 and NE1/4 S30 46.062222 -117.844444 GPS Reading Vegetative N N 24 RM 64823 Bradtke 2002 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-12886 Heather Bradtke 9643 25 7 2002 U.S.A. Washington Columbia Umatilla National Forest and Vicinity: Colony Creek, ca 6 mi S and 17 mi E of Dayton. Brown powdery soil; aspect northwest. 4900 5000 ft. 46° 13' 55" N, 117° 38' 14" W; GPS Reading zone 11, 5120017E, 450873N; GPS Reading T9N R41E S26 46.231944 -117.637222 GPS Reading Vegetative N N 25 RM 64957 Bradtke 2002 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-12888 Heather Bradtke 9777 27 7 2002 U.S.A. Washington Columbia Umatilla National Forest and Vicinity: Wenaha-Tucannon Willderness: Oregon Butte area on Smooth Ridge Trail, ca 31 mi E and 3 mi N of Walla Walla. Springs; slope 5-15; aspect east. 5600 6300 ft. 46° 6' 27" N, 117° 40' 48" W; GPS Reading zone 11, 5106213E, 447456N; GPS Reading T7N R41E S4; also N1/2 S9 46.1075 -117.68 GPS Reading Vegetative N N 26 RM 731234 Missouri Plateau RM 24146 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-121457 R. S. Williams s.n. 20 7 1892 U.S.A. Montana Flathead Columbia Falls. Spores N N 27 RM 815525 Ebertowski 2011 USFS 892317 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn RM-146367 Peter J. Ebertowski 9106 7 10 2011 U.S.A. Colorado Jackson Routt National Forest: Park Range: Tiago Lake, on Forest Road 615, ca 11 air mi W of Hebron; ca 20 air mi SW of Walden. Slope immediately below road forming 100 meter by 25 meter patch. 8880 ft. zone 13N, 363363E, 4493527N; NAD83 T7N R82W S16 NW1/4 40.58126 200 m. Spores N N 28 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 29 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 30 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 31 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 32 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 33 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 34 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 35 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 36 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 37 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 38 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 39 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 40 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 41 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 42 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 43 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 44 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 45 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 46 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 47 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 48 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 49 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 50 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 51 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 52 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 53 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 54 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 55 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 56 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 57 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 58 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 59 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 60 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 61 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 62 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 63 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 64 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 65 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 66 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 67 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 68 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 69 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 70 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 71 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 72 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 73 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 74 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 75 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 76 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 77 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 78 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 79 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 80 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 81 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 82 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 83 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 84 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 85 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 86 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 87 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 88 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 89 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 90 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 91 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 92 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 93 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 94 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 95 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 96 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 97 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 98 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 99 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 100 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 101 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 102 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 103 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 104 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 105 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 106 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 107 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 108 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 109 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 110 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 111 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 112 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 113 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 114 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 115 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 116 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 117 RM 100042 Chumley 1996 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-13998 Timothy W. Chumley 5484 5 8 1996 U.S.A. Colorado Douglas East-central Colorado: Mosquito Range to Plains: Rampart Range: off Forest Road 507 ca 0.2 rd mi E of intersection with Forest Road 300 or Rampart Range Road, ca 3 air mi SE of Shamballah-Ashramah; ca 8.4 air mi NE of Deckers. Along a wet drainage at bottom of valley in ponderosa pine-Douglas fir forest. 7840 8450 ft. 39.2945° N, 105.0826° W zone 13, 492911E, 4349925N T9S R69W S2 N1/2 39.2945 -105.0826 Vegetative N N 118 RM 12134 Arizona 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-678 B. E. Nelson 63309 Brian Geils 22 9 2004 U.S.A. Arizona Coconino Coconino National Forest: north end of Hart Prairie at the base of Fern Mountain, ca 3.5 air mi W of Humphreys Peak, ca 11 air mi NNW of Flagstaff. Steep rocky slope with scattered aspen and rose. 8380 8400 ft. 35.3454° N, 111.7406° W; GPS Reading T23N R6E S27 SE1/4 35.3454 -111.7406 GPS Reading Spores N N 119 RM 12188 Arizona 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-679 B. E. Nelson 63363 Brian Geils 22 9 2004 U.S.A. Arizona Coconino Coconino National Forest: C. Hart Merriam base camp historic site at Little Spring, ca 0.5 mi E of Hochderffer Hills, ca 3.5 air mi NW of Humphreys Peak, ca 13 air mi NNW of Flagstaff. Mixed conifer/aspen forest. 8280 8400 ft. 35.3744° N, 111.7257° W; GPS Reading T23N R6E S14 SE1/4 35.3744 -111.7257 GPS Reading Spores N N 120 RM 12472 Arizona 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-690 B. E. Nelson 63647 James F. Fowler 25 9 2004 U.S.A. Arizona Coconino Coconino National Forest: in James Canyon 1/2 - 3/4 mi W of I-17, ca 11 air mi S of Flagstaff. Northerly-facing Douglas fir/ponderosa pine canyon slopes. 6430 6500 ft. 35.0475° N, 111.6939° W to 35.0476° N, 111.6973° W; GPS Reading T19N R7E S7 NW1/4 35.0475 -111.6939 GPS Reading Spores N N 121 RM 129680 Evert 2003 RM 913175 RM0066316 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-15025 Erwin F. Evert 39912 1 6 2003 U.S.A. Wyoming Park Yellowstone Plateau: Yellowstone National Park: ca 0.5 mi NE of Steamboat Point and U.S. Hwy 14, 16, & 20. Thermal area with Lepidium virginicum var. pubescens, Rumex acetosella, and Panicum capillare. 8000 ft. T53N R111W S31 Vegetative N RM0066316 N 122 RM 130470 Evert 2003 RM 913155 RM0065474 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-15077 Erwin F. Evert 40704 12 8 2003 U.S.A. Wyoming Teton Yellowstone Plateau: Yellowstone National Park: Hillside Springs, ca 3/4 mi S of Mystic Falls, ca 2.5 mi NW of Old Faithful. Thermal area on sinter with Panicum acuminatum, Gnaphalium stramineum, and Heterotheca depressa. 7300 ft. T52N R116W S18 Spores N RM0065474 N 123 RM 13098 Arizona 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by B. E. Nelson. RM-714 Ronald L. Hartman 80328 James F. Fowler 29 8 2004 U.S.A. Arizona Coconino Coconino National Forest: ca 8 air mi SSW of Flagstaff; Kelly and Fry canyons, area of intersection. Stream bottom. 6300 6500 ft. 35.0588° N, 111.7169° W to 35.0597° N, 111.7108° W; GPS Reading T19N R6E S1; also S2 35.0588 -111.7169 GPS Reading Spores N N 124 RM 13201 Arizona 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by B. E. Nelson. RM-717 Ronald L. Hartman 80431 James F. Fowler 28 8 2004 U.S.A. Arizona Coconino Coconino National Forest: Sterling Canyon from Vultee Arch to pass to E towards Manzanita Campground. Ponderosa pine and Douglas fir forest with oak understory. 6800 ft. 34.9397° N, 111.7687° W to 34.9366° N, 111.747° W; GPS Reading T18N R6E S18 34.9397 -111.7687 GPS Reading Spores N N 125 RM 137890 Evert 1988 RM 752709 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-15689 Erwin F. Evert 15700 31 7 1988 U.S.A. Montana Park Gallatin National Forest: Crazy Mountains: Half Moon Campground, ca 15 mi NW of Big Timber. Along abandoned road in the open in disturbed soil. 6450 ft. 46.0381° N, 110.2383° W T3N R12E S4 46.0381 -110.2383 Spores N N 126 RM 14843 Arizona 2005 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-767 B. E. Nelson 67228 21 9 2005 U.S.A. Arizona Greenlee Apache National Forest: just W of Horton Creek and S of Forest Road 26, ca 1.5 air mi SSE of Sprucedale; ca 28.5 air mi S of Springerville. Moist, open ponderosa pine or ponderosa pine/Douglas fir forest. 7700 ft. 33.7195° N, 109.3201° W; GPS Reading T4N R29E S2 SW1/4 33.7195 -109.3201 GPS Reading Vegetative N N 127 RM 15021 Arizona 2005 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-772 B. E. Nelson 67406 22 9 2005 U.S.A. Arizona Coconino Sitgreaves National Forest: Mogollon Rim S of Rim or Forest Road 300, ca 1.5 air mi ENE of Promontory Butte and above See Canyon, ca 24 air mi WSW of Heber; ca 21 air mi ENE of Payson. Young ponderosa pine/southwestern white pine forest on sand and sandstone pavement. 7780 7850 ft. 34.3645° N, 111.015° W; GPS Reading T11N R13E S6 SE1/4; also SW1/4 S5 34.3645 -111.015 GPS Reading Vegetative N N 128 RM 157036 Evert 1999 RM 822055 RM0024079 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-16634 Erwin F. Evert 37570 29 7 1999 U.S.A. Idaho Fremont Island Park Plateau: Targhee National Forest: along Anderson Mill Canyon or Forest Road 164, just E of U.S. Hwy 20/191, 7 mi NE of Ashton. Lodgepole pine forest with Carex geyeri, Pedicularis racemosa var. alba, and Spiraea betulifolia var. lucida. 6100 ft. 44.1652° N, 111.4254° W; uncertainty 1 mi. T10N R43E S30 44.1652 -111.4254 1 mi. Vegetative N RM0024079 N 129 RM 16473 Arizona 2006 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-804 B. E. Nelson 70651 James F. Fowler 31 8 2006 U.S.A. Arizona Coconino Coconino National Forest: Mogollon Rim: on Milk Ranch Point off the end of Forest Road 218, ca 2.5 air mi E of Pine; ca 57.5 air mi SSE of Flagstaff. Selectively logged ponderosa pine forest with oak and alligator juniper. 7200 7280 ft. 34.3912° N, 111.411° W to 34.3893° N, 111.4121° W T12N R9E S28 SW1/4 34.3912 -111.411 Spores N N 130 RM 164882 Flaig 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-16927 Jeanette Flaig 4967 27 6 2004 U.S.A. Colorado Archuleta Eastern San Juan Mountains: San Juan National Forest: N of Klondike Park on Forest Road 135, SE of Shamrock Mines, ca 10 air mi ENE of Bayfield. Ponderosa pine woodland with Quercus understory in heavily grazed area with seep. 7852 ft. 37.3067° N, 107.4818° W; GPS Reading T35N R6W S14 SE1/4 37.3067 -107.4818 GPS Reading Vegetative N N 131 RM 166198 Flaig 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-16981 Jeanette Flaig 6278 22 7 2004 U.S.A. Colorado Mineral Eastern San Juan Mountains: San Juan National Forest: Weminuche Wilderness: Beaver Creek or Trail 560 off West Fork Trail, ca 16 air mi NNE of Pagosa Springs. Spruce/fir forest with outwashes on south and southeast-facing slopes. 9917 10125 ft. 37.5071° N, 106.9307° W to 37.5176° N, 106.9235° W; GPS Reading T38N R1W S25; also SE1/4 S24 37.5071 -106.9307 GPS Reading Vegetative N N 132 RM 167101 Flaig 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-17007 Jeanette Flaig 7176 Kurt Flaig 31 7 2004 U.S.A. Colorado La Plata Eastern San Juan Mountains: San Juan National Forest: Weminuche Wilderness: Eolus and North Eolus Peaks, Needles Creek Trail, N of Chicago Baisin, ca 15.5 air mi SSE of Silverton. Mixed conifer forest with seeps along river. 8503 9159 ft. 37.6106° N, 107.6692° W to 37.6223° N, 107.6937° W; GPS Reading T39N R7W S30; also SW1/4 of SW1/4 S29 37.6106 -107.6692 GPS Reading Vegetative N N 133 RM 167512 Flaig 2004 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-17019 Jeanette Flaig 7581 9 8 2004 U.S.A. Colorado Mineral Eastern San Juan Mountains: San Juan National Forest: Windy Pass Trail just S of Treasure Falls pullout, U.S. Hwy 160, ca 17 air mi NNE of Pagosa Springs. Very mesic mixed conifer forest on a west-facing slope. 8812 9026 ft. 37.4321° N, 106.8744° W to 37.4319° N, 106.8685° W; GPS Reading T37N R1E S22 South1/2 37.4321 -106.8744 GPS Reading Vegetative N N 134 RM 17162 Arizona 2006 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by B. E. Nelson. RM-819 Ronald L. Hartman 83984 James F. Fowler 13 9 2006 U.S.A. Arizona Coconino Coconino National Forest: Rim Road, ca 1 mi NW of Forest Road 139. Rocky, (sandstone) rim and cliffs. 7650 ft. 34.4257° N, 111.225° W T12N R11E S18 34.4257 -111.225 Vegetative N N 135 RM 17650 Arizona 2006 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by B. E. Nelson. RM-833 Ronald L. Hartman 84472 James F. Fowler 19 9 2006 U.S.A. Arizona Gila Tonto National Forest: ca 3 air mi W of Mogollon Rim Visitor Center at Two Sixty Trailhead. Mixed conifer with herbaceous understory. 6600 6700 ft. 34.3076° N, 110.951° W T11N R13E S26 34.3076 -110.951 Vegetative N N 136 RM 17887 Arizona 2006 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by B. E. Nelson. RM-839 Ronald L. Hartman 84709 21 9 2006 U.S.A. Arizona Coconino Sitgreaves National Forest: near Forest Lakes Estates, on Forest Road 237 at dual 500 KV transmission lines. 7670 ft. 34.3336° N, 110.8353° W; uncertainty 0.25 mi. T11N R14E S15; SE1/4 S18 34.3336 -110.8353 0 mi. Vegetative N N 137 RM 209368 Holt 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-19632 Emily A. Holt 7786 11 8 2001 U.S.A. Colorado Pitkin Central Colorado: Sawatch Range, West Slope Continental Divide: along Hunter Creek Trail 1992, E of Forest Service sign to second large meadow (ca 1 mi), ca 2 air mi NE of Aspen. Aspen forest with several open montane meadows. 8600 9000 ft. 39.2993° N, 106.757° W T9S R84W S3; also S4 and S5 39.2993 -106.757 Vegetative N N 138 RM 210888 Handley 2000 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-19838 B. E. Nelson 50872 Joy Handley 18 7 2000 U.S.A. Idaho Valley Payette National Forest and Vicinity: Salmon River Mountains: along Kennally Creek from the campground to the North Fork, ca 14-15 air mi SE of McCall. Mixed conifer forest with open areas, granite outcrops, and granite ridges. 5600 5800 ft. 44.7812° N, 115.875° W T17N R5E S29 E1/2; also E1/4 S28 44.7812 -115.875 Vegetative N N 139 RM 211025 Handley 2000 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-19840 B. E. Nelson 51009 20 7 2000 U.S.A. Idaho Valley Payette National Forest and Vicinity: Salmon River Mountains: along trail from Boulder Meadows Reservoir to Boulder Lake, ca 7-8.5 air mi ESE of McCall. Brushy mixed conifer forest. 6270 7000 ft. 44.8684° N, 115.9535° W T18N R4E S27 44.8684 -115.9535 Vegetative N N 140 RM 212241 Handley 2000 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-19863 Joy Handley 4531 30 5 2000 U.S.A. Idaho Adams Payette National Forest and Vicinity: West Mountains: along the Weiser River just N of Evergreen, ca 7 air mi SW of New Meadows; ca 14 air mi W of McCall. Mixed conifer overstory on west-facing river bank and roadside. 3800 3950 ft. 44.8974° N, 116.3816° W T18N R1E S18 W1/4 44.8974 -116.3816 Vegetative N N 141 RM 212640 Handley 2000 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-19870 Joy Handley 4925 6 6 2000 U.S.A. Idaho Adams Payette National Forest and Vicinity: Cuddy Mountains: Orchid Canyon, ca 7 air mi W of Council; ca 12 air mi NNE of Cambridge. Moist canyon with Abies grandis and mixed conifer over story, adjacent to several timber harvest treatments. 4500 5000 ft. 44.7377° N, 116.5834° W T16N R2W S9 NW1/4; also SW1/4 S4 and SE1/4 S5 44.7377 -116.5834 Vegetative N N 142 RM 212864 Handley 2000 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-19873 Joy Handley 5149 Denise L. Fairbanks 11 6 2000 U.S.A. Idaho Adams Payette National Forest and Vicinity: Cuddy Mountains: Goodrich Creek Research Natural Area: along Goodrich Creek, ca 9 air mi SW of Council; ca 8 air mi NNE of Cambridge. Roadside riparian area in grass and shrub rangeland. 3100 3867 ft. 44.6798° N, 116.6037° W T16N R2W S32 SE1/4; also SW1/4 S33 and T15N R2W NE1/4 S5 44.6798 -116.6037 Vegetative N N 143 RM 213090 Handley 2000 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-19875 Joy Handley 5375 Denise L. Fairbanks 15 6 2000 U.S.A. Idaho Valley Payette National Forest and Vicinity: Long Valley: Ponderosa State Park: N of McCall, ca 10 air mi E of New Meadows. Mixed conifer forest with open meadows and marshes. 5000 ft. 44.9554° N, 116.0758° W T19N R3E S34; also S22, S27; also T18N R3E S3 44.9554 -116.0758 Vegetative N N 144 RM 213860 Handley 2000 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-19883 Joy Handley 6142 Phillip G. Lawrence 27 6 2000 U.S.A. Idaho Washington Payette National Forest and Vicinity: Cuddy Mountains: Boundary Trail, just S of Grizzly Basin, ca 8 air mi N of Cambridge; ca 13 air mi W of Council. Also SE/14 Mostly south-facing slopes along fence line with moist drainages. 4000 4700 ft. 44.6943° N, 116.6846° W T16N R3W S27; S28 44.6943 -116.6846 Vegetative N N 145 RM 214670 Handley 2000 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-19900 Joy Handley 6939 B. E. Nelson 18 7 2000 U.S.A. Idaho Adams Payette National Forest and Vicinity: Salmon River Mountains: along Forest Road 303, S of Threemile Creek, ca 4 air mi NE of New Meadows; ca 8 air mi NW of McCall. Mixed conifer forest and plantation. 5200 5450 ft. 44.9989° N, 116.1981° W T19N R2E S10 SW1/4 44.9989 -116.1981 Vegetative N N 146 RM 214841 Handley 2000 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-19903 Joy Handley 7109 B. E. Nelson 18 7 2000 U.S.A. Idaho Valley Payette National Forest and Vicinity: Salmon River Mountains: Boulder Lake Trail from parking lot to western edge of Boulder Lake, ca 8 air mi ESE of McCall; ca 12 air mi NE of Donnely. Moist areas along trail. 6200 7000 ft. 44.8684° N, 115.9535° W T18N R4E S27; also E1/2 S28 44.8684 -115.9535 Vegetative N N 147 RM 216038 Handley 2000 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-19929 Ronald L. Hartman 70350 23 8 2000 U.S.A. Idaho Valley Payette National Forest and Vicinity: Long Valley: Little Payette Lake, northwest corner. Edge of lake and roadside. 5100 ft. 44.9264° N, 116.035° W T18N R3E S1 NW1/4 44.9264 -116.035 Vegetative N N 148 RM 217615 Handley 1999 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-19984 Joy Handley 2238 23 7 1999 U.S.A. Idaho Valley Payette National Forest and Vicinity: Salmon River Mountains Area: Zena Creek Road end/trail (Forest Road 361), ca 11 air mi S of Warren; ca 23.5 air mi NE of McCall. Mixed conifer overstory; granite soil. 6000 6100 ft. 45.1004° N, 115.7088° W T20N R6E S3 NW1/4 of SE1/4 45.1004 -115.7088 Vegetative N N 149 RM 219052 Handley 1999 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-20008 Joy Handley 3525 Denise L. Fairbanks 14 8 1999 U.S.A. Idaho Adams Payette National Forest and Vicinity: West Mountains Area: Frog Pond off Forest Road 199, ca 6 air mi NE of Council; ca 14 air mi S of New Meadows. In beaver pond; boggy soil. 5300 ft. 44.7663° N, 116.3405° W T17N R1E S33 NE1/4 of NE1/4; and NW1/4 of NW1/4 S34 44.7663 -116.3405 Vegetative N N 150 RM 219265 Handley 1999 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-20013 Joy Handley 3716 17 8 1999 U.S.A. Idaho Adams Payette National Forest and Vicinity: Hells Canyon Wilderness: Deep Creek Trail, ca 8 air mi NE of Cuprum; ca 19 air mi NW of New Meadows. Steep southwest-facing slope, open Abies lasiocarpa/Polygonum phytolaccifolium; sheep drive way. 7250 7450 ft. 45.1584° N, 116.5651° W T21N R2W S15 N1/2 of SE1/4; NE1/4 and also South1/2 of SW1/4 S10 45.1584 -116.5651 Vegetative N N 151 RM 220040 Handley 1999 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-20028 Joy Handley 992 Phill Lawrence 27 6 1999 U.S.A. Idaho Adams Payette National Forest and Vicinity: Cuddy Mountains Area: below Stony Point on Forest Road 041, ca 9 air mi WNW of Council; ca 14 air mi NNE of Cambridge. Aspen grove with small creek running through; dominated by Populus tremuloides and Veratrum californicum; mostly southeast-facing slopes. 5600 5700 ft. 44.7952° N, 116.5429° W T17N R2W S32 SW1/4 of NW1/4; and NW1/4 of SW1/4 S32 44.7952 -116.5429 Vegetative N N 152 RM 22007 Arizona/New Mexico USFS 409589 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-2830 Clyde L. Warnock Mog-9 7 1919 U.S.A. New Mexico Catron Gila Forest: Willow Mountain. Rocky soil on west slope wth weeds: very abundant. 9500 ft. T11S R18W S10 33.3505 -108.6871 NAD 83 1 mi. Y Nat. Geog. TOPO! Spores N N 153 RM 234518 Taylor, Kevin 1997 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-20733 Kevin J. Taylor 4516 10 8 1997 U.S.A. Colorado Gunnison Northern Gunnison Basin: on south side of Mount Emmons, ca 3.5 air mi W of Crested Butte. Engelmann spruce, subalpine fir, lodgepole pine forest, and open meadow near acid bog. 9550 9850 ft. 38.8623° N, 107.1567° W T14S R87W S6 E1/2 38.8623 -107.1567 N N Vegetative N N 154 RM 235591 Taylor, Kevin 1997 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by Kevin J. Taylor. RM-20786 Ronald L. Hartman 56457 Kevin J. Taylor 19 5 1997 U.S.A. Colorado Gunnison Northern Gunnison Basin: Beaver Reservoir to 1 mi NW. Aspen slopes with Gambel oak-serviceberry above and spruce, subalpine fir, and cottonwood lined stream bottoms below. 7800 8200 ft. 38.8223° N, 107.4521° W T14S R90W S21 N1/2; also S1/2 S16 38.8223 -107.4521 Vegetative N N 155 RM 238443 Taylor, Kevin 1998 776713 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-20949 Kevin J. Taylor 6003 7 6 1998 U.S.A. Colorado Gunnison Northern Gunnison Basin: ca 1 air mi NNW of southern edge of Paonia Reservoir. Steep, northeast-facing slope; aspen, Douglas-fir, Amelanchier, Prunus, Symphoricarpos, Quercus, and poison ivy. 7150 7500 ft. 38.9543° N, 107.359° W T13S R89W S5 E1/2 38.9543 -107.359 Vegetative N N 156 RM 238658 Taylor, Kevin 1998 776712 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-20961 Kevin J. Taylor 6215 8 6 1998 U.S.A. Colorado Gunnison Northern Gunnison Basin: ca 4 air mi E of Paonia Reservoir. Aspen forest along creek; Picea pungens, Populus angustifolia, Prunus, Quercus, Amelanchier, Cornus, and Sorbus. 6600 ft. 38.9543° N, 107.2659° W T13S R88W S6 SE1/4 38.9543 -107.2659 Vegetative N N 157 RM 239028 Taylor, Kevin 1998 776711 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-20987 Kevin J. Taylor 6584 15 6 1998 U.S.A. Colorado Delta Northern Gunnison Basin: ca 8.5 air mi NNE of Paonia. Aspen forest; Symphoricarpos, Amelanchier, and Prunus. 8550 8850 ft. 38.9837° N, 107.5639° W T12S R91W S28 NW1/4 38.9837 -107.5639 Vegetative N N 158 RM 239265 Taylor, Kevin 1998 776710 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-21001 Kevin J. Taylor 6819 16 6 1998 U.S.A. Colorado Gunnison Northern Gunnison Basin: ca 4 air mi SE of Paonia Reservoir. Wet aspen forest; Prunus, Symphoricarpos, Crataegus, and Amelanchier. 7200 7550 ft. 38.925° N, 107.2845° W T13S R89W S13 N1/2 38.925 -107.2845 Vegetative N N 159 RM 239315 Taylor, Kevin 1998 776709 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-21005 Kevin J. Taylor 6869 16 6 1998 U.S.A. Colorado Gunnison Northern Gunnison Basin: ca 8 air mi NW of Kebler Pass. Aspen forest. 7400 8000 ft. 38.925° N, 107.21° W T13S R88W S15 SW1/4 38.925 -107.21 Vegetative N N 160 RM 239683 Taylor, Kevin 1998 776708 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-21029 Kevin J. Taylor 7233 26 6 1998 U.S.A. Colorado Gunnison Northern Gunnison Basin: ca 2 air mi S of Paonia Reservoir. Oak forest and opening and along sandstone cliffs; Prunus, Douglas-fir, Symphoricarpos; also, aspen forest with dense 5 ft tall Pteridium understory. 7550 7900 ft. 38.925° N, 107.3404° W T13S R89W S16 SW1/4 38.925 -107.3404 Vegetative N N 161 RM 239748 Taylor, Kevin 1998 776707 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-21034 Kevin J. Taylor 7298 27 6 1998 U.S.A. Colorado Gunnison Northern Gunnison Basin: ca 6 air mi SSW of Paonia Reservoir. Aspen forest; Amelanchier, Symphoricarpos, and Prunus. 8800 9000 ft. 38.8516° N, 107.359° W T14S R89W S8 NW1/4 38.8516 -107.359 Vegetative N N 162 RM 239850 Taylor, Kevin 1998 776706 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-21043 Kevin J. Taylor 7400 28 6 1998 U.S.A. Colorado Gunnison Northern Gunnison Basin: West Elk Wilderness: ca 12 1/4 air mi ENE of Crawford. Oak, aspen, Symphoricarpos, Amelanchier, and Prunus. 10200 ft. 38.7783° N, 107.3963° W; uncertainty 0.5 mi. T15S R90W S1 South1/2 38.7783 -107.3963 1 mi. Vegetative N N 163 RM 240910 Taylor, Kevin 1998 776705 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-21090 Kevin J. Taylor 8452 14 7 1998 U.S.A. Colorado Delta Northern Gunnison Basin: ca 5.5 air mi S of Paonia. Oak/juniper forest along moist creek bed. 7200 7400 ft. 38.7929° N, 107.5825° W T14S R91W S32 SE1/4 38.7929 -107.5825 Vegetative N N 164 RM 242050 Taylor, Kevin 1998 776704 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-21126 Kevin J. Taylor 9585 29 7 1998 U.S.A. Colorado Gunnison Northern Gunnison Basin: West Elk Wilderness: The Castles, ca 10 air mi SSW of Kebler Pass. Southeast-facing slope; open meadow and Engelmann spruce/subalpine fir/aspen forest. 10300 10500 ft. 38.7471° N, 107.1567° W T15S R87W S18 SE1/4 38.7471 -107.1567 Spores N N 165 RM 24582 Arizona/New Mexico USFS 409586 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-4182 Elbert L. Little Jr. 4013 17 8 1935 U.S.A. Arizona Gila Tonto National Forest: Parker Creek Branch Station. Oak woodland undergrowth: diabase gravelly oak leaf soil on a 20 degree southeast slope with weeds and Q. arizonica, Solidago, Geranium and lupinus: common in abundance. 5070 ft. T5N R13E S1 33.7984 -110.9702 NAD 83 3 mi. N N Nat. Geog. TOPO! Annotated as P. aquilinum v. lanuginosum in 1938 Spores N N 166 RM 260890 Larson 2005 RM 946524 RM0143334 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-22085 Jill E. Larson 3537 1 8 2005 U.S.A. New Mexico Taos Carson National Forest and Vicinity: east slope of Penascoso Mountain, Comales Canyon Forest Service Trail 22 to NM Hwy 518, ca 6 air mi SE of Penasco. Forest with Engelmann and blue spruce; grazed meadows with Poa pratensis. 7850 10500 ft. 36.1086° N, 105.5767° W; GPS Reading T22N R13E S29; also S21, S16, S8 36.1086 -105.5767 GPS Reading Vegetative N RM0143334 N 167 RM 26409 Arizona/New Mexico USFS 409593 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-5189 H. Garvin Smith 29 17 8 1923 U.S.A. New Mexico Sierra Datil National Forest: Seventyfour Draw. Alpine type distribution: heavy loam on a western slope with weeds; slightly grazed by cows. 8000 ft. T11S R10W S14 33.3399 -107.84969 NAD 83 1 mi. N Y Nat. Geog. TOPO! Spores N N 168 RM 268168 Larson 2006 RM 956700 RM0209134 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-22337 Jill E. Larson 6606 James Lucero 15 6 2006 U.S.A. New Mexico Colfax Carson National Forest and Vicinity: Sangre de Cristo Range: Pueblo de Taos Indian Reservation: Moreno Ranch, ca 1 mi SSE of Apache Peak, ca 4 air mi N of Palo Flechado Pass; ca 6 air mi NNW of Angel Fire. Mixed conifer forest with Picea, Pseudotsuga menziesii, Abies concolor and few Pinus ponderosa; understory mainly Juniperus communis; area logged with old stumps and shrub regrowth on logging roads. 9070 ft. 36.4543° N, 105.326° W; GPS Reading 36.4543 -105.326 GPS Reading Vegetative N RM0209134 N 169 RM 268948 Larson 2006 RM 956699 RM0209133 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-22354 Jill E. Larson 7381 James Lucero 29 6 2006 U.S.A. New Mexico Taos Carson National Forest and Vicinity: Sangre de Cristo Range: Pueblo de Taos Indian Reservation: Lucero Canyon from footbridge to Martinez Canyon; trail along Rio Lucero, ca 6 air mi E of Arroyo Seco and ca 5 air mi S of Twining. Moist areas along stream and along trail in canyon bottom. 8300 9300 ft. 36.5112° N, 105.4649° W; GPS Reading 36.5112 -105.4649 GPS Reading Vegetative N RM0209133 N 170 RM 269001 Larson 2006 RM 956698 RM0209132 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-22355 Jill E. Larson 7434 2 7 2006 U.S.A. New Mexico Taos Carson National Forest and Vicinity: Sangre de Cristo Range: along Agua Piedra Creek on Forest Trail 19 from Agua Piedra Recreational Area off NM Hwy 518, ca 0.5 air mi W of Tres Ritos. Riparian area along creek with Alnus tenuifolia, Salix species, Senecio triangularis, Aconitum, and Oxypolis fendleri. 8450 9400 ft. 36.1309° N, 105.5283° W; GPS Reading T22N R13E S23; also S26 and N1/2 S35 36.1309 -105.5283 GPS Reading Vegetative N RM0209132 N 171 RM 27312 Arizona/New Mexico RM 157524 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by W. R. Maxon. RM-5685 J. C. Blumer s.n. 19 10 1906 U.S.A. Arizona Cochise Chricahua Mountains: Barfoot Park. Rolling, andesitic pine land, recently lumbered. 8000 8250 ft. T17S R30E S33 31.917 -109.2804 NAD 83 1 mi. N N Nat. Geog. TOPO! Spores N N 172 RM 284332 Lyon 1994 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-22895 Margarette J. Lyon 5136 26 6 1994 U.S.A. Colorado Mesa San Miguel and Lower Dolores River Drainages: Grand Mesa National Forest: North Lobe Creek, hillside just W of creek. Dakota sandstone outcrops near top of hillside with aspen and Douglas fir. 9200 ft. 38.8352° N, 108.7439° W T14S R102W S13 38.8352 -108.7439 Flowering and Fruiting N N 173 RM 286108 Lyon 1994 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-22969 Margarette J. Lyon 6894 6 8 1994 U.S.A. Colorado San Miguel San Miguel and Lower Dolores River Drainages: Lizard Head Trail. Spruce-fir forest. 11800 ft. 37.8284° N, 107.866° W T41N R9W S9 37.8284 -107.866 Flowering and Fruiting N N 174 RM 288627 Mount Rushmore RM 804392 RM0127579 278 7056 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-23664 Cheryl Mayer 525 20 7 2005 U.S.A. South Dakota Pennington Black Hills: Mount Rushmore National Memorial: Starling Basin (drainage SW and S of The Heads), ca 0.2 mi upstream from south park boundary (southwest corner of Monument). Southeast-facing slope above Starling Basin; rocky, dry-mesic, shady; with ponderosa pine, Arctostaphylos uva-ursi. 4960 ft. 43.86956° N, 103.45993° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! zone 13, 4858512E, 623644N T2S R5E S13 NW1/4 of SW1/4; SE1/4 SE1/4 S13. 43.86956 -103.45993 NAD 83 0 mi. N N Nat. Geog. TOPO! LSB NPS Accession No. ACC 278; Catalog No. 7056. N RM0127579 N 175 RM 29806 Arizona/New Mexico RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-7195 Leslie N. Goodding 170 10 7 1909 U.S.A. Arizona Cochise Huachuca Mountains: Miller Canyon. Moist slopes. 5700 ft. T23S R20E S23 31.41669 -110.275 NAD 83 2 mi. N N Nat. Geog. TOPO! N N 176 RM 298607 Arnett 1998 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by Melanie Arnett. RM-23965 B. E. Nelson 43742 21 6 1998 U.S.A. Colorado Ouray Uncompahgre Basin: San Juan Mountains: along Forest Road 858 on Spruce Ridge, ca 1.8 air mi NW of Owl Creek Pass, ca 11.3 air mi NE of Ouray; ca 9 air mi E of Ridgway. Aspen forest. 9520 9600 ft. 38.1678° N, 107.586° W T45N R7W S12 NW1/4 38.1678 -107.586 Vegetative N N 177 RM 298840 Arnett 1998 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-23977 Melanie Arnett 1128 29 6 1998 U.S.A. Colorado Gunnison Southern Gunnison Basin: San Juan Mountains: along Van Boxel Creek, ca 2.4 air mi SSE of Butte Rock; ca 17.3 air mi NE of Ridgway. Heavily wooded riparian. 9120 9320 ft. 38.2994° N, 107.4936° W T47N R6W S26 SE1/4; also NE1/4 S35 38.2994 -107.4936 Vegetative N N 178 RM 30278 Arizona/New Mexico RM 74876 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-7379 Leslie N. Goodding 632 16 7 1910 U.S.A. Arizona Apache White Mountains: Black River: Thompsons Ranch. Steep, wet, moist slopes. 8300 ft. T6N R27E S26 33.88889 -109.47289 NAD 83 1 mi. N N Nat. Geog. TOPO! Spores N N 179 RM 307281 RMHERB1 RM 546195 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-24532 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; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO! T27N R72W S34 South1/2 42.2697 -105.4695 NAD 83 1 mi. Nat. Geog. TOPO! SC Vegetative N N 180 RM 32097 Arizona/New Mexico RM 530166 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-8229 Marion T. Hall s.n. 22 7 1958 U.S.A. Arizona Coconino 10 mi. S of Flagstaff on Hwy 179 (U. S. 89 Alt.): in Oak Creek Canyon. Western yellow pine, juniper and alder. 6000 ft. T19N R6E S14 35.0396 -111.7364 NAD 83 1 mi. N N Nat. Geog. TOPO! Spores N N 181 RM 338470 Porter RM 217899 RM0127615 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-31077 C. L. Porter 5496 14 7 1950 U.S.A. Wyoming Teton Near Idaho, [vicinity of Indian Lake]. Open lodgepole pine woods. 6800 ft. 44.0649° N, 111.0321° W; NAD 83, uncertainty 1 mi., Digital Map T47N R118W S4 44.0649 -111.0321 NAD 83 1 mi. Digital Map Located on the east side of Indian Lake; north of Bergman Reservoir; geo-locate.org. EL *northwestern Teton county* Vegetative N RM0127615 N 182 RM 34051 Arizona/New Mexico USFS 409588 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by D. W. Hayes & I. Tidestrom. RM-9264 Robert B. Ewing E-117 1925 U.S.A. New Mexico Soccorro Lincoln National Forest. Also Torrance County. Could not be mapped. Spores N N 183 RM 342509 Reif 2002 RM 816870 RM0104937 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-32804 Brian Reif 1420 Ron Hartman and Brian Jacobs 28 6 2002 U.S.A. New Mexico Los Alamos Santa Fe National Forest and Vicinity: Jemez Mountains: upper Guaje Canyon, 4 air mi NW of Los Alamos, from Guaje Reservoir W up canyon for 2.1 air mi. Mixed coniferous forest with corkbark fir on drainage slopes. Riparian and marsh in bottom. 8017 8661 ft. 35° 55.857' N, 106° 20.594' W to 35° 56.272' N, 106° 22.837' W; GPS reading T20N R5E S36 NE1/4; also SW1/4 S25 and South1/2 S26 35.93095 -106.343233 GPS reading Vegetative N RM0104937 N 184 RM 342579 Reif 2002 RM 816869 RM0104936 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-32807 Brian Reif 1481 29 6 2002 U.S.A. New Mexico Los Alamos Santa Fe National Forest and Vicinity: Jemez Mountains: ski lodge, north edge of Bandelier National Monument off NM Hwy 4, E 0.5 mi down drainage to American Springs. Excised drainage through burn. South slope of mixed conifers, nroth slope of dead standing timber. Gambels oak understory. 8200 8520 ft. 35° 49.917' N, 106° 23.291' W to 35° 50.219' N, 106° 22.966' W; GPS reading T19N R5E S35 35.83195 -106.388183 GPS reading Vegetative N RM0104936 N 185 RM 342714 Reif 2002 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-32809 Brian Reif 1601 2 7 2002 U.S.A. New Mexico Sandoval Santa Fe National Forest and Vicinity: Jemez Mountains: East Fork Jemez River at Las Conchas Trail 137 off NM Hwy 4, S of Valles Caldera National Preserve. NW on Trail 137 along river for 1.5 mi. Engelmann spruce slopes and cliffs of canyon margins. 8360 8410 ft. 35° 48.947' N, 106° 31.97' W to 35° 49.315' N, 106° 32.947' W; GPS reading T18N R4E S5; also NE1/4 S6 35.815783 -106.532833 GPS reading Vegetative N N 186 RM 342813 Reif 2002 RM 816868 RM0104935 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-32813 Brian Reif 1691 4 7 2002 U.S.A. New Mexico Sandoval Santa Fe National Forest and Vicinity: Jemez Mountains: San Antonio Creek, 3.8 air mi NNW of La Cueva. NE from Forest Road 376 to San Antonio Creek, E 1 mi up Ice Cave Canyon to Mushroom Basin, returning to Forest Road 376 0.8 mi N of start. Canyon riparian. 7960 8400 ft. 35° 55.137' N, 106° 39.233' W to 35° 55.067' N, 106° 38.523' W; GPS reading T19N R3E S6 N1/2 35.91895 -106.653883 GPS reading Vegetative N RM0104935 N 187 RM 342919 Reif 2002 RM 816867 RM0104934 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-32818 Brian Reif 1786 6 7 2002 U.S.A. New Mexico Rio Arriba Santa Fe National Forest and Vicinity: Jemez Mountains: Rito Caf‚ 12 air mi SW of Coyote. From Trail 32 at Forest Road 70 junction NW 1.5 air mi to crossing of Rito Caf‚ then 0.8 air mi SE down Rito Caf‚ before returning to start. Roadside. 9400 9850 ft. 36° 2.294' N, 106° 44.711' W; GPS reading T21N R2E S17; also NE1/4 S20 36.038233 -106.745183 GPS reading Vegetative N RM0104934 N 188 RM 343174 Reif 2002 RM 816866 RM0104933 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-32826 Brian Reif 2011 9 7 2002 U.S.A. New Mexico Sandoval Santa Fe National Forest and Vicinity: Jemez Mountains: Alamo Canyon and spring, 2 air mi E of Rabbit Mountain. From Forest Road 287-Mesa Road, at canyon crossing, 1.1 air mi SE down canyon. Then exiting N and returning across Sawyer Mesa via Mesa Road. Riparian bottom obstructed by large boulders and with nettle understory in a narrow, steep canyon of ponderosa pine/Douglas fir with volcanic cliffs. 8200 8740 ft. 35° 49.604' N, 106° 26.119' W to 35° 48.764' N, 106° 25.28' W; GPS reading T18N R5E S5 35.826733 -106.435317 GPS reading Vegetative N RM0104933 N 189 RM 343292 Reif 2002 RM 816865 RM0104932 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-32830 Brian Reif 2117 12 7 2002 U.S.A. New Mexico Sandoval Santa Fe National Forest and Vicinity: Jemez Mountains: Paso del Norte Road, 1 air mi SW of Rabbit Mountain. From saddle E 0.5 mi on road to Forest Road 36/268 junction then W 0.2 mi into drainage and back to start. Roadside. 8940 9200 ft. 35° 49.515' N, 106° 28.729' W T18N R4E S1 NW1/4; also NE1/4 S2 35.82525 -106.478817 Vegetative N RM0104932 N 190 RM 343418 Reif 2002 RM 816864 RM0104931 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-32834 Brian Reif 2228 12 7 2002 U.S.A. New Mexico Sandoval Santa Fe National Forest and Vicinity: Jemez Mountains: Paso del Norte Road, 2.5 air mi S of Rabbit Mountain. S for 0.3 air mi in drainage near Valles Grande Pumice Mine, and N 0.5 mi along ascending road that exits Del Norte Canyon Narrow canyon bottom of grass/sedge cut by road. 8100 8450 ft. 35° 47.669' N, 106° 28.181' W; GPS reading T18N R4E S13; also South1/2 S12 35.794483 -106.469683 GPS reading Vegetative N RM0104931 N 191 RM 343668 Reif 2002 RM 816863 RM0104930 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-32843 Brian Reif 2498 17 7 2002 U.S.A. New Mexico Sandoval Santa Fe National Forest and Vicinity: Jemez Mountains: Rito de las Vacas and campground off NM Hwy 126, 9 air mi E of Cuba. From campground 0.6 air mi along Rito Vacas, then exiting west slope and returning to start. West slope of mixed conifers. 8300 8700 ft. 35° 59.792' N, 106° 48.415' W to 36° 0.128' N, 106° 48.639' W; GPS reading T20N R1E S2 NW1/4; also T21N R1E SW1/4 S35 35.996533 -106.806917 GPS reading Vegetative N RM0104930 N 192 RM 344424 Reif 2002 RM 816862 RM0104929 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-32870 Brian Reif 3176 5 8 2002 U.S.A. New Mexico San Miguel Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Forest Road 83 in vicinity of Barillas Peak, 10 air mi E of Pecos. From Forest Road 83/Sebadilla Creek crossing E 1.4 mi on road. Roadside ascending through ponderosa pine/Douglas fir forest with aspen in drainages. Roadcuts of coarse, granitic gravel. 8300 8850 ft. 35° 34.523' N, 105° 29.407' W to 35° 34.31' N, 105° 28.943' W; GPS reading T16N R14E S32 35.575383 -105.490117 GPS reading Vegetative N RM0104929 N 193 RM 345038 Reif 2002 RM 816861 RM0104928 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-32888 Brian Reif 3727 13 8 2002 U.S.A. New Mexico San Miguel Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Grindstone Spring and Tecolote Creek off Forest Road 291, 16 air mi WNW of Las Vegas. From Forest Road 291 SW 0.5 air mi to Tecolote Creek. A steep west-facing, mixed conifer/aspen slope with sedimentary bluffs, seeps, and pockets of meadow. 8400 8850 ft. 35° 41.439' N, 105° 28.593' W; GPS reading T17N R14E S21 W1/2; also SE1/4 S20 35.69065 -105.47655 GPS reading Vegetative N RM0104928 N 194 RM 345392 Reif 2002 RM 816860 RM0104927 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-32898 Brian Reif 4045 15 8 2002 U.S.A. New Mexico San Miguel Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Maestas Creek on north side of Forest Road 391, 4.5 air mi WNW of Rociada. SW on road 0.3 air mi along creek to private drive. Roadside including cut banks of coarse volcanic rock, and lower forested slopes of mixed conifer/aspen. 8500 8680 ft. 35° 51.406' N, 105° 29.384' W to 35° 51.358' N, 105° 29.536' W; GPS reading T19N R14E S20 NW1/4; also NE1/4 S19 35.856767 -105.489733 GPS reading Spores N RM0104927 N 195 RM 34793 Arizona/New Mexico USFS 409587 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-9690 Robert R. Hill 70 P. H. Roberts 14 7 1916 U.S.A. Arizona Coconino Sitgreaves National Forest: Waters Ranger Station. Moist canyon bottom: distributed in gregarious abundance from 7400-7800 ft throughout/P4: poor forage value. 7400 ft. T12N R13E S2 34.46189 -110.9471 NAD 83 1 mi. N N Nat. Geog. TOPO! Spores N N 196 RM 349399 Reif 2003 RM 816859 RM0104892 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-33025 Brian Reif 5574 19 6 2003 U.S.A. New Mexico Rio Arriba Santa Fe National Forest and Vicinity: Jemez Mountains: Forest Road 77 S to Canada Spring in Canada Schmidt, 2 air mi ESE of Capulin Peak. N36.240 W106.728 SW 0.8 air mi to N36.231 W106.738 on ridge. Shallow grassy drainage parallel to road in mixed conifer forest; mostly ponderosa pine low on slopes, mature aspen in bottom. 8520 8920 ft. 36.24° N, 106.728° W to 36.231° N, 106.738° W; GPS Reading T23N R2E S9 South1/2; also NW1/4 S16 36.24 -106.728 GPS Reading Vegetative N RM0104892 N 197 RM 349907 Reif 2003 RM 816857 RM0104890 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-33041 Brian Reif 6082 4 7 2003 U.S.A. New Mexico Sandoval Santa Fe National Forest and Vicinity: Jemez Mountains: Paliza Canyon to Peralta Ridge, 6 air mi SW of Rabbit Mountain; from canyon bottom to SSE 0.2 air mi exiting canyon. Moist and steep, west-facing lower canyon slope of mixed conifers. 9000 ft. 35.766° N, 106.542° W; GPS Reading T18N R4E S29 35.766 -106.542 GPS Reading Vegetative N RM0104890 N 198 RM 350023 Reif 2003 RM 816856 RM0104889 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-33046 Brian Reif 6198 6 7 2003 U.S.A. New Mexico San Miguel Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: El Porvenir Canyon on Trail 247, 5 air mi W of San Ignacio, near Hollinger Canyon junction. Canyon bottom of mostly spruce, and moist lower slope of mixed conifers along trail; granite bluffs constricting canyon. 8200 8450 ft. 35.761° N, 105.45° W; GPS Reading T18N R14E S22 South1/2; also NW1/4 S27 35.761 -105.45 GPS Reading Vegetative N RM0104889 N 199 RM 350108 Reif 2003 RM 816855 RM0104888 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-33049 Brian Reif 6283 7 7 2003 U.S.A. New Mexico San Miguel Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Gallinas Creek from end of County Road 263, 20 air mi NW of Las Vegas; Trail 216, 1.2 air mi NW of road. Canyon bottom and lower slope, trailside, through spruce/fir forest; granite bluffs constricting canyon in places. 8630 9190 ft. 35.736° N, 105.523° W; GPS Reading T17N R13E S12 NE1/4; also T18N R13E S36 SW1/4 35.736 -105.523 GPS Reading Vegetative N RM0104888 N 200 RM 350147 Reif 2003 RM 816854 RM0104887 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-33050 Brian Reif 6322 8 7 2003 U.S.A. New Mexico San Miguel Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Hyde Canyon W of Shearer Ranch, 13 air mi due W of Las Vegas. Dry basin of ponderosa pine, with Gambels oak below, on coarse feldspar and with patches of exposed bedrock. 7720 ft. 35.6° N, 105.465° W; GPS Reading T16N R14E S22 SW1/4; also SE1/4 S21 35.6 -105.465 GPS Reading Vegetative N RM0104887 N 201 RM 350717 Reif 2003 RM 816853 RM0104926 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-33069 Brian Reif 6892 19 7 2003 U.S.A. New Mexico Santa Fe Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Forest Road 375, 1.7 air mi E of Glorieta Baldy at prominent switchback. Roadside; lower slopes and drainage in spruce/fir forest; limber pine, Jamesia, red maple, and aspen below; Rudebeckia dominant in drainage. 8900 ft. 35.656° N, 105.77° W; GPS Reading T17N R11E S34 SW1/4; also SE1/4 S33 35.656 -105.77 GPS Reading Vegetative N RM0104926 N 202 RM 350782 Reif 2003 RM 816858 RM0104891 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-33070 Brian Reif 6956 19 7 2003 U.S.A. New Mexico San Miguel Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Pecos Wilderness: Winsor Creek Trail 254, 2 air mi W of Cowles. SW1/4 air mi on trail. Riparian and trailside lower, moist canyon slopes in spruce/fir forest. 8680 ft. 35.817° N, 105.689° W; GPS Reading T18N R12E S32 SE1/4 35.817 -105.689 GPS Reading Vegetative N RM0104891 N 203 RM 351465 Reif 2003 RM 816852 RM0104925 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-33086 Brian Reif 7639 29 7 2003 U.S.A. New Mexico San Miguel Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Pecos Wilderness: Trail 288 along Cave Creek, 4 air mile NW of Cowles. N35.857 W105.706 SE 0.6 air mi to N35.851 W105.699. Trailside west-facing slope of spruce/fir above creek. 9200 9600 ft. 35.857° N, 105.706° W to 35.851° N, 105.699° W; GPS Reading T19N R12E S18 SE1/4; also NW1/4 S20 35.857 -105.706 GPS Reading Vegetative N RM0104925 N 204 RM 351752 Reif 2003 RM 816851 RM0104924 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-33100 Brian Reif 7924 3 8 2003 U.S.A. New Mexico Santa Fe Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Pecos Wilderness: Rio Nambe Trail 160 E from Trail 403 junction, 2 3/4 air mi WSW of Santa Fe Baldy. N35.824 W105.800 from junction ESE 0.5 air mi to N35.821 W105.793. Canyon bottom of mixed conifers and mature aspen. 8960 9400 ft. 35.824° N, 105.8° W to 35.821° N, 105.793° W; GPS Reading T18N R11E S5 NE1/4 35.824 -105.8 GPS Reading Vegetative N RM0104924 N 205 RM 352335 Reif 2003 RM 816850 RM0104923 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-33126 Brian Reif 8506 14 8 2003 U.S.A. New Mexico San Miguel Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Pecos Wilderness: Rociada Trail 249, 4.5 air mi NE of Cowles. N35.8498 W105.6083 0.9 air mi ENE on trail to N35.8563 W105.5936 at gate. Forested slope of mixed conifers and mature aspen with pockets of open meadow. 9500 9680 ft. 35.8563° N, 105.5936° W to 35.8498° N, 105.6083° W; GPS Reading T19N R13E S19 South1/2; also NW1/4 S20 35.8563 -105.5936 GPS Reading Vegetative N RM0104923 N 206 RM 352618 Reif 2003 RM 816849 RM0104922 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-33139 Brian Reif 8789 18 8 2003 U.S.A. New Mexico San Miguel Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Forest Road 60 along Sapello River, 2 air mi SW of Rociada; N35.8129 W105.4480 at corral NW 0.3 air mi to Surprise Valley Ranch at N35.8168 W105.4518. Roadside in canyon bottom and south-facing slope of mixed conifers/mature aspen; mostly ponderosa pine in exposed areas. 8000 ft. 35.8168° N, 105.4518° W to 35.8129° N, 105.448° W; GPS Reading T18N R14E S3 W1/2 35.8168 -105.4518 GPS Reading Vegetative N RM0104922 N 207 RM 352762 Reif 2003 RM 816848 RM0104921 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-33143 Brian Reif 8933 19 8 2003 U.S.A. New Mexico San Miguel Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Pecos Wilderness: Beaver Creek Trail 247, 5 air mi WSW of Rociada. N35.7800 W105.4941 WSW 0.8 air mi on trail along creek to N35.7954 W105.5073 at departure of drainage. Riparian and adjacent canyon bottom in spruce forest with mature aspen. 9120 9600 ft. 35.7954° N, 105.5073° W to 35.78° N, 105.4941° W; GPS Reading T18N R14E S7 35.7954 -105.5073 GPS Reading Vegetative N RM0104921 N 208 RM 352874 Reif 2003 RM 816847 RM0104920 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-33149 Brian Reif 9043 27 8 2003 U.S.A. New Mexico Mora Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: Capulin Canyon, 3 air mi SW of Ledoux; N35.9048 W105.3920 at east end of canyon W 0.7 air mi in bottom to N35.9027 W105.4037. Grazed meadow and riparian of bottom with north-facing spruce slope and south-facing ponderosa pine stands. 8425 8750 ft. 35.9027° N, 105.4037° W to 35.9048° N, 105.392° W; GPS Reading T19N R14E S1 NE1/4 35.9027 -105.4037 GPS Reading Vegetative N RM0104920 N 209 RM 353036 Reif 2003 RM 816846 RM0104919 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-33158 Brian Reif 9205 28 8 2003 U.S.A. New Mexico Mora Santa Fe National Forest and Vicinity: Sangre de Cristo Mountains: falls on North Fork Rio La Casa from Walker Flats to E, 5.5 air mi WNW of Cleveland. N36.0147 W105.4648 at Forest Road113 and flats W 0.9 air mi to falls at N36.0139 W105.4816. Meadow at the flats into spruce, Douglas fir, and white fir forest, and emerging onto riparian of river. 9200 9500 ft. 36.0147° N, 105.4648° W to 36.0139° N, 105.4816° W; GPS reading T21N R14E S33 NW1/4 36.0147 -105.4648 GPS reading Vegetative N RM0104919 N 210 RM 353193 Reif 2003 RM 816845 RM0104918 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-33162 Brian Reif 9362 1 9 2003 U.S.A. New Mexico Sandoval Santa Fe National Forest and Vicinity: Jemez Mountains: Battleship Rock Trail 137 at McCauley Warm Springs, 5 air mi NNE of Jemez Springs. Warm springs and riparian drainage in ponderosa pine forest. 7300 7400 ft. 35.8222° N, 106.6281° W; GPS Reading T18N R3E S4 W1/2 35.8222 -106.6281 GPS Reading Vegetative N RM0104918 N 211 RM 365571 RMHERB1 RM 157521 RM0127610 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-39679 Edwin B. Payson 3486 George M. Armstrong 13 7 1923 U.S.A. Wyoming Lincoln Alpine, (on the Snake River, near the Idaho boundary). Dense woods. 6500 ft. 43.1743° N, 111.0057° W; NAD 83, uncertainty 1 mi., Digital Map T37N R118W S21 43.1743 -111.0057 NAD 83 1 mi. Y Y Digital Map Located east of the Alpine Junction leading into the Grand Canyon; geo-locate.org. EL Vegetative N RM0127610 N 212 RM 365572 RMHERB1 RM 98121 RM0127611 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-39679 Edwin B. Payson 3486 George M. Armstrong 13 7 1923 U.S.A. Wyoming Lincoln Alpine, (on the Snake River, near the Idaho boundary). Dense woods. 6500 ft. 43.1743° N, 111.0057° W; NAD 83, uncertainty 1 mi., Digital Map T37N R118W S21 43.1743 -111.0057 NAD 83 1 mi. Y Y Digital Map Located east of the Alpine Junction leading into the Grand Canyon; geo-locate.org. EL Vegetative N RM0127611 N 213 RM 377127 RMHERB1 RM 105171 RM0127614 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-44051 H. S. Conard 1951 14 7 1926 U.S.A. Wyoming Teton Yellowstone National Park: Madison River near Junction. On the river. 6700 6800 ft. 44.6454° N, 110.8932° W; uncertainty 5 mi. T54N R116W S19; also S20 44.6454 -110.8932 5 mi. Spores N RM0127614 N 214 RM 383272 RMHERB1 RM 142419 RM0127612 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-47646 Louis O. Williams 1323 22 7 1933 U.S.A. Wyoming Teton Teton National Park: Mrs. Lucas Place; Bradley Creek. 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. Digital Map Located on the creek, east of Bradley Lake, and north of the Double Diamond Ranch; geo-locate.org. EL Spores N RM0127612 N 215 RM 39322 Baca 2001 RM 711889 RM0069917 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12045 Ronald L. Hartman 71763 29 6 2001 U.S.A. New Mexico Rio Arriba Valles Caldera National Preserve: Jemez Mountains: Sierra de los Valles: Rabbit Mountain along west ridge to summit and NW to NM Hwy 4. Wooded slopes with blue spruce, Douglas fir, corkbark fir, white fir, pondersoa pine, limber pine; summit with rock slide and roadside below. 8600 9938 ft. 35° 50' 0" N, 106° 28' 30" W; uncertainty 1 mi. 35.833333 -106.475 1 mi. Spores N RM0069917 N 216 RM 401810 WYNDD RM 703888 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-59964 Walter Fertig 19626 25 6 2001 U.S.A. Wyoming Sheridan Big Horn Range: Story Fish Hatchery N of South Piney Creek, 1.5 mi W of Story. Shady Pinus ponderosa forest with understory of Crataegus columbiana and Acer glabrum on mesic, loamy soils. 5460 ft. 44.5704° N, 106.919° W; uncertainty 0.25 mi. T53N R84W S13 NW1/4 of SW1/4 44.5704 -106.919 0 mi. Vegetative N N 217 RM 40261 Baca 2001 RM 711888 RM0069920 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12063 Ronald L. Hartman 73254 30 7 2001 U.S.A. New Mexico Sandoval Valles Caldera National Preserve: Jemez Mountains: Sulphur Springs gate NE ca 1 road mi to and beyond Sulphur Springs. Roadside, stream bottoms, and sulphur springs. 8200 8400 ft. 35° 54' 12.9" N, 106° 37' 15.2" W; uncertainty 1 mi. 35.903583 -106.620889 1 mi. Spores N RM0069920 N 218 RM 40735 Baca 2001 RM 711887 RM0069921 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12072 Ronald L. Hartman 74169 15 9 2001 U.S.A. New Mexico Sandoval Valles Caldera National Preserve: Jemez Mountains: Bunkhouse NW along W ridge to logging road at 9100 ft, then 10,000 ft, below saddle between Redondo and Redondito peaks, N on 10000 ft road to ridge E of La Jara Creek to Bunkhouse; up to 10000 ft. Road through mixed conifers with seeps and drainage across road. 8700 9130 ft. 35° 52' 17.9" N, 106° 32' 11.3" W; uncertainty 1 mi. 35.871639 -106.536472 1 mi. Spores N RM0069921 N 219 RM 407658 RMRS RMRS 93 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by William L. Maxon in 1935. RM-63663 Elbert L. Little 4013 17 8 1935 U.S.A. Arizona Gila Tonto National Forest: Sierra Ancha Experimental Forest: Parker Creek Branch Station. 5070 ft. 33.7967° N, 110.9698° W T5N R13E S1 33.7984 -110.9702 NAD 83 3 mi. N N Nat. Geog. TOPO! Spores N N 220 RM 40848 Baca 2001 RM 711886 RM0069916 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12080 Ronald L. Hartman 74282 17 9 2001 U.S.A. New Mexico Sandoval Valles Caldera National Preserve: Jemez Mountains: general route - west gate (Sulphur Springs Road) N along west side fence to Sulphur Point and San Antonio Mountain E on road to 9200 ft and bushwack to Sulphur Springs Road; drop down to Sulphur Springs Road from 9200 ft on San Antionio Mountain Road. N35 55' 54.5" W106 35' 58.5" 9200 ft. 35.9318° N, 106.5996° W; uncertainty 1 mi. 35.9318 -106.5996 1 mi. Spores N RM0069916 N 221 RM 408494 RMRS RMRS 92 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-64129 Herbert W. Graham s.n. 28 7 1927 U.S.A. Arizona Gila 12 miles south of Globe: Pinal Peak. 7800 ft. 33.2823° N, 110.8212° W T2S R15E S4 33.28199 -110.82099 NAD 83 2 mi. N N Nat. Geog. TOPO! Spores N N 222 RM 40914 Baca 2001 RM 711885 RM0069922 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12082 Ronald L. Hartman 74348 19 9 2001 U.S.A. New Mexico Sandoval Bandelier National Monument: between Scooter Peak and Rabbit Mountain, on south side. Meadows and stock pond. 8934 ft. 35° 50' 0.2" N, 106° 26' 35.7" W; uncertainty 1 mi. 35.833389 -106.44325 1 mi. Spores N RM0069922 N 223 RM 409258 RMRS RMRS 91 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-64563 Livingstaus(?) & Thornber s.n. 8 8 1906 8 Aug 1906(?) U.S.A. Arizona no county Santa Catalina Mountains: Soldiers Camp Spores N N 224 RM 409292 RMRS RMRS 91 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-64583 Livingston s.n. Thornber 8 8 1906 8 Aug 1906(?) U.S.A. Arizona Pima Santa Catalina Mountains: Soldiers Camp. 32.427° N, 110.7412° W 32.427 -110.7412 Spores N N 225 RM 41466 Baca 2002 RM 735727 RM0069918 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12104 Ronald L. Hartman 76760 20 8 2002 U.S.A. New Mexico Sandoval Valles Caldera National Preserve: Jemez Mountains: road at pass by South Mountain, N 1 mi on Redondo Peak. Rocky slopes with patchy grassy areas and conifers. 9880 9960 ft. 35° 50.926' N, 106° 32.487' W to 35° 51.427' N, 106° 32.699' W; GPS Reading 35.848767 -106.54145 GPS Reading Spores N RM0069918 N 226 RM 415589 Routt 2001 RM 763955 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-65426 B. E. Nelson 54477 24 7 2001 U.S.A. Colorado Routt North-central Colorado: Park Range: Walton Peak and vicinity, ca 4-5 air mi SW of Rabbit Ears Pass, ca 12 air mi SE of Steamboat Springs. Stony ridge on volcanic substrate. 9920 10559 ft. 40.3482° N, 106.7004° W; uncertainty 2 mi. T5N R83W S34 N1/4; also SW1/4 S26 and SE1/4 S27 40.3482 -106.7004 2 mi. Vegetative N N 227 RM 41701 Baca 2002 RM 735228 RM0069919 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12113 Ronald L. Hartman 76994 22 8 2002 U.S.A. New Mexico Sandoval Valles Caldera National Preserve: Jemez Mountains: Redondo Creek, 1.5 mi upstream of Union Building; Union Oil Geothermal Network of drilling pads, 7-8 tiers of platforms. Grassy disturbed areas and roadsides. 9033 9400 ft. 35° 53.729' N, 106° 34.519' W; GPS Reading 35.895483 -106.575317 GPS Reading Spores N RM0069919 N 228 RM 417012 Routt 2001 RM 763954 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-65449 B. E. Nelson 56123 22 8 2001 U.S.A. Colorado Routt North-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. Clearcut with aspen regeneration. 8360 8900 ft. 40.694° N, 106.8354° W; uncertainty 1 mi. T9N R84W S32 40.694 -106.8354 1 mi. Spores N N 229 RM 42018 Baca 2003 RM 768686 RM0069915 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12121 B. E. Nelson 59901 7 8 2003 U.S.A. New Mexico Sandoval Valles Caldera National Preserve: Jemez Mountains: on the ridge W of Valle Grande, ca 1 1/4-1 3/4 air mi N of Ranch Headquarters, ca 12.5 air mi W of Los Alamos. Along small stream, springs in the adjacent forest, and adjacent blue spruce/white fir forest. 8900 9600 ft. 35.8806° N, 106.518° W; GPS Reading 35.8806 -106.518 GPS Reading Spores N RM0069915 N 230 RM 42219 Baca 2003 RM 768685 RM0069910 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12125 B. E. Nelson 60100 11 8 2003 U.S.A. New Mexico Sandoval Valles Caldera National Preserve: Jemez Mountains: along the northeast and north side of San Antonio Mountain to the west boundary, ca 17-18 air mi WNW of Los Alamos. Along old logging road, mixed conifer/aspen forest, and clearings. 9000 9350 ft. 35.9437° N, 106.5989° W to 35.9463° N, 106.6204° W; GPS Reading 35.9437 -106.5989 GPS Reading Spores N RM0069910 N 231 RM 42273 Baca 2003 RM 768684 RM0069911 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12126 B. E. Nelson 60154 11 8 2003 U.S.A. New Mexico Sandoval Valles Caldera National Preserve: Jemez Mountains: from the north base of San Antonio Mountain N along the west boundary fence to San Antonio Creek, ca 18-18.5 air mi WNW of Los Alamos. Mixed conifer/aspen forest. 8400 9000 ft. 35.9463° N, 106.6204° W to 35.9576° N, 106.6219° W; GPS Reading 35.9463 -106.6204 GPS Reading Spores N RM0069911 N 232 RM 42761 Baca 2003 RM 768683 RM0069912 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12143 Ronald L. Hartman 77263 4 6 2003 U.S.A. New Mexico Sandoval Valles Caldera National Preserve: Jemez Mountains: Alamo Canyon, upper reaches in valley to the E of main road. Valley with small streams; blue spruce, Douglas fir, white fir. 9114 ft. 35° 54.421' N, 106° 35.36' W; GPS Reading 35.907017 -106.589333 GPS Reading Vegetative N RM0069912 N 233 RM 42956 Baca 2003 RM 768682 RM0069913 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12153 Ronald L. Hartman 78104 Jonathan Coop 19 7 2003 U.S.A. New Mexico Sandoval Valles Caldera National Preserve: Jemez Mountains: Short Canyon, lower 0.5 air mi. Grassy slopes with scattered patches of pine and oak. 8490 8650 ft. 35° 55.023' N, 106° 36.191' W to 35° 54.701' N, 106° 35.952' W; GPS Reading 35.91705 -106.603183 GPS Reading Spores N RM0069913 N 234 RM 43069 Baca 2003 RM 768681 RM0069914 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12158 Ronald L. Hartman 78217 24 7 2003 U.S.A. New Mexico Sandoval Valles Caldera National Preserve: Jemez Mountains: Puerta de Trasquilar NW up end of Trasquilar. South exposure with oak and aspen. 8925 9360 ft. 35° 56.386' N, 106° 29.762' W to 35° 56.541' N, 106° 30.01' W; GPS Reading 35.939767 -106.496033 GPS Reading Spores N RM0069914 N 235 RM 503479 So Rocky Mts RM 153002 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-98444 Alan A. Beetle 2327 4 9 1937 U.S.A. Colorado Routt Rabbit Ears Pass. Humus. 8500 ft. Vegetative N N 236 RM 503480 So Rocky Mts USFS 409505 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-98444 Alan A. Beetle 2327 4 9 1937 U.S.A. Colorado Routt Rabbit Ears Pass. Conifer forest in humus. 8500 ft. Vegetative N N 237 RM 503481 So Rocky Mts USFS 409597 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by Rogers McVaugh. RM-98445 Alan A. Beetle B-2327 4 9 1937 U.S.A. Colorado Routt Routt National Forest: Rabbit Ears Pass. Conifer forest in humus. Vegetative N N 238 RM 503505 So Rocky Mts RM 132531 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-98455 Aven Nelson 212 Ruth A Nelson 10 8 1932 U.S.A. New Mexico Sandoval Jemez Canyon: near Sulphur Mine. In upper canyon. 8200 ft. 35.9087 -106.6161 NAD 83 2 mi. Y N Nat. Geog. TOPO! Spores N N 239 RM 503607 So Rocky Mts RM 184919 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-98503 C. L. Porter 2023 24 6 1935 U.S.A. New Mexico Rio Arriba Near Chama. In oak thickets. 8000 ft. 36.9037 -106.57899 NAD 83 2 mi. N N Nat. Geog. TOPO! Vegetative N N 240 RM 503953 So Rocky Mts RM 157525 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-91760 George E. Osterhout 5877 9 9 1916 U.S.A. Colorado Larimer Glacier Park: Estes Park, South Fork. Vegetative N N 241 RM 504018 So Rocky Mts RM 210052 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-98663 Joseph A. Ewan 12072 16 7 1939 U.S.A. Colorado Boulder Green Canyon: Green Mountain: N slope. Along creek bed among brush, box elders and willows. 6100 ft. Vegetative N N 242 RM 504050 So Rocky Mts USFS 409506 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-98683 K. H. Lancaster 40 C. W. Doran and V. L. Bunderson 6 7 1939 U.S.A. Colorado Montrose Uncompahgre National Forest. Fair abundance in aspen forest; 15% east slope in deep loam with Ala, Hho, LAT and Tmo. 9400 ft. T47N R11W S19 Vegetative N N 243 RM 504051 So Rocky Mts USFS 409596 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by Rogers McVaugh in 1939. RM-98683 K. H. Lancaster 40 C. W. Doran and V. L. Bunderson 6 7 1939 U.S.A. Colorado Montrose Uncompahgre National Forest. Fair abundance in aspen forest; 15% east slope in deep loam with Ala, Hho, LAT and Tmo. 9400 ft. T47N R11W S19 Vegetative N N 244 RM 504174 So Rocky Mts USFS 409594 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by Dr. R. M. Tryon, Jr. in 1955. RM-98741 Paul L. Ginter 1122 26 6 1946 U.S.A. Colorado Routt Near Routt National Forest: 10 mi W of Rabbit Ears Pass. Very common in oak brush on moist slopes of loam. 8500 ft. Vegetative N N 245 RM 504253 So Rocky Mts USFS 409595 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-98785 Robert F. Copple 154 15 8 1920 U.S.A. Colorado Dolores Montezuma National Forest. Scattering in aspen forest. 8600 ft. T41N R16W S35 Vegetative N N 246 RM 504270 Philmont 1968 RM 299335 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-75239 Ronald L. Hartman 2012 20 6 1968 U.S.A. New Mexico Colfax Philmont Scout Ranch, near Cimarron: near junction of the South and Middle Fork Cimarroncito Creek, on road to Cyphers Mine. Common on moist, shaded, north exposure. 8400 ft. 36.4831 -105.08929 NAD 83 0 mi. N N Nat. Geog. TOPO! Vegetative N N 247 RM 504274 Philmont 1968 RM 299333 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-75257 Ronald L. Hartman 2131 25 6 1968 U.S.A. New Mexico Colfax Philmont Scout Ranch, near Cimarron: South Ponil Canyon, 1 mi W of Pueblano Camp. Common on shaded, south exposure. 8200 ft. 36.62839 -105.12309 NAD 83 0 mi. N N Nat. Geog. TOPO! Vegetative N N 248 RM 504386 So Rocky Mts RM 57372 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-76403 W. W. Robbins 1617 25 6 1906 U.S.A. Colorado Boulder South Boulder Canyon, near Boulder. Vegetative N N 249 RM 504388 So Rocky Mts RM 57375 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-76407 W. W. Robbins 1806 16 7 1906 U.S.A. Colorado Boulder Bear Canyon, near Boulder. Vegetative N N 250 RM 504393 So Rocky Mts RM 57373 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-76410 W. W. Robbins 2192 21 7 1906 U.S.A. Colorado Boulder Sugar Loaf Mountain. 8917 ft. 40.0269° N, 105.4189° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! 40.0269 -105.4189 NAD 83 0 mi. Y Nat. Geog. TOPO! LB Vegetative N N 251 RM 504397 So Rocky Mts RM 57374 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-76415 W. W. Robbins 2328 27 7 1906 U.S.A. Colorado Boulder Eldora. Vegetative N N 252 RM 514754 Markow 1991 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-99249 Stuart Markow 5033 5 8 1991 U.S.A. Idaho Teton Targhee National Forest: East Slope Big Hole Mountains: Patterson Creek Trail, ca 7 air mi NW of Victor. Coniferous forest adjacent to creek, dominated by Abies lasiocarpa, Pinus contorta, and Picea engelmannii, some riparian. 6200 6600 ft. T4N R44E S35; also S36 43.6295 -111.2315 1 mi. Calc. from TRS N N 253 RM 517222 Markow 1992 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-99334 Stuart Markow 7257 10 6 1992 U.S.A. Idaho Fremont Targhee National Forest: Island Park Plateau: Anderson Mill Canyon Road, near intersection with U.S. Hwy 20, ca 7 air mi N of Ashton. Within coniferous forest dominated by Pinus contorta, Salix scouleriana, some Pseudotsuga and Abies. 6100 6200 ft. T10N R43E S29; also S30 44.1652 -111.4053 1 mi. Calc. from TRS N N 254 RM 528819 Vanderhorst 1991 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-102454 James P. Vanderhorst 2704 19 6 1991 U.S.A. Colorado Garfield Flat Tops/White River Plateau: Mitchell Creek, ca 3 air mi NW of downtown Glenwood Springs. Lush, overgrown creek bottom, with narrowleaf cottonwood, Douglas fir, blue spruce, aspen, dogwood, and water birch. 6000 7600 ft. 39.5859° N, 107.3622° W T5S R89W S27 39.5859 -107.3622 N N 255 RM 530015 Vanderhorst 1991 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-102522 James P. Vanderhorst 3764 4 8 1991 U.S.A. Colorado Rio Blanco Flat Tops/White River Plateau: Rough Creek, ca 17 air mi WSW of Oak Creek. Aspen woods. 8600 ft. 40.1717° N, 107.2606° W T2N R88W S3 40.1717 -107.2606 N N 256 RM 54285 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12632 Heather Bradtke 1393 Stuart Markow 1 7 2001 U.S.A. Oregon Umatilla Umatilla National Forest and Vicinity: Camp Creek Trail, near Meacham Creek. Trail under mixed conifer forest transitioning into grand fir forest with Lactuca serriola, Polystichum, Pteridium, Galium, Claytonia and grasses; area heavily grazed; soil deep, brown; slope 5-10; aspect westerly. 2200 2500 ft. 45° 34' 52" N, 118° 18' 52" W; GPS Reading T1N R36E S9; also SE1/8 S4 45.581111 -118.314444 GPS Reading Vegetative N N 257 RM 54563 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12636 Heather Bradtke 1640 5 7 2001 U.S.A. Oregon Umatilla Umatilla National Forest and Vicinity: along Forest Road 54 and Pearson Creek, ca 9 mi SSE of Pilot Rock. Midslope near or under partial shade of mixed conifers, with lupines, Tragopogon, and Equisetum; soil of moderate depth, brown; slope 10-20; aspect westerly. 3400 4850 ft. 45° 19' 54" N, 118° 43' 0" W; GPS Reading T3S R33E S3; also S4 45.331667 -118.716667 GPS Reading Vegetative N N 258 RM 545943 Wood 1995 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-103536 Jean Wood 3564 16 8 1995 U.S.A. Washington Ferry Western Colville National Forest and Vicinity: Kettle Range: Trailhead and parking area to Hall Ponds, ca 12 air mi SE of Republic; Forest Road 600 from Hall Creek on west side of Sherman Pass. Mixed forest of ponderosa pine to subalpine fir. 4600 ft. 48.5323° N, 118.5534° W T35N R34E S16 SE1/4 48.5323 -118.5534 Vegetative N N 259 RM 548146 Wood 1996 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-103600 Jean Wood 5055 25 6 1996 U.S.A. Washington Stevens Western Colville National Forest and Vicinity: Columbia River and Tom Bush Creek, ca 2.5 air mi S of Waneta border station on Wash Hwy 251. Creekside. 1400 1700 ft. 48.9649° N, 117.7485° W T40N R40E S17 SE1/4; also SW1/4 S16 48.9649 -117.7485 Vegetative N N 260 RM 548188 Wood 1996 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-103601 Jean Wood 5097 25 6 1996 U.S.A. Washington Stevens Western Colville National Forest and Vicinity: Black Canyon ridgetop, ca 6 air mi ESE of Northport. Cool, moist subalpine forest; Abies lasiocarpa, hemlock, cedar; also roadside. 4000 4680 ft. 48.8955° N, 117.6621° W T39N R41E S8 E1/2; also NW1/4 S17 48.8955 -117.6621 Vegetative N N 261 RM 54884 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12640 Heather Bradtke 193 14 6 2001 U.S.A. Oregon Umatilla Umatilla National Forest and Vicinity: from Forest Road 31 at Forest Road 3109 going up Sugar Loaf Mountain. Gently sloping terrain, grand fir with Lonicera understory; soil fine, deep, brown; slope 0-5; aspect mountain top. 4303 4600 ft. 45° 26' 30.9" N, 118° 13' 41" W; GPS Reading T1S R37E S30 South1/2; also N1/2 S31 45.441917 -118.228056 GPS Reading Vegetative N N 262 RM 549957 Wood 1996 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-103631 Jean Wood 6847 1 8 1996 U.S.A. Washington Stevens Western Colville National Forest and Vicinity: Deer Creek, ca 6 air mi SW of Ione. Riparian zone in cedar-hemlock forest between clearcuts. 3600 ft. 48.6485° N, 117.5301° W T36N R42E S5 NW1/4 48.6485 -117.5301 Vegetative N N 263 RM 55270 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12645 Heather Bradtke 2277 14 7 2001 U.S.A. Washington Columbia Umatilla National Forest and Vicinity: off Forest Road 4620, near Kendall Monument. Mixed conifer overstory, Alnus and maple middle story with Chimaphila in understory. 4100 4400 ft. 46° 14' 48" N, 117° 45' 22" W; uncertainty 1 mi. T9N R40E S24 46.246667 -117.756111 1 mi. Vegetative N N 264 RM 55448 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12648 Heather Bradtke 2437 16 7 2001 U.S.A. Oregon Umatilla Umatilla National Forest and Vicinity: Black Mountain Circle, Forest Road 80 off Forest Road 3128, ca 10 air mi ENE of Emmigrant State Park. Dry area of mixed conifer woods; soil fine, deep, pale; slope 0-15; aspect east. 4800 5150 ft. 45° 36' 2" N, 118° 14' 33" W; GPS Reading T1N R37E S6 45.600556 -118.2425 GPS Reading Vegetative N N 265 RM 55659 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12653 Heather Bradtke 2627 18 7 2001 U.S.A. Oregon Union Umatilla National Forest and Vicinity: Little Phillips Creek near Will Rogers Spring, ca 9.5 air mi NW of Elgin. Riparian area; soil rocky to organic; slope 0-10; aspect ravine. 4200 4400 ft. 45° 40' 6" N, 118° 2' 16" W; GPS Reading zone 11, 5057485E, 419160N; GPS Reading T2N R38E S10; NE1/2 of SPB42 and SW1/4 of SPB44 45.668333 -118.037778 GPS Reading Vegetative N N 266 RM 56277 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12663 Heather Bradtke 3180 28 7 2001 U.S.A. Washington Walla Walla Umatilla National Forest and Vicinity: Cold Springs ca 1/2 air mi from Table Rock Lookout, ca 16 air mi E from Walla Walla. Partially shaded by Alnus and Sorbus in a wet area close to spring; soil fine, deep, light brown; slope 5-10; aspect easterly. 5400 6000 ft. 46° 1' 40" N, 117° 54' 12" W; GPS Reading zone 11, 5097301E, 430097N; GPS Reading T7N R39E S2 E1/2 46.027778 -117.903333 GPS Reading Vegetative N N 267 RM 56490 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12666 Heather Bradtke 3372 30 7 2001 U.S.A. Oregon Umatilla Umatilla National Forest and Vicinity: North Fork Walla Walla River Trail to ca 4 air mi from Forest Road 65, 5 mi E of Milton-Freeewater. Moderately dry slope 60 feet above river in shade of grand fir; soil fine, deep; slope 10-20; aspect south. 3400 4800 ft. 45° 56' 30" N, 118° 0' 4" W to 45° 55' 17" N, 118° 3' 22" W; uncertainty 2 mi. T5N R38E S1 N1/4; 1; also S10 45.941667 -118.001111 2 mi. Vegetative N N 268 RM 56577 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12666 Heather Bradtke 3450 30 7 2001 U.S.A. Oregon Umatilla Umatilla National Forest and Vicinity: North Fork Walla Walla River Trail to ca 4 air mi from Forest Road 65, 5 mi E of Milton-Freeewater. Dry forest with Douglas fir overstory; soil fine, deep, brown; slope 10-20; aspect ravine. 3400 4800 ft. 45° 56' 30" N, 118° 0' 4" W to 45° 55' 17" N, 118° 3' 22" W; uncertainty 2 mi. T5N R38E S1 N1/4; 1; also S10 45.941667 -118.001111 2 mi. Vegetative N N 269 RM 56806 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12670 Heather Bradtke 3656 1 8 2001 U.S.A. Oregon Umatilla Umatilla National Forest and Vicinity: Forest Road 21 near Bear Camp Springs, ca 10 air mi NNW of La Grande. Under mixed conifers; soil fine, semi-deep; slope 0-20; aspect westerly. 4850 5180 ft. 45° 30' 45.4" N, 118° 10' 50.9" W; GPS Reading T1S R37E S4 NE1/4; also T1N R37E SE1/4 S33 45.512611 -118.180806 GPS Reading Vegetative N N 270 RM 57159 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12677 Heather Bradtke 3974 3 8 2001 U.S.A. Washington Columbia Umatilla National Forest and Vicinity: Forest Road 64, ca 2 mi W of Bluewood Ski Area, ca 10 air mi E of Walla Walla. Dry woods area; soil fine, deep. 5200 5600 ft. 46° 5' 16" N, 117° 54' 4" W; uncertainty 2 mi. T7N R39E S14; also S13 46.087778 -117.901111 2 mi. Vegetative N N 271 RM 57175 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12679 Heather Bradtke 3989 5 8 2001 U.S.A. Oregon Union Umatilla National Forest and Vicinity: near Big Sink & Mottet Creek, ca 15 mi N of Elqin. Semi-dry woods with mature mixed conifer with understory of graminoids and forbs; soil fine, deep; slope 5; aspect southeast. 3400 3600 ft. 45° 46' 23" N, 117° 54' 43" W; GPS Reading T4N R39E S34 SE1/4; also T3N R39E NE1/4 S3 45.773056 -117.911944 GPS Reading Vegetative N N 272 RM 57298 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12681 Heather Bradtke 4099 5 8 2001 U.S.A. Oregon Wallowa Umatilla National Forest and Vicinity: Elk Flats Trail, ca 30 air mi E of Milton-Freewater. Mixed conifer woods; soil fine; slope 0-20; aspect southeast. 2900 4800 ft. 45° 55' 6.6" N, 117° 46' 24.3" W to 45° 56' 52.1" N, 117° 47' 41.4" W; GPS Reading T5N R40E S14 NE1/4; also S11, NE1/4 S10; also S3 45.9185 -117.773417 GPS Reading Vegetative N N 273 RM 57505 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12683 Heather Bradtke 4285 7 8 2001 U.S.A. Oregon Wallowa Umatilla National Forest and Vicinity: Timothy Spring Trail along South Fork Wenaha River to Milk Creek, ca 24 air mi E of Milton-Freewater. In mixed conifer woods; soil fine, deep; slope 5-10; aspect northerly. 3400 4800 ft. 45° 51' 56.8" N, 117° 53' 32.8" W to 45° 54' 47.2" N, 117° 52' 58.2" W; uncertainty 0.5 mi. zone 11, 5079523E, 430729N T5N R39E S36; also S35, S26, S23, S13 45.865778 -117.892444 1 mi. Vegetative N N 274 RM 57551 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12683 Heather Bradtke 4326 7 8 2001 U.S.A. Oregon Wallowa Umatilla National Forest and Vicinity: Timothy Spring Trail along South Fork Wenaha River to Milk Creek, ca 24 air mi E of Milton-Freewater. Open slope; soil shallow; slope 5-10; aspect northerly. 3400 4800 ft. 45° 51' 56.8" N, 117° 53' 32.8" W to 45° 54' 47.2" N, 117° 52' 58.2" W; uncertainty 0.5 mi. zone 11, 5079523E, 430729N T5N R39E S36; also S35, S26, S23, S13 45.865778 -117.892444 1 mi. Vegetative N N 275 RM 57626 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12623 Heather Bradtke 44 10 6 2001 U.S.A. Oregon Umatilla Umatilla National Forest and Vicinity: along North Fork Umatilla River, 0.5-1 air mi ESE of Corporation Guard Station. Douglas-fir and populus overstory and alder spp. along the river; soil fine, deep, light brown; slope 0-15; aspect southwest. 2300 2700 ft. 45° 43' 36" N, 118° 11' 8" W; GPS Reading T3N R37E S22 45.726667 -118.185556 GPS Reading Vegetative N N 276 RM 57745 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12687 Heather Bradtke 547 19 6 2001 U.S.A. Oregon Umatilla Umatilla National Forest and Vicinity: where Forest roads 3130 and 3128 meet, ca 2 air mi ENE of Goodman Lookout. Mesic moderately old mixed conifer stand interspersed with sunny openings; soil fine, powdery, brown; slope 0-10; aspect ridgetop. 4600 4950 ft. 45° 36' 33.6" N, 118° 10' 12" W; GPS Reading T2N R37E S33 SE1/4; also SW1/4 S34 and T1N R37E NE1/4 S4 and NW1/4 S3 45.609333 -118.17 GPS Reading Vegetative N N 277 RM 57831 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12688 Heather Bradtke 623 20 6 2001 U.S.A. Oregon Union Umatilla National Forest and Vicinity: moving downslope from Forest Road 300, near Alder Lookout. Open mixed conifer stand; soil fine, deep, brown; slope 0-20; aspect east. 4000 5000 ft. 45° 50' 39" N, 117° 47' 24.2" W; GPS Reading T4N R40E S2 South1/2; also N1/2 S11 and NE1/4 S10 45.844167 -117.790056 GPS Reading Vegetative N N 278 RM 57949 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12689 Heather Bradtke 729 20 6 2001 U.S.A. Oregon Union Umatilla National Forest and Vicinity: where Jarboe Creek meets Forest Road 6413. Mixed conifer forest, with Vaccinium and forbs in understory; soil fine, deep, brown; slope 5; aspect south. 4000 4400 ft. 45° 49' 57" N, 117° 51' 47" W; GPS Reading T4N R40E S7 South1/4; also N1/2 S18 45.8325 -117.863056 GPS Reading Vegetative N N 279 RM 58067 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12690 Heather Bradtke 835 24 6 2001 U.S.A. Oregon Wallowa Umatilla National Forest and Vicinity: where Forest roads 62 and 6214 intersect, near the trail to Hoodoo. Open area (regenerating area) of mixed conifer stand dominated by browsed roses, Mahonia, Symphoricarpos, Ribes, Spiraea and Linnaea; soil fine, ashy, pale; slope 0-10; aspect ridgetop and south. 4100 4400 ft. 45° 56' 33" N, 117° 37' 44" W; GPS Reading T5N R41E S2 E1/2; also S1 45.9425 -117.628889 GPS Reading Vegetative N N 280 RM 58153 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-12691 Heather Bradtke 912 24 6 2001 U.S.A. Oregon Wallowa Umatilla National Forest and Vicinity: off Forest Road 64 and old Forest Road 240. Mixed conifer woods; soil fine, ashy, pale; slope 0-10; aspect north. 4600 4850 ft. 45° 55' 43" N, 117° 43' 12" W; GPS Reading T5N R41E S5 SW1/4; also NW1/4 S8 45.928611 -117.72 GPS Reading Vegetative N N 281 RM 58534 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by Heather Bradtke. RM-12697 Ronald L. Hartman 70936 Heather Bradtke 8 6 2001 U.S.A. Washington Columbia Umatilla National Forest and Vicinity: Conners Gulch, end of Forest Road 4620.050, ca 9.5 air mi SE of Dayton. Roadsides, wooded slopes with ponderosa pine and Douglas fir. 3400 3600 ft. 46° 13' 20.9" N, 117° 45' 34.7" W; GPS Reading T9N R40E S25 46.222472 -117.759639 GPS Reading Vegetative N N 282 RM 58667 Bradtke 2001 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by Heather Bradtke. RM-12700 Ronald L. Hartman 71069 Heather Bradtke 8 6 2001 U.S.A. Washington Columbia Umatilla National Forest and Vicinity: east side of Chase Mountain from North Fork Touchet River, 0.5-1.5 air mi SW of Middle Point Ridge Trail. Scab area. 4600 ft. 46° 7' 56.8" N, 117° 48' 32.4" W; GPS Reading T8N R40E S33 46.132444 -117.809 GPS Reading Spores N N 283 RM 665389 Marriott 1983 RM 370861 RM0127613 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-110488 Hollis Marriott 3821 3 7 1983 U.S.A. Wyoming Crook Black Hills: Bear Lodge Mountains: Cook Lake, ca 7.2 air mi SSE of Alva. Wet draws off Taylor Drive, pine-aspen-birch forest. 4750 ft. 44.5958° N, 104.4072° W; uncertainty 1 mi. T53N R63W S10 South1/2 44.5958 -104.4072 1 mi. Spores N RM0127613 N 284 RM 681381 RMRS RMRS 93 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by William L. Maxon in 1935.
1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by William L. Maxon in 1935. RM-63662 Elbert L. Little 4013 17 8 1935 U.S.A. Arizona Gila Tonto-Sierra Ancha Experimental National Forest; Parker Creek Branch Station; Parker Creek. Oak woodland; on slope 20 deg southeast, gravelly soil. 5070 ft. T5N R13E S1 33.7984 -110.9702 NAD 83 3 mi. N N Nat. Geog. TOPO! Spores N N 285 RM 681448 RMRS RMRS 92 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.. RM-117212 Herbert W. Graham s.n. 28 7 1927 U.S.A. Arizona Gila 12 miles south of Globe: Pinal Peak. 7500 ft. T2S R15E S5 33.29039 -110.8322 NAD 83 1 mi. N Y Nat. Geog. TOPO! Spores N N 286 RM 731229 Missouri Plateau USFS 409591 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-121455 James C. Whitham 6400 no date U.S.A. Montana Madison Gallatin National Forest: Potosi Creek Hot Springs. 20% north slope; rocky swale / meadow; with sedges and umbel lily. 6400 ft. Rare. Spores N N 287 RM 731230 Missouri Plateau USFS 409592 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-121400 James C. Whitham 1832 W. F. Swim 5 8 1935 U.S.A. Montana Gallatin Gallatin National Forest: Wilson Creek. level slope; loam soil; cleared lands with thimbleberry. 7400 ft. Vegetative N N 288 RM 731231 Missouri Plateau RM 369816 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-121456 J. A. Moore 2934 22 7 1947 U.S.A. Montana Flathead Glacier National Park: Heavens Peak Trail. Near burn. Vegetative N N 289 RM 731232 Missouri Plateau RM 157522 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-121359 L. M. Umbach 732 22 8 1903 U.S.A. Montana Flathead Belton. Woods. Spores N N 290 RM 762701 Evert 2007 RM 914190 RM0069386 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-127046 Erwin F. Evert 42091 27 7 2007 U.S.A. Idaho Idaho Clearwater Mountains: Nez Perce National Forest: along an unnamed tributary ca 1/4 mi S of the South Fork Clearwater River, ca 12 mi W of Elk City. Moist soil in creek bottom under Abies grandis with Veratrum viride, Xerophyllum tenax, Linnaea borealis, Vaccinium membranaceum, Equisetum arvense, Cornus canadensis, Boykinia major, Clintonia uniflora, and Trautvetteria caroliniensis. 3680 ft. 45.8048° N, 115.647° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T29N R7E S31 45.8048 -115.647 NAD 83 1 mi. Nat. Geog. TOPO! Spores N RM0069386 N 291 RM 783842 Kirkpatrick, Michael 2010 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-127409 Michael K. Kirkpatrick 2140 1 7 2010 U.S.A. Colorado Pitkin [location and coordinates withheld] Meadows and roadcuts. 8550 ft. Vegetative N 292 RM 826554 Kirkpatrick, Michael 2011 USFS 898955 USFS0060548 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-144463 B. E. Nelson 82706 17 7 2011 U.S.A. Colorado Pitkin White River National Forest: McClure Pass on Colo Hwy 133, ca 6 air mi NW of Marble; ca 19 air mi S of Carbondale. Aspen forest. 8760 8880 ft. 39.1278° N, 107.2837° W; NAD 83, , GPS reading T11S R89W S1 South1/2 39.1278 -107.2837 NAD 83 GPS reading Spores N USFS0060548 293 RM 845408 Brummer 2012 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.. RM-151017 Lori E. Brummer 8565 7 6 2012 U.S.A. Colorado Delta West Elk Mountains: Gunnison National Forest: Mount Lamborn: south slope along Bell Creek, Forest Trail 894, ca 6 air mi SE of Paonia. Understory in aspen. 7400 8700 ft. 38.7881° N, 107.543° W to 38.7963° N, 107.5622° W; NAD 83, , GPS reading T14S R91W S34 NE1/4; also S33 38.7881 -107.543 NAD 83 GPS reading Spores N 294 RM 846291 Brummer 2012 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.. RM-151146 Lori E. Brummer 9290 3 7 2012 U.S.A. Colorado Ouray San Juan Mountains: Uncompahgre National Forest: Cimarron Ridge; Nate Creek or Forest Trail 221 from Nate Creek S to Owl Creek Pass Road, ca 9 air mi ENE of Ridgway. Meadow in aspen/spruce/fir mix. 9000 9321 ft. 38.1845° N, 107.5964° W to 38.176° N, 107.5899° W; NAD 83, , GPS reading T45N R97W S1 SW1/4; also NE1/4 S2 38.1845 -107.5964 NAD 83 GPS reading Spores N 295 RM 847386 Brummer 2012 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.. RM-151282 Lori E. Brummer 10243 22 7 2012 U.S.A. Colorado Ouray San Juan Mountains: Uncompahgre National Forest: Cimarron Ridge; Lou Creek Pass, ridge just S of Lou Creek Pass then W on Lou Creek Pass Trail to ridge above Kennedy Mine, ca 11 air mi NNE of Ridgway. Moist meadow in aspen/spruce/fir mix. 9656 11031 ft. 38.2277° N, 107.5793° W to 38.2215° N, 107.5926° W; NAD 83, , GPS reading T46N R7W S24 38.2277 -107.5793 NAD 83 GPS reading Spores N 296 RM 853867 Irwin 2012 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-154124 Joshua J. Irwin 8354 28 5 2012 U.S.A. Idaho Lemhi Northern Salmon River Mountains: bench overlooking Little Sheepeater Creek, 2.3 air mi WSW of Shoup. >150 individuals estimated in hydric soil within a ponderosa pine woodland, 18 degree slope, S aspect, peraluminous granite geology. 4534 ft. T24N R18E S34 45.36912 -114.32425 NAD 83 30 m. Vegetative N N 297 RM 858990 Irwin 2011 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-153706 Joshua J. Irwin 4774 7 6 2011 U.S.A Idaho Lemhi Salmon National Forest: Northern Salmon River Mountains: Wheat Creek valley bottom, 19.3 air mi W of Shoup. In mesic soil within a ponderosa pine vegetation, 27 degree slope, WNW aspect, gneiss geology. 3987 ft. T24N R14E S36 45.3829 -114.67368 NAD 83 30 m. 25-75 plants estimated. Vegetative N N 298 RM 865486 Irwin 2011 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-155165 Ronald L. Hartman 91568 Emma E. Stewart 13 6 2011 U.S.A. Idaho Lemhi Northern Salmon River Mountains: Salmon Wild and Scenic River/Frank Church - River of No Return Wilderness: along Horse Creek from the river ca 0.5 mi N to Pinto Creek. 2900 3060 ft. 45° 24.221' N, 114° 44.206' W; NAD 83, , GPS reading T24N R14E S21 SE1/4; also S27 NW1/4 45.403683 -114.736767 NAD 83 GPS reading Vegetative N 299 RM 871543 Vanderhorst 1991 USFS USFS0061584 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-102454 James P. Vanderhorst 2704 19 6 1991 U.S.A. Colorado Garfield Flat Tops/White River Plateau: Mitchell Creek, ca 3 air mi NW of downtown Glenwood Springs. Lush, overgrown creek bottom, with narrowleaf cottonwood, Douglas fir, blue spruce, aspen, dogwood, and water birch. 6000 7600 ft. 39.5859° N, 107.3622° W T5S R89W S27 39.5859 -107.3622 N USFS0061584 N 300 RM 877947 Brummer 2011 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.. RM-143645 Lori E. Brummer 4739 6 7 2011 U.S.A. Colorado Montrose Uncompahgre Plateau: Dry Creek Trail (Forest Trail 114), along trail and adjoining area, ca 18.5 air mi SW of Montrose. Spruce/fir with scattered aspen. 8840 9520 ft. 38.2999° N, 108.1124° W to 38.3342° N, 108.1211° W; NAD 83, , GPS reading T47N R11W S18; also E1/2 S19, SW1/4 S20, W1/2 S29, and NE1/4 S30 38.2999 -108.1124 NAD 83 GPS reading Vegetative N 301 RM 885268 Thomas 2013 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.. RM-157243 Georgia G. Thomas 1319 25 7 2013 U.S.A. Idaho Idaho Nez Perce National Forest: Middle Fork Clearwater Wild and Scenic River: Selway River Drainage: Race Creek Trail Head: ca 3/4 mi on Forest Trail 4 along Selway River, ca 20 mi on Forest Road 223, ca 34 air mi ESE of Kooskia. Mixed conifer forest, Thuja plicata, grand fir, Douglas fir, ponderosa pine. 1766 ft. 46° 02.633' N, 115° 16.655' W 46.0439 -115.2776 NAD 83 1 mi. Nat. Geog. TOPO! sp N 302 RM 888311 Thomas 2013 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.. RM-157418 Georgia G. Thomas 4596 26 7 2014 U.S.A. Idaho Idaho Nez Perce National Forest: Forest Road 319 to Big Fog Saddle, ca 13 mi until the end of road, ca 23 air mi NNE of Elk City. Wet meadow. 5922 ft. 46° 06.856' N, 115° 12.267' W; GPS reading 46.1143 -115.2045 NAD 83 sp N 303 RM 888438 Thomas 2013 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.. RM-157425 Georgia G. Thomas 4728 29 7 2014 U.S.A. Idaho Idaho Nez Perce National Forest: Selway River Drainage: Meadow Creek, Selway River Campground, ca 1/4 mi on Forest Road 443 from Selway River, ca 33 air mi ESE of Stites. Western red cedar grove. 1928 ft. 46° 02.332' N, 115° 17.689' W; GPS reading 46.0389 -115.2948 NAD 83 sp N 304 RM 888513 Thomas 2013 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.. RM-157428 Georgia G. Thomas 4804 2 8 2014 U.S.A. Idaho Idaho Nez Perce National Forest: Selway-Bitterrroot Wilderness: Issac Lake, ridge above lake, ca 16 mi on Forest Trail 618, ca 30 air mi W of Hamilton, MT. Lodgepole pine forest. 6780 ft. 46° 16.260' N , 114° 47.983' W 46.271 -114.7997 NAD 83 1 mi. Nat. Geog. TOPO! Vegetative N 305 RM 888995 Thomas 2013 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.. RM-157449 Georgia G. Thomas 5300 23 8 2014 U.S.A. Idaho Idaho Nez Perce National Forest: Clearwater River Drainage: Forest Road 445 near Polar Creek, ca 18 air mi ENE of Kooskia. Roadside in a mixed coniferous forest. 3669 ft. 46° 12.904' N, 115° 40.598' W; GPS reading 46.2151 -115.6766 NAD 83 Vegetative N 306 RM 889090 Thomas 2013 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.. RM-157453 Georgia G. Thomas 5406 24 8 2014 U.S.A. Idaho Idaho Nez Perce National Forest: Middle Fork Clearwater Wild and Scenic River: Selway River Drainage: ca 20 mi on Forest Road 223, ca 1/4 mi on Gedney Creek Trail, Forest Trail 708, ca 17 air mi NNE of Elk City. Mixed coniferous forest. 1722 ft. 46° 03.475' N, 115° 18.872' W; GPS reading 46.0579 -115.3145 NAD 83 sp N 307 RM 889149 Thomas 2013 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.. RM-157456 Georgia G. Thomas 5465 24 8 2014 U.S.A. Idaho Idaho Nez Perce National Forest: Middle Fork Clearwater Wild and Scenic River: Selway River Drainage: Rackliff Trail Head, ca 0.5 mi on Forest Trail 702, ca 9 mi on Forest Road 223 from Lochsa River, ca 18 air mi NNW of Elk City. Mixed coniferous forest. 2091 ft. 46° 05.299' N, 115° 29.483' W; GPS reading 46.0883 -115.4914 NAD 83 sp N 308 RM 889260 Thomas 2013 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by Georgia G. Thomas. RM-156396 Ronald L. Hartman 92318 Jack Hartman 7 6 2012 U.S.A. Idaho Idaho Nez Perce National Forest: forest boundary just E of Blackerby Picnic Area on Ida Hwy 14 to Elk City, ca 4.5 air mi SE of Grangeville. Steep slope to ridgetop. 2000 3400 ft. 45.8887° N, 116.0358° W to 45.8953° N, 116.0255° W; NAD 83, uncertainty 0.5 ft., Nat. Geog. TOPO! T30N R3E S36 45.8887 -116.0358 NAD 83 1 ft. Nat. Geog. TOPO! Vegetative 309 RM 889269 Thomas 2013 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by Georgia G. Thomas. RM-156397 Ronald L. Hartman 92327 Jack Hartman 10 6 2012 U.S.A. Idaho Idaho Nez Perce National Forest: Gospel Hump Wilderness: along the Wind River ca 0.5-0.9 air mi from Wind River Pack Bridge on Salmon River, ca 18.5 air mi E of Riggins. Mesic forest with openings along trail. 2000 2500 ft. 45° 27.978' N, 115° 56.325' W to 45° 27.715' N, 115° 56.648' W; unknown, , GPS reading T25N R4E S34; also S35 45.4663 -115.93875 unknown GPS reading Vegetative 310 RM 889357 Thomas 2013 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by Georgia G. Thomas. RM-156401 Ronald L. Hartman 92415 Jack Hartman 12 6 2012 U.S.A. Idaho Idaho Nez Perce National Forest: on Forest Road 244, ca 6 air mi SSW of Clearwater (town). 2950 ft. 45° 56.28' N, 115° 55.961' W; unknown, , GPS reading T30N R5E S15 SE1/4 45.938 -115.932683 unknown GPS reading N 311 RM 889620 Thomas 2013 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by Georgia G. Thomas. RM-156416 Ronald L. Hartman 93207 Georgia G. Thomas 13 6 2013 U.S.A. Idaho Idaho Bitterroot National Forest: Paradise Campground and vicinity along White Cap Creek, ca 63 air mi ESE of Kooskia Campground, creek side, and conifer covered slopes and cliffs. 3050 3100 ft. 45° 51.7691' N, 114° 44' 13" W; unknown, , GPS reading T29N R14E S9 SW1/4 45.862818 -114.736944 unknown GPS reading N 312 RM 889746 Thomas 2013 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. 1. Pteridium aquilinum (L.) Kuhn var. pubescens Underw.
Annotated by Georgia G. Thomas. RM-156422 Ronald L. Hartman 93333 Georgia G. Thomas 16 6 2013 U.S.A. Idaho Idaho Nez Perce National Forest: ca 1 3/4 air mi due S of Middle Fork Clearwater River, ca 13 air mi E of Kooskia. Roadside. 3500 ft. 46° 7.048' N, 115° 42.47' W; unknown, , GPS reading T32N R6E S16 46.117467 -115.707833 unknown GPS reading N 313 RM 893545 RMHERB1 RM 288726 RM0127609 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-448885 Robert D. Dorn 1462 5 9 1971 U.S.A. Wyoming Carbon Sierra Madre: between Lost Creek and Haggarty Creek. Talus associated with Populus tremuloides along road. 8500 ft. 41.1359° N, 107.1097° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO! 41.1359 -107.1097 NAD 83 1 mi. Y Y Nat. Geog. TOPO! SC Common. Spores N RM0127609 N 314 RM 894072 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157481 Crista L. O'Conner 594 B. E. Nelson 8 6 2016 U.S.A. Idaho Clearwater Clearwater Mountains: North Fork Clearwater River, Black Canyon Forest Trail 445 toward Elizabeth Mountain, ca 34 air mi NE of Pierce. Southeasterly-facing slopes characterized by an overstory rich in Thuja plicata and Abies grandis, with infrequent occurrences of Tsuga mertensiana. 2972 3200 ft. 46.7591° N, 115.2292° W; WGS 84, , GPS reading T39N R10E S5; also T40N R10E S32 46.7591 -115.2292 WGS 84 GPS reading Vegetative N 315 RM 894158 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157482 Crista L. O'Conner 680 B. E. Nelson 8 6 2016 U.S.A. Idaho Clearwater Clearwater Mountains: along North Fork Clearwater River and Forest Road 250 in Black Canyon, ca 1.5 air mi E of Flat Mountain and 32 air mi NE of Pierce. Riparian and island NE of road. 2900 ft. 46.7446° N, 115.239° W; WGS 84, , GPS reading T39N R10E S6 SE1/4 46.7446 -115.239 WGS 84 GPS reading Vegetative N 316 RM 894206 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157484 Crista L. O'Conner 728 B. E. Nelson 10 6 2016 U.S.A. Idaho Clearwater Clearwater Mountains: shoulder slope along Forest Road 5220, between Cabin Point and Fuzzy Creek, ca 16 air mi NE of Pierce. Roadside and adjacent bank, surrounded by mixed seral coniferous forest; predominantly inhabited by Pseudotsuga menziesii and Abies grandis. 4200 ft. 46.5984° N, 115.4906° W; WGS 84, , GPS reading T38N R8E S31 NE1/4 46.5984 -115.4906 WGS 84 GPS reading Vegetative N 317 RM 894324 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157490 Crista L. O'Conner 846 B. E. Nelson 12 6 2016 U.S.A. Idaho Clearwater Clearwater Mountains: June Creek S of Forest Road 246, ca 1 air mi NW of Eagle Point and ca 27.5 mi NNE of Pierce. Of northerly aspect, creek abundant with Thuja plicata of substantial size and occasional old growth Abies grandis with dbh of ca 5'; understory varied from largely depauperate with light gaps rich in Vaccinium membranaceum, to moisture-laden stands of Adiantum aleuticum and Oplopanax horridum. 3140 3360 ft. 46.8177° N, 115.5488° W; WGS 84, , GPS reading T40N R7E S14 46.8177 -115.5488 WGS 84 GPS reading Vegetative N 318 RM 894340 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157491 Crista L. O'Conner 862 B. E. Nelson 12 6 2016 U.S.A. Idaho Clearwater Clearwater Mountains: Sheep Mountain Range: along Forest Road 5325, ca 2 air mi W of Sheep Mountain and 21.5 air mi NNE of Pierce. Roadside collection; northerly aspect characterized by Tsuga mertensiana/Clintonia uniflora habitat type, with abundant towering Picea engelmannii and infrequent Abies lasiocapa. 4845 ft. 46.7801° N, 115.6259° W; WGS 84, , GPS reading T40N R7E S30 South1/2 46.7801 -115.6259 WGS 84 GPS reading Vegetative N 319 RM 894436 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157494 Crista L. O'Conner 958 Joshua Miller 15 6 2016 U.S.A. Idaho Clearwater Upper Basin: Giant Red Cedar National Recreation Trail 748: headwaters of Elk Creek, ca 12.5 air mi ENE of Bovill and ca 3 air mi N of Elk Butte. Exceptional old-growth climax community of Thuja plicata, characterized by Thuja plicata/Athyrium filix-femina habitat type of northerly aspect. 3860 ft. 46.8871° N, 116.1212° W; WGS 84, , GPS reading T41N R3E S20 NW1/4 46.8871 -116.1212 WGS 84 GPS reading Vegetative N 320 RM 894647 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157501 Crista L. O'Conner 1169 18 6 2016 U.S.A. Idaho Clearwater Clearwater Mountains: Aquarius Research Natural Area: Isabella Landing Trail 297 and vicinity adjacent to confluence of Isabella Creek and North Fork Clearwater River. Mature and productive western red cedar forest upon riparian terrace, characterized by Thuja plicata/Athyrium filix-femina habitat type. 1720 ft. 46.8495° N, 115.6315° W; WGS 84, , GPS reading T41N R7E S31 46.8495 -115.6315 WGS 84 GPS reading Vegetative N 321 RM 894924 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157510 Crista L. O'Conner 1446 23 6 2016 U.S.A. Idaho Clearwater Clearwater Mountains: Trail 154, along ridge and slopes between Teakwah Creek to the W and Jackknife Creek to the E, ca 21 air mi NE of Pierce. Collection extent ca 6 mi on and in vicinity of trail. Habitats varied: ranging from steep, southerly-facing slopes dominated by bluebunch wheatgrass; saddles and shoulder-slopes of seral Pseudotsuga menziesii/Abies grandis communities; dense shrub thickets of Ceanothus velutinus; to prominent rock outcrops where cryptogamic crust is well-developed. History of fire disturbance evident throughout. 2320 4920 ft. 46.6312° N, 115.4654° W to 46.6597° N, 115.4576° W to 46.6673° N, 115.4554° W; WGS 84, , GPS reading T38N R8E S16; also S4, S9 and T39N R8E S33 46.6312 -115.4654 WGS 84 GPS reading Vegetative N 322 RM 894988 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157513 Crista L. O'Conner 1510 25 6 2016 U.S.A. Idaho Latah Hoodoo Mountains: southern slope of range in Mountain Gulch drainage, from shoulder-slope to mid-slope along draw, ca 3 air mi E of Bald Mountain and 20 air mi NE of Potlatch. Mixed coniferous forest dominated by sizeable seral (i.e., Larix occidentalis) and late-seral (i.e., Abies grandis) communities on shoulder slope, and Thuja plicata in moist draw. 4000 4650 ft. 47.0398° N, 116.5188° W to 47.034° N, 116.5227° W; WGS 84, , GPS reading T43N R2W S36 E1/2; also W1/2 S31 and SW1/4 S30 47.0398 -116.5188 WGS 84 GPS reading Vegetative N 323 RM 895206 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157521 Crista L. O'Conner 1728 30 6 2016 U.S.A. Idaho Idaho Clearwater Mountains: Lochsa River: southeasterly-facing toe slope N of river, along Forest Trail 2, ca 10.5 air mi NE of Lowell. Mixed coniferous forest consisting largely of early to mid-seral species, transitioning to areas of shrub dominance on steeper slopes of southerly aspect with occasional rock outcrops. 1760 2100 ft. 46.231° N, 115.4162° W to 46.2309° N, 115.4199° W; WGS 84, , GPS reading T33N R8E S2 NE1/4 46.231 -115.4162 WGS 84 GPS reading Spores N 324 RM 895433 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157525 Crista L. O'Conner 1955 Joshua Miller 4 7 2016 U.S.A. Idaho Clearwater Clearwater Mountains: Isabella Creek drainage: Trail 95 along Isabella Creek and Trail 96 along Elmer Creek, ca 25 air mi NNE of Cardiff Spur and ca 2-4 air mi NW of Black Mountain. Most areas within collection extent were dramatically reshaped by recent fire in the last ten years; fire-scarred towering Thuja plicata snags a testament to the former climax community. Disturbed areas with prolific stands of Chamerion angustifolium and, when moisture allows, Illiamna rivularis abounds. 2960 3650 ft. 46.892° N, 115.5914° W to 46.9072° N, 115.5738° W to 46.9163° N, 115.5796° W; WGS 84, , GPS reading T41N R7E S16; also S9 46.892 -115.5914 WGS 84 GPS reading Vegetative N 325 RM 895640 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157536 Crista L. O'Conner 2162 11 7 2016 U.S.A. Idaho Clearwater Clearwater Mountains: confluence of North Fork Clearwater River and Kelly Creek, nearby Kelly Forks Work Center, ca 30 air mi NE of Pierce. Mixed coniferous forest on alluvial plain. 2760 2800 ft. 46.7222° N, 115.268° W to 46.7163° N, 115.2597° W; WGS 84, , GPS reading T39N R9E S13 South1/2 46.7222 -115.268 WGS 84 GPS reading Vegetative N 326 RM 895792 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157542 Crista L. O'Conner 2314 13 7 2016 U.S.A. Idaho Clearwater Bitterroot Mountains: North Fork Clearwater River: North Fork Headwater Trail 373, spanning ca 6-9 air mi W of Montana. Collection extent includes from Trail Head to confluence of Meadow Creek, ca 3.5-4 mi. Predominately southwesterly-facing slopes and draws with heterogeneous communities of Abies lasiocarpa, Picea engelmannii, Pinus contorta, Pseudotsuga menziesii and, to a lesser degree, Thuja plicata. 3700 4200 ft. 46.8746° N, 115.0743° W to 46.8882° N, 115.0982° W to 46.907° N, 115.1161° W; WGS 84, , GPS reading T41N R11E S28 NE1/4; also SW1/4 S21, NE1/4 S20, SW1/4 S17, NE1/4 S18, and E1/2 S7 46.8746 -115.0743 WGS 84 GPS reading Vegetative N 327 RM 895941 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157548 Crista L. O'Conner 2463 Emily Poor 16 7 2016 U.S.A. Idaho Latah M. 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. Early-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. 3100 3200 ft. 47.0453° N, 116.8922° W; WGS 84, , GPS reading T43N R4W S30 NW1/4 47.0453 -116.8922 WGS 84 GPS reading Vegetative N 328 RM 896418 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157571 Crista L. O'Conner 2940 26 7 2016 U.S.A. Idaho Clearwater Clearwater Mountains: Scurvy Mountain: summit, ca 7.5 air mi NNE of Lookout Peak. Mixed seral community comprised predominantly of Abies grandis, Picea engelmannii and Abies lasiocarpa; light gaps occasional, where large communities of Pteridium aquilinum occupy, resembling elements of the grand fir mosaic. 4600 6691 ft. 46.6894° N, 115.1338° W to 46.6833° N, 115.1273° W to 46.681° N, 115.0796° W; WGS 84, , GPS reading T39N R 11E S30 SW1/4; also N1/2 S31 and N1/2 S32 46.6894 -115.1338 WGS 84 GPS reading Vegetative N 329 RM 896532 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157583 B. E. Nelson 85003 Crista L O'Conner 3 6 2016 U.S.A. Idaho Latah Palouse Range: along Gold Creek between Forest Road 770 and Forest Road 4766, ca 6 air mi NE of Potlatch. Stream bottom in disturbed Tsuga/Thuja forest. 2800 2860 ft. 46.9835° N, 116.8214° W; WGS 84, , GPS reading T42N R4W S15 NE1/4 46.9835 -116.8214 WGS 84 GPS reading Vegetative N 330 RM 896629 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157588 B. E. Nelson 85100 Crista L O'Conner 3 6 2016 U.S.A. Idaho Latah Palouse Range: along Slate Creek at Forest Road 1433, ca 1 air mi WSW of Baby Grand Mountain, ca 18.5 air mi ENE of Potlatch. Stream bottom and adjacent slopes in a mixed conifer forest. 3200 3400 ft. 46.9998° N, 116.5339° W; WGS 84, , GPS reading T42N R2W S12 46.9998 -116.5339 WGS 84 GPS reading Vegetative N 331 RM 896637 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157589 B. E. Nelson 85108 Crista L O'Conner 5 6 2016 U.S.A. Idaho Clearwater Palouse Range: along Bull Run Creek, just S of Bull Run Creek Falls, ca 18 air mi ESE of Deary Stream bottom and adjacent western red cedar forest. 2500 ft. 46.7345° N, 116.1969° W; WGS 84, , GPS reading T39N R2E S10 SE1/4 46.7345 -116.1969 WGS 84 GPS reading Vegetative N 332 RM 896657 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157591 B. E. Nelson 85128 Crista L O'Conner 5 6 2016 U.S.A. Idaho Clearwater Palouse Range: just S of Oviatt Creek on Forest Road 1447, ca 13 air mi E of Deary. Edge of brushy mixed conifer forest-Sphagnum bog. 3200 ft. 46.7833° N, 116.2906° W; WGS 84, , GPS reading T40N R1E S26 NE1/4 46.7833 -116.2906 WGS 84 GPS reading Vegetative N 333 RM 896688 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157594 B. E. Nelson 85159 Crista L O'Conner 7 6 2016 U.S.A. Idaho Clearwater Clearwater Mountains: Aquarius Campground along the North Fork Clearwater River, ca 25 air mi NNE of Pierce. Riparian Thuja forest. 1700 ft. 46.8403° N, 115.6155° W; WGS 84, , GPS reading T40N R7E S5 NW1/4 46.8403 -115.6155 WGS 84 GPS reading Vegetative N 334 RM 896713 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157595 B. E. Nelson 85184 Crista L O'Conner 7 6 2016 U.S.A. Idaho Clearwater Clearwater Mountains: slope and bench above Isabella Creek and Forest Road 700, just S of Dog Creek, ca 27 air mi NNE of Pierce. Thuja forest with occasional Tsuga mertensiana. 2000 ft. 46.8656° N, 115.6186° W; WGS 84, , GPS reading T41N R7E S30 SE1/4 46.8656 -115.6186 WGS 84 GPS reading Vegetative N 335 RM 896768 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157598 B. E. Nelson 85239 Crista L O'Conner 8 6 2016 U.S.A. Idaho Clearwater Clearwater Mountains: along North Fork Clearwater River and Forest Road 250 in Black Canyon, at Elizabeth Mountain Trailhead, ca 33 air mi NE of Pierce. Riparian Thuja forest. 2800 ft. 46.7589° N, 115.2294° W; NAD 83, , GPS reading T39N R10E S5 NW1/4 46.7589 -115.2294 NAD 83 GPS reading Vegetative N 336 RM 896856 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157602 B. E. Nelson 85327 Crista L O'Conner 10 6 2016 U.S.A. Idaho Clearwater Clearwater Mountains: along Forest Road 5220 on slope between Fuzzy Creek and Cabin Point, ca 16 air mi NE of Pierce. Roadside and adjacent mixed conifer forest dominated by Douglas fir and grand fir. 4200 ft. 46.5984° N, 115.4906° W; WGS 84, , GPS reading T38N R8E S31 NE1/4 46.5984 -115.4906 WGS 84 GPS reading Vegetative N 337 RM 896934 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157611 B. E. Nelson 85405 Crista L O'Conner 12 6 2016 U.S.A. Idaho Clearwater Clearwater Mountains: along Forest Road 246 at June Creek crossing, ca 1 air mi NW of Eagle Point, ca 27.5 air mi NNE of Pierce. Steep, open roadbank. 3150 ft. 46.8177° N, 115.5488° W; WGS 84, , GPS reading T40N R7E S11 SW1/4 46.8177 -115.5488 WGS 84 GPS reading Vegetative N 338 RM 896974 OConner 2016 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-157614 B. E. Nelson 85468 Crista L O'Conner 12 6 2016 U.S.A. Idaho Clearwater Clearwater Mountains: Sheep Mountain Saddle, ca 20.5 air mi NNE of Pierce. Mixed conifer forest with alder and maple. 4250 ft. 46.7613° N, 115.6194° W; WGS 84, , GPS reading T40N R7E S31 SE1/4 46.7613 -115.6194 WGS 84 GPS reading Vegetative N 339 RM 897484 OConner 2017 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-448224 Crista L. O'Conner 3170 Catherine Curtis 28 5 2017 U.S.A. Idaho Idaho Clearwater Mountains: Split Creek Ridge along Trail 133, ca 13 air mi NE of Lowell. Exposed southerly slope with occasional pockets of shrubs and Pseudotsuga menziesii in moisture-retaining draws/seeps. Bromus tectorum abundant; Pseudoroegneria spicata and Koeleria macrantha common. 2280 2877 ft. 46.2338° N, 115.3976° W; WGS 84, , GPS reading T33N R8E S1 46.2338 -115.3976 WGS 84 GPS reading Vegetative N 340 RM 899080 OConner 2017 RM Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-448356 Crista L. O'Conner 4796 28 7 2017 U.S.A. Idaho Idaho Clearwater Mountains: Mocus Point Trail 469, ca 15 air mi NE of Lochsa Historical Ranger Station. South-facing slope with dense Ceanothus velutinus and occasional Pseudotsuga menziesii. 4996 ft. 46.4341° N, 115.0276° W; WGS 84, , GPS reading T36N R11E S25 46.4341 -115.0276 WGS 84 GPS reading Vegetative N 341 RM 99356 Chumley 1996 Dennstaedtiaceae Pteridium aquilinum (L.) Kuhn var. pubescens Underw. RM-13986 Timothy W. Chumley 4814 19 7 1996 U.S.A. Colorado Douglas East-central Colorado: Mosquito Range to Plains: Rampart Range: Stevens Gulch: at head of gulch and ridges to E off Forest Road 512, ca 1 air mi N of U.S.FS Indian Creek Work Center, ca 4.3 air mi ESE of town of South Platte. In moist, lightly shaded aspen and Douglas fir forest. 7360 8060 ft. 39.3959° N, 105.1012° W zone 13, 491727E, 4360285N T7S R69W S34 SE1/4 39.3959 -105.1012 Vegetative N N