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RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 40367 B. E. Nelson Amy J. Roderick 1997 6 18 169 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: west end of Fort Steele Breaks, W of the North Platte River, ca 6.5 air mi N of Sinclair; ca 10.5 air mi NE of Rawlins. -107.0705 41.8785 1981 2012 Rough breaks of sandstone and mudstone with intervening draws of sand to clay dominated by sagebrush with hopsage, shadscale, Gardners saltbush, and spiny horsebrush. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 40520 B. E. Nelson 1997 6 21 172 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: W of Seminoe Reservoir in Seminoe State Park, ca 26 air mi NNE of Sinclair; ca 29 air mi NE of Rawlins. -106.8902 42.1229 2000 Slopes with scattered grasses and some sagebrush. Phenology: flowering. RM RM 719734 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 582 Kevin J. Taylor 1997 5 26 146 U.S.A. Colorado Delta Northern Gunnison Basin: ca 4 air mi NNE of Crawford. -107.5639 38.7636 1981 2286 Pinyon and juniper. Phenology: flowering. RM RM 719733 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 56234 Ronald L. Hartman Kevin J. Taylor 1997 5 16 136 U.S.A. Colorado Delta Northern Gunnison Basin: Elephant Hill, west portion, ca 2.5 air mi ESE of Paonia. -107.5453 38.8516 1774 2048 Squaw-apple, serviceberry, mountain mahogany, and juniper zone below and sparsely vegetated shale slopes above with some pinyon-juniper. Phenology: flowering. RM RM 719732 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 56317 Ronald L. Hartman Kevin J. Taylor 1997 5 17 137 U.S.A. Colorado Delta Northern Gunnison Basin: Jumbo Mountain, ca 4 air mi ENE of Paonia. -107.5266 38.881 1829 2225 Squaw-apple and serviceberry zone and pinyon-juniper slopes above with sandstone and shales. Phenology: flowering. RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 741 Margarette J. Lyon 1993 5 9 129 U.S.A. Colorado Montrose San Miguel and lower Dolores River Drainages: Uncompahgre Plateau: Atkinson Creek, 1.5 mi above confluence with San Miguel River, 2 air mi NE of Uravan. -108.7313 38.4017 1646 Open grassy mesa on sandy, sometimes seleniferous soils, with Astragalus and Allium. Phenology: flowering. RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 2684 Margarette J. Lyon 1994 5 6 126 U.S.A. Utah Grand San Miguel and Lower Dolores River Drainages: Dolores River Drainage: Dewey: confluence of Dolores and Colorado Rivers. -109.2871 38.8193 1250 Slopes along river; red sandy soils with Atriplex and cheat grass. Phenology: flowering. RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 2976 Margarette J. Lyon 1994 5 11 131 U.S.A. Colorado Mesa San Miguel and Lower Dolores River Drainages: benches above Dolores River. -109.0249 38.7331 1402 Benches above river with Sarcobatus, Atriplex, and Coleogyne. Phenology: flowering. RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 3386 Margarette J. Lyon 1994 5 20 140 U.S.A. Colorado Montrose San Miguel and Lower Dolores River Drainages: Sawtooth Ridge, ca 3.5 air mi W of Naturita. -108.639 38.2263 1829 Ridgetop with pinyon, juniper, Artemisia nova, Hymenoxys, and Stenotus. Phenology: flowering. RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 3806 Margarette J. Lyon 1994 6 3 154 U.S.A. Colorado Mesa San Miguel and Lower Dolores River Drainages: Casto Draw: ca 1 mi from Colo Hwy 141. -108.9125 38.7185 1603 Clay and granite gravel slopes with Juniperus and Coleogyne. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 2301 Amy J. Roderick 1997 7 14 195 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: Kindt Reservioir E of Wyo Hwy 71, ca 14.7 air mi SE of Rawlins; ca 13 air mi S of Sinclair. -107.0802 41.5916 2079 Sandy knoll sparsely vegetated with sagebrush. Phenology: fruiting. RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 7642 Margarette J. Lyon 1994 8 20 232 U.S.A. Colorado Mesa San Miguel and Lower Dolores River Drainages: Unaweep Canyon along West Creek. -108.7627 38.7477 2134 Riparian area with Acer negundo, Populus, Salix exigua, Eleocharis, and Equisetum. Phenology: fruiting. RM RM 706778 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 5147 Lynn Marie Moore 1995 6 6 157 U.S.A. Colorado San Miguel Upper Dolores River Drainage and Adjacent Areas: ca 15 air mi N of Dove Creek in Disappointment Valley, County Road K20. -108.7642 37.9734 1786 Artemisia, Stanleya, and Astragalus with selenium odor, in gypsum soil, west-facing. Phenology: flowering. RM RM 215428 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 4861 C. L. Porter 1949 5 29 149 U.S.A. Wyoming Carbon 16 mi N of Rawlins near south edge of Separation Flats. -107.3594 41.9873 2 2073 Sandy soil; Chugwater formation. Ca 13 mi N of Rawlins. Phenology: flowering. RM RM 215399 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 4941 C. L. Porter 1949 7 5 186 U.S.A. Wyoming Carbon 13 mi N of Rawlins. -107.347 41.959 2 2073 Chugwater formation. Phenology: flowering. RM RM 222645 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 5777 C. L. Porter R. C. Rollins 1951 7 26 207 U.S.A. Wyoming Carbon 13 mi N of Rawlins, near the south edge of Separation Flats. -107.347 41.959 3 1951 On the Satanka Formation. Phenology: fruiting. RM RM 335082 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 392 Ann Aldrich 1979 7 10 191 U.S.A. Wyoming Sweetwater E of Little Mountain; ca 35 air mi S of Rock Springs. -109.1678 41.093 1 2085 Sandy soil in a juniper woodland, growing alone on an outwash. Phenology: fruiting. RM RM 10543 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 3132 Aven Nelson 1897 6 5 156 U.S.A. Wyoming Carbon Fort Steele. -106.9541 41.7766 3 1981 2012 Phenology: flowering. RM RM 162564 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 3132 Aven Nelson 1897 6 5 156 U.S.A. Wyoming Carbon Fort Steele. -106.9541 41.7766 3 1981 2012 Phenology: flowering. RM RM 29115 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 7238 Aven Nelson 1900 6 16 167 U.S.A. Wyoming Carbon Fort Steele.* -106.9541 41.7766 3 1981 2012 On the clay benches. Phenology: flowering. RM WYAC Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson s.n. C. F. Wilkie 1963 6 20 171 U.S.A. Wyoming Carbon 17 mi S of Creston Junction at Statton Headquarters. -107.7685 41.4902 1 2103 Phenology: flowering. RM RM 182623 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 1675 Reed C. Rollins 1937 6 11 162 U.S.A. Wyoming Uinta Near Blacks Fork River, 16 mi SE of Lyman. -110.4964 41.1636 3 2317 2347 Protected hillside in sandy soil. Phenology: flowering. RM RM 288640 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 1324 Robert D. Dorn 1971 7 3 184 U.S.A. Wyoming Sweetwater Ca 5 mi N of McKinnon. -109.9109 41.0872 1 2134 Juniper associated with Artemisia; rare. Phenology: flowering. RM RM 353679 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 5028 Robert W. Lichvar 1982 6 15 166 U.S.A. Wyoming Lincoln Fossil Butte National Monument. -110.4772 41.279 1 2225 Clay slope with Penstemon and Astragalus. Phenology: buds. RM RM 745211 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 26039 Sherel Goodrich 1999 6 23 174 U.S.A. Wyoming Sweetwater Flaming Gorge Nat'l Recreation Area; Green River Basin. 1853 Eroding slopes of Green River Formation at contact with a gravel pediment; desert shrub community. Phenology: fruiting. RM RM 601856 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 14893 Walter Fertig 1994 6 21 172 U.S.A. Wyoming Sweetwater Rock Springs Uplift: east slope of White Mountain, 0.5-1.5 mi N of U.S. Hwy 191, ca 10 air mi NNW of Rock Springs. -109.3338 41.7479 2 2073 2134 Barren gray-white shale ridges and low hills; soils fine-textured with thin layer of broken shale flakes; with Oryzopsis hymenoides and Atriplex gardneri. Phenology: flowering. RM RM 633181 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 18178 Walter Fertig 1998 6 13 164 U.S.A. Wyoming Sweetwater Green River Basin: saddle between South Chimney Rock and Point 6992 to the northeast, on east side of Flaming Gorge ca 1-1.2 mi NE of the Firehole Canyon Campground. -109.417 41.3525 2036 2042 Whitish shale barren flats of the Green River Formation on summit and southeast-facing upper slopes of saddle; bare gravel cover ca 75-80%; with patches of Artemisia nova, Tetradymia canescens, and occasional Chrysothamnus viscidiflorus. Phenology: flowering. RM RM 288640 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 1324 Robert D. Dorn 1971 7 3 184 U.S.A. Wyoming Sweetwater Ca 5 mi N of McKinnon. -109.9135 41.093 1 2134 Juniper associated with Artemisia; rare. Phenology: flowering. RM RM 523655 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 11409 Keith H. Dueholm 1981 6 12 163 U.S.A. Wyoming Uinta Green River Basin: Sage Creek Mountain; ca 12 air mi SE of Mountain View. -110.1719 41.1781 2 2195 Sandy slopes with Utah juniper, clay slide slopes; sandy ridgetops with sagebrush; sandy slopes. Phenology: flowering. RM RM 523656 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 11503 Keith H. Dueholm 1981 6 14 165 U.S.A. Wyoming Sweetwater [location and coordinates withheld] 2012 2225 Sandstone ridges with juniper, loose sand, sandy or shaley slopes below caprock of higher level escarpment; ridge. Phenology: flowering. RM RM 338580 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 8962 Ronald L. Hartman Janice C. Coffey 1979 6 14 165 U.S.A. Wyoming Carbon 3 air mi SE of Dixon. -107.5061 41.0975 1 2012 Barren hills. Phenology: flowering. RM USFS Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 78931 B. E. Nelson Lori E. Brummer, Michael K. Kirkpatrick, Josh Irwin, Ronald L. Hartman 2010 5 1 121 U.S.A. Colorado Mesa Colorado River Valley: just SW of Samson Mesa in Smith Gulch, ca 3.5 air mi ENE of De Beque. -108.152 39.3517 1539 1658 Slopes of a draw, clay and sandy slope with junipers below sandstone outcrops and ridgetop. Phenology: flowering. RM USFS Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 79119 B. E. Nelson Lori E. Brummer 2010 5 3 123 U.S.A. Colorado Mesa Battlement Mesa: west end of the mesa below V or Sunnyside Road, ca 1.5 air mi NNW of Horsethief Mountain, ca 4 air mi SE of De Beque. -108.1497 39.2986 1719 1743 Hill of Wasatch Formation with hard clay cap. Phenology: flowering. RM USFS Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 34 Michael K. Kirkpatrick B. E. Nelson 2010 5 7 127 U.S.A. Colorado Garfield Colorado River Valley: S of the Colorado River between Divide Creek and Garfield Creek, ca 4 air mi E of Silt. -107.5861 39.5485 1676 1768 Moderate north- and west-facing slopes of pinyon-juniper woodland and sparsely vegetated clay soils. Phenology: flowering. RM USFS Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 311 Michael K. Kirkpatrick 2010 5 16 136 U.S.A. Colorado Mesa White River National Forest: southwestern corner of the Forest between Little Horsethief Creek and Sunnyside Reservoir, bordering BLM lands to the W, ca 4-5 air mi SSE of De Beque at the intersection of I-70 and De Beque Cutoff Road. -108.1578 39.2784 1798 2134 Adobe ravines of gray, chocolate brown, and light-colored clays, dominated by greasewood and saltbrush. Phenology: flowering. RM USFS 898388 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 487 Michael K. Kirkpatrick 2010 5 23 143 U.S.A. Colorado Mesa Between Smith Creek and Alkali Creek, S of Samson Mesa, ca 6 air mi ESE of De Beque. -108.1232 39.32 1719 1780 Adobe hills and slopes with sagebrush, greasewood and scattered juniper. Phenology: flowering. RM USFS Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 647 Michael K. Kirkpatrick 2010 5 27 147 U.S.A. Colorado Mesa Black Mountain, W of the De Beque Cutoff Road, ca 8-9 air mi SSE of De Beque. -108.1588 39.2257 1670 2012 Juniper woodland with scattered sagebrush on eastern flanks of mountain below sandstone and shale outcrops. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 89401 Ronald L. Hartman Michael K. Kirkpatrick, Josh Irwin, John G. Proctor 2010 5 3 123 U.S.A. Colorado Mesa Battlement Mesa: White River National Forest: west end of the mesa, ca 1.5 air mi NW of Horsethief Mountain. -108.138 39.3043 1739 1804 Pinyon woodlands. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 5172 Michael K. Kirkpatrick 2011 5 26 146 U.S.A. Colorado Mesa Battlement Mesa: creek below Bull Basin from waterfall to confluence with Little Alkali Creek, ca 2 air mi NW of Housetop Mountain and ca 7 air mi SSW of Parachute. -108.0795 39.345 1707 1890 South-facing, sparsely vegetated clay slopes and badlands. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 5260 Michael K. Kirkpatrick 2011 5 29 149 U.S.A. Colorado Mesa Battlement Mesa: hills and slopes N of Pete and Bill Creek and S of High Mesa, ca 5 air mi N of Horse Mountain and ca 4 air mi S of Parachute. -108.0307 39.3922 1829 1951 Adobe hills and slopes below bluffs. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 5317 Michael K. Kirkpatrick 2011 5 30 150 U.S.A. Colorado Mesa Colorado River Valley: canyon SE of De Beque Reservoir, ca 1 air mi NNE of De Beque off of the W.50 Road. -108.213 39.3417 1570 1646 Adobe hills and slopes with sparse vegetation cover. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 5462 Michael K. Kirkpatrick 2011 6 1 152 U.S.A. Colorado Garfield Colorado River Valley: W of the mouth of Smith Gulch, N of I-70 along a frontage road, ca 5 air mi SW of Parachute. -108.1373 39.3986 1615 1646 Shrink-swell clay slopes dominated by Atriplex, Sarcobatus, and Stanleya. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 5520 Michael K. Kirkpatrick 2011 6 2 153 U.S.A. Colorado Mesa Battlement Mesa: White River National Forest: Little Alkali Creek canyon upstream of confluence with creek leading to Bull Basin, ca 7 air mi E of De Beque. -108.0796 39.3327 1829 1951 Sandy slopes in canyon with juniper, mountain shrubs, oak, and ephedra. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 7490 Lori E. Brummer 2012 5 13 134 U.S.A. Colorado Montrose Uncompahgre Basin: adobe hills N of Cedar Creek off Kinnikin Road, ca 7.5 air mi SE of Montrose. -107.75956 38.41648 1957 2073 Bare adobe hillside. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 8133 Lori E. Brummer 2012 5 29 150 U.S.A. Colorado Mesa Grand Mesa National Forest: Horsethief Mountain, southwest slopes near Shire Gulch, off of V or Sunnyside Road, ca 27 air mi NE of Grand Junction. -108.13963 39.25824 1841 1951 Sparse pinyon/juniper with barren clay slope. Phenology: fruiting. RM USFS Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 89401 Ronald L. Hartman Michael K. Kirkpatrick, Josh Irwin, John G. Proctor 2010 5 3 123 U.S.A. Colorado Mesa Battlement Mesa: White River National Forest: west end of the mesa, ca 1.5 air mi NW of Horsethief Mountain. -108.138 39.3043 1739 1804 Pinyon woodlands. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 79244 B. E. Nelson 2010 5 5 125 U.S.A. Colorado Delta Upper Wells Gulch and slopes and ridges below Grand Mesa, ca 11.5-12 air mi NW of Delta. -108.2265 38.85 1829 2164 Juniper-lined dry wash with basalt rocks and boulders. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 79308 B. E. Nelson 2010 5 9 129 U.S.A. Colorado Delta Uncompahgre Plateau: Sawmill Mesa, along and above Club Gulch off of Sawmill Mesa Road, ca 9 air mi WSW of Delta. -108.2174 38.6827 1692 1731 Dry wash with sand, silt, and mudstone slopes and ledges, with sagebrush and scattered juniper. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 79435 B. E. Nelson Lori E. Brummer 2010 6 3 154 U.S.A. Colorado Montrose Gunnison Gorge National Conservation Area: in the Gunnison Gorge along the Chukar Road through the Gunnison Gorge Wilderness, ca 8 air mi E of Olathe. -107.8386 38.6002 1920 Pinyon/juniper in a broad sandstone canyon. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 71 Lori E. Brummer B. E. Nelson 2010 6 3 154 U.S.A. Colorado Montrose Gunnison Gorge National Conservation Area: Eagle Valley Trailhead in Adobe Hills about 5.5 air mi E of Olathe. -107.8843 38.6042 1756 1774 Adobe hills. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 490 Lori E. Brummer 2010 6 11 162 U.S.A. Colorado Mesa Dominguez Canyon Wilderness Study Area: Cactus Park Trail, 4.4 road mi SE of Colo Hwy 141, ca 22.5 air mi WNW of Delta. -108.4528 38.8269 1707 1951 Pinyon/juniper in sandstone canyon. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 2528 Lori E. Brummer 2011 5 14 134 U.S.A. Colorado Delta BLM Lands N of Adobe Buttes, NW of Eckert, ca 28.5 air mi NNW of Montrose. -108.0037 38.869 1689 1731 Adobe hills and mesa top. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 2617 Lori E. Brummer 2011 5 16 136 U.S.A. Colorado Delta Gunnison Gorge National Conservation Area: Pleasure Park, hillsides and mesa top on north side of Pleasure Park Road, ca 13 mi ENE of Delta. -107.8322 38.7911 1591 1634 Desert grasslands on sandstone mesa on top of adobe hills. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 2672 Lori E. Brummer 2011 5 17 137 U.S.A. Colorado Delta Uncompahgre Plateau: Escalante Canyon, McCarthy Trail, ca 11.5 air mi W of Delta. -108.2674 38.738 1509 1859 Juniper grasslands on clay hillsides with sandstone mesa tops. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 3223 Lori E. Brummer 2011 5 27 147 U.S.A. Colorado Mesa Plateau Valley: lower north slopes of Indian Peak, ca 25 air mi NE of Grand Junction. -108.1284 39.2072 1597 1719 Scattered juniper and desert grassland on clay hills with sandstone outcrops. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 3402 Lori E. Brummer 2011 5 31 151 U.S.A. Colorado Montrose Uncompahgre Basin: Gunnison Gorge National Conservation Area: ridge along Bobcat Road, ca 6 air mi ENE of Olathe. -107.8789 38.6316 1789 1835 Desert grassland with scattered pinyon/juniper on shale hillsides with sandstone outcrops. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 3543 Lori E. Brummer 2011 6 2 153 U.S.A. Colorado Delta McDonald Mesa: adobe hills N of McDonald Creek, ca 24 air mi ENE of Delta. -107.6144 38.7782 1807 1914 Adobe hills and slopes. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 3662 Lori E. Brummer 2011 6 8 159 U.S.A. Colorado Delta Oak Mesa: lower slopes above Leroux Creek, ca 18-19.5 air mi NE of Delta. -107.7654 38.8903 2008 2304 Exposed clay hillside in pinyon/juniper woodland. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 3805 Lori E. Brummer 2011 6 10 161 U.S.A. Colorado Mesa Uncompahgre Plateau: Gunnison Gulch Trailhead area, NE of Bennetts Basin, ca 18.5 air mi W of Delta. -108.4157 38.69553 2152 2225 Clay slope in pinyon/juniper. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 3889 Lori E. Brummer 2011 6 13 164 U.S.A. Colorado Montrose Uncompahgre Basin: Cerro Summit area: hillside and ridges above Hairpin Creek, ca 11 mi E of Montrose. -107.6768 38.4577 2195 2405 West-facing clay hillside. Phenology: flowering. RM RM 690309 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 471 C. H. Refsdal 1994 6 3 154 U.S.A. Wyoming Sweetwater Basins and Mountains of Southwest Wyoming: ca 4 air mi SE of Green River; E of FMC picnic area on old OandG dirt road. -109.402 41.4886 1 1920 2025 White shale ridgetop and adjacent sandy bottoms. Phenology: flowering. RM RM 124729 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson s.n. Aven Nelson 1914 U.S.A. Wyoming no county No data Phenology: flowering. RM RM 633863 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 35413 B. E. Nelson C. H. Refsdal and Laura Welp 1995 6 20 171 U.S.A. Wyoming Sweetwater Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: west side of Flaming Gorge Reservoir between Firehole Canyon and Sage Creek Basin, ca 13 air mi S of Green River. -109.455 41.3383 1 1841 1902 Sandy clay slopes with scattered rock, dominated by desert shrubs. Phenology: flowering. RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 3645 C. H. Refsdal S. Goodrich 1995 6 5 156 U.S.A. Utah Daggett Southwestern Wyoming and Adjacent Utah: Flaming Gorge National Recreation Area: ca 4 air mi E of Manila. -109.6343 40.9668 1 1853 1914 Salt desert shrubs, scattered junipers, steep slopes, Morrison clays and Dakota sandstone. Phenology: flowering. RM RM 633864 Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 3789 C. H. Refsdal S. Goodrich 1995 6 7 158 U.S.A. Wyoming Sweetwater Basins and Mountains of Southwest Wyoming: Flaming Gorge National Recreation Area: ca 8 air mi NW of Dutch John; 2.1 mi W of the Forest boundary. -109.5503 41.0203 1 1951 Mountain top, shaly, Cercocarpus. Phenology: flowering. RM RM Asclepias cryptoceras var. cryptoceras physical specimen Apocynaceae Asclepias cryptoceras var. cryptoceras S. Watson 798 Amy J. Roderick 1997 6 16 167 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: ca 3.5 road mi W on County Road 508, ca 6 air mi NW of Saratoga. -106.8699 41.5482 2060 2090 Sagebrush grasslands with sandstone outcrops. Phenology: flowering. RM RM Asclepias cryptoceras var. davisii physical specimen Apocynaceae Asclepias cryptoceras var. davisii (Woodson) W. H. Baker 64405 Ronald L. Hartman Joy Handley 1999 6 5 156 U.S.A. Idaho Washington Payette National Forest and Vicinity: Dennett Creek, 3-6 mi E of Snake River. -117.0894 44.5636 890 1402 Sagebrush slopes, streamside, juniper and Douglas fir above on gravelly shale. Phenology: flowering & fruiting. 3600 3,1,0 true