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RM RM 293138 Cirsium eatonii var. murdockii × Cirsium pulcherrimum var. pulcherrimum physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 189 Robert C. Gardner 1971 8 9 221 U.S.A. Wyoming Sheridan U.S. Hwy 14, ca 15 mi E of Burgess Junction. Along roadside at upper elevations. Common. Chemical voucher. 2n = 35 and 36 Phenology: flowering. RM RM 383888 Cirsium eatonii var. murdockii × Cirsium pulcherrimum var. pulcherrimum physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 4410 Robert D. Dorn 1986 8 5 217 U.S.A. Wyoming Sublette Middle Piney Lake, southeast side. 2774 Talus slope, with Senecio and Chaenactis. Flowers white. Phenology: flowering & fruiting. RM USFS 864402 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 73263 B. E. Nelson 2007 7 26 207 U.S.A. Montana Stillwater Beartooth Mountains: Custer National Forest: along Mystic Lake Trail above and just E of Mystic Lake, ca 26 air mi W of Red Lodge. -109.7721 45.2175 2339 2365 Lodgepole pine forest with small clearings. Phenology: flowering & fruiting. RM USFS 866920 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 73680 B. E. Nelson 2007 8 1 213 U.S.A. Montana Sweet Grass Beartooth Mountains: Gallatin National Forest: East Boulder Plateau: along East Boulder River in Placer Basin just above Forge Creek, ca 27 air mi SSW of Big Timber. -110.0863 45.421 2652 2664 Old spoil piles. Phenology: flowering & fruiting. RM USFS 860967 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 13680 Brian Elliott 2007 7 25 206 U.S.A. Wyoming Park Beartooth Mountains: Shoshone National Forest: Sawtooth Mountain, ca 33.5 air mi NW of Cody. -109.4557 44.9041 2963 3323 Mixed conifer forest and granite rock outcrops. Phenology: flowering & fruiting. RM USFS 867647 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 2462 Emily Elliott Ken Elliott 2007 7 6 187 U.S.A. Montana Gallatin Gallatin Range: Gallatin National Forest: along Grotto Falls Trail, from trailhead at end of Forest Road 62, ca 17 air mi SSE of Bozeman. -110.9595 45.4402 2097 2219 Volcanic cliffs with seep and talus field. Phenology: fruiting. RM USFS 864417 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 2844 Emily Elliott Dean Sherman 2007 7 13 194 U.S.A. Montana Carbon Beartooth Mountains: Custer National Forest: Hellroaring Plateau, ca 14.5 air mi SW of Red Lodge. -109.4856 45.0404 2896 3115 Subalpine meadow dominated by sedges and forbs; basin bottom and ridge in sub-alpine. Phenology: flowering & fruiting. RM USFS 867648 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 2932 Emily Elliott Dean Sherman 2007 7 14 195 U.S.A. Montana Carbon Beartooth Plateau and Gallatin National Forest and vic.: Hellroaring Plateau; Forest Road 2004 at Hellroaring Creek, ca 13.5 air mi SW of Red Lodge. -109.4507 45.0478 2609 2646 Tallus slope and road cut. Phenology: fruiting. RM USFS 864399 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 3711 Emily Elliott Brian Elliott and Bonnie Hiedel 2007 7 27 208 U.S.A. Montana Park Beartooth Mountains: Custer National Forest: E of U.S. Hwy 212 and Clarks Fork Yellowstone and Broadwater rivers on trail to Vernon Lake, ca 31-32.5 air mi WSW of Red Lodge. -109.8693 45.0173 2399 2530 Moist spruce-fir forest with Vaccinium dominating the understory. Phenology: flowering & fruiting. RM USFS 867649 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 3977 Emily Elliott Brian Elliott 2007 7 31 212 U.S.A. Montana Park Absaroka Range: Gallatin National Forest: just SE of Mount Wallace above the head of Grizzly Creek, ca 33 air mi SSE of Livingston. -110.4603 45.1915 3048 3231 Steep alpine cirque rim and slopes; volcanic soils. Phenology: fruiting. RM RM Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 88735 Ronald L. Hartman 2008 8 19 232 U.S.A. Montana Meagher Lewis and Clark National Forest: Crazy Mountains: southwest side of Virginia Peak. -110.4628 46.2187 1 2228 2572 Stream, barren strip, and spruce forest. Phenology: flowering. RM USFS 867650 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 5899 Emily Elliott Brian Elliott 2008 7 13 195 U.S.A. Montana Park Absaroka Range: Gallatin National Forest: East Fork Boulder River valley, ca 41 air mi SSW of Big Timber; from the Box Canyon Trailhead over the Lake Plateau to the Upsidedown Creek Trailhead on Forest Road 6639. -110.2502 45.2737 2024 2301 Mixed conifer forest dominated by Pinus contorta and Pseudotsuga menziesii with a forb understory and with scattered meadows. Phenology: fruiting. RM RM 860858 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 6342 Emily Elliott 2008 7 21 203 U.S.A. Wyoming Park Beartooth Mountains: Shoshone National Forest: Beartooth Plateau: near Clay Butte Lookout/Visitor Center, along U.S. Hwy 212, ca 24 air mi SW of Red Lodge, Montana. -109.6232 44.9616 2939 3085 Alpine meadow with limestone outcrops. Phenology: fruiting. RM RM 864400 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 6556 Emily Elliott 2008 7 27 209 U.S.A. Montana Sweet Grass Beartooth Mountains: Custer National Forest: along Forest Road 2140, E of Picket Pin Mountain, ca 27 air mi S of Big Timber. -110.0208 45.4509 2609 2682 Meadow dominated by forbs, located on steep slope at base of a dolomite cliff. Phenology: flowering & fruiting. RM RM 864401 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 6604 Emily Elliott 2008 7 27 209 U.S.A. Montana Sweet Grass Beartooth Mountains: Custer National Forest: along Forest Road 2140, Picket Pin Mounain, ca 27 air mi S of Big Timber. -110.0505 45.4469 2856 2987 Mixed conifer forest dominated by Pinus contorta and Picea with scattered openings. Phenology: flowering & fruiting. RM USFS 867407 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 6683 Emily Elliott 2008 7 28 210 U.S.A. Montana Sweet Grass Beartooth Mountains: Gallatin National Forest: Contact Mountain from end of Forest Road 2140 along the East Boulder Plateau, ca 27 air mi SW of Big Timber. -110.166 45.4885 2881 3060 Talus slopes and scattered alpine meadow near tree line. Phenology: fruiting. RM USFS 866905 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 7005 Emily Elliott Brian Elliott 2008 8 4 217 U.S.A. Montana Park Absaroka Range: Gallatin National Forest: between West Boulder Plateau and Falls Creek, ca 33 air mi SSW of Big Timber. -110.327 45.4283 2378 2865 Picea and Pinus flexilis with Vaccinium understory and scattered open talus slopes. Phenology: flowering & fruiting. RM USFS 866906 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 7195 Emily Elliott Brian Elliott 2008 8 5 218 U.S.A. Montana Park Absaroka Range: Gallatin National Forest: along Great Falls Creek to Boulder River, ca 27-33 air mi SW of Big Timber. -110.2987 45.4274 1609 2884 Moist, shaded Picea forest. Phenology: fruiting. RM USFS 866907 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 7671 Emily Elliott Brian Elliott 2008 8 20 233 U.S.A. Montana Sweet Grass Beartooth Mountains: Gallatin National Forest: along Forest Road 2140, Iron Mountaain, ca 29 air mi S of Big Timber. -110.0692 45.418 2914 2963 Rock outcrop and stabilized talus slope. Phenology: fruiting. RM USFS 866919 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 8259 Emily Elliott Brian Elliott 2008 8 26 239 U.S.A. Montana Sweet Grass Absaroka Range: Gallatin National Forest: Absaroka/ Beartooth Wilderness, along the East Fork Boulder River and across divide to Basin Creek, ca 17-20 air mi NW of Cooke City. -110.2232 45.2201 2475 2926 Subalpine meadows and Picea/Abies/Pinus flexilis forest. Phenology: fruiting. RM RM 863534 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 14221 Brian Elliott 2008 8 12 225 U.S.A. Montana Stillwater Beartooth Mountains: Custer National Forest: on the north slope of Froze-to-Death Plateau, ca 16 air mi NE of Cooke City. -109.7545 45.2138 2850 2987 Open mixed conifer forest interspersed with talus. Phenology: flowering & fruiting. RM RM 864403 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 14489 Brian Elliott 2008 8 16 229 U.S.A. Montana Carbon Beartooth Mountains: Custer National Forest: ca 6.5 air mi ENE of Beartooth Pass, on north-facing slope of unnamed plateau, ca 13 air mi SSW of Red Lodge. -109.3503 45.0136 2591 Dry meadows near bottom of canyon. Phenology: fruiting. RM RM 864424 Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 14514 Brian Elliott 2008 8 16 229 U.S.A. Montana Carbon Beartooth Mountains: Custer National Forest: ca 6.5 air mi ENE of Beartooth Pass, on north-facing slope of unnamed plateau, ca 13 air mi SSW of Red Lodge. -109.3503 45.0137 2576 Riparian meadow. Phenology: fruiting. RM Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 14221 Brian Elliott 2008 8 12 225 U.S.A. Montana Stillwater Beartooth Mountains: Custer National Forest: on the north slope of Froze-to-Death Plateau, ca 16 air mi NE of Cooke City. -109.7545 45.2138 2850 2987 Open mixed conifer forest interspersed with talus. Phenology: flowering & fruiting. RM USFS Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 73263 B. E. Nelson 2007 7 26 207 U.S.A. Montana Stillwater Beartooth Mountains: Custer National Forest: along Mystic Lake Trail above and just E of Mystic Lake, ca 26 air mi W of Red Lodge. -109.7721 45.2175 2339 2365 Lodgepole pine forest with small clearings. Phenology: flowering & fruiting. RM Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 6604 Emily Elliott 2008 7 27 209 U.S.A. Montana Sweet Grass Beartooth Mountains: Custer National Forest: along Forest Road 2140, Picket Pin Mounain, ca 27 air mi S of Big Timber. -110.0505 45.4469 2856 2987 Mixed conifer forest dominated by Pinus contorta and Picea with scattered openings. Phenology: flowering & fruiting. RM RM Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 9957 Lori E. Brummer 2012 7 18 200 U.S.A. Colorado Mesa Grand Mesa: Grand Mesa National Forest: Leon Peak, west slope near the summit and southwest slope, N of Twin Lakes, ca 13.5 air mi NE of Cedaredge. -107.8448 39.0795 3292 3414 Rocky subalpine slopes. Mesa and Delta county. Phenology: flowering. RM RM Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 3002 Joshua J. Irwin 2010 7 28 209 U.S.A. Idaho Custer Challis National Forest: Lost River Range: upper Methodist Gulch, 6.8 air mi NE of Mackay. -113.50851 43.97767 10 2703 Sandy or gravelly soil in mesic forb dominated vegetation; 13° slope, NNW aspect; silty, sandy limestone geology. 1-25 individuals apparent. Phenology: flowering. RM RM Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 3137 Joshua J. Irwin Wendy Irwin 2010 7 29 210 U.S.A. Idaho Custer Challis National Forest: Lost River Range: Long Lost Creek W of Point 10382 at road crossing of small stream, 12.9 air mi NNE of Mackay. -113.55075 44.09571 10 2459 Bedrock or scree in xeric herbaceous riparian vegetation; 6° slope, WNW aspect; alluvial geology. 1-25 individuals apparent. Phenology: flowering. RM RM Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 2701 Joshua J. Irwin 2010 7 23 204 U.S.A. Idaho Custer Challis National Forest: Pahsimeroi Mountains: cirque basin in upper Christian Gulch near Point 8842, 21.1 air mi SE of Challis. -113.8977 44.31423 10 2728 Sandy or gravelly soil in xeric barren ground vegetation; 21° slope, SSE aspect; silty, sandy limestone geology. 1-25 individuals apparent. Phenology: flowering. RM RM Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 3225 Joshua J. Irwin 2010 8 1 213 U.S.A. Idaho Lemhi Salmon National Forest: Beaverhead Mountains: Freeman Creek valley W of Freeman Peak, 11 air mi NE of Salmon. -113.71995 45.27508 10 2175 Well developed soil in mesic woody riparian vegetation; 18° slope, S aspect; arenite geology. 1-25 individuals apparent. Phenology: flowering. RM RM Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 4501 Joshua J. Irwin 2010 8 20 232 U.S.A. Idaho Lemhi Salmon National Forest: Salmon-Bitterroot Divide: Allan Lake Trail ca 0.2 mi up from the lake, 12.7 air mi NNW of North Fork. 114.05233 45.58515 10 2425 Sandy or gravelly soil in mesic larch vegetation; 20° slope, NNE aspect; feldspathic metasandstone geology. 1-25 individuals apparent. Phenology: flowering. RM RM Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 6839 Joshua J. Irwin 2011 7 25 206 U.S.A Idaho Lemhi Salmon National Forest: Northern Salmon River Mountains: upper North Fork Salmon River, where U.S. Hwy 93 crosses toward Moose Creek, 17.6 air mi N of the town of North Fork. -113.97723 45.66015 30 1767 <25 plants estimated in xeric soil within a forb dominated vegetation, 8 degree slope, NE aspect, quartzite geology. Phenology: flowering. RM RM Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 7550 Joshua J. Irwin 2011 8 9 221 U.S.A Idaho Lemhi Salmon National Forest: Salmon River Mountains: Napias Creek valley above the Pony Creek confluence, 12.0 air mi W of Salmon. -114.13768 45.1949 30 1916 <25 plants estimated in xeric soil within a lodgepole pine vegetation, no slope, rhyodacite geology. Phenology: flowering. RM RM Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 1907 Lori E. Brummer 2010 8 11 223 U.S.A. Colorado Hinsdale San Juan Mountains: Uncompaghre Wilderness: Horsethief Trail and Darley Mountain, ca 5.5 air mi ESE of Ouray. -107.5827 37.9951 3780 3902 Alpine meadow. Phenology: flowering. RM Cirsium eatonii var. murdockii physical specimen Asteraceae Cirsium eatonii var. murdockii S. L. Welsh 7694 C. H. Refsdal S. Goodrich 1995 8 22 234 U.S.A. Utah Daggett North Slope Uinta Mountains: Ashley National Forest: north of Spirit Lake, ca 15.5 air mi SW of Manila on both sides of Forest Road 001. -109.9975 40.8508 1 3091 3103 Upland, red quartzite talus. Phenology: flowering & fruiting. 3600 3,1,0 true