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 162573 Flaig 2004 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by Jeanette Flaig. RM-16835 B. E. Nelson 62635 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. Aspen meadow at the head of a drainage. 7800 8300 ft. 37.0727° N, 106.8505° W; GPS Reading T33N R1E S28 N1/2 37.0727 -106.8505 GPS Reading Flowering and Fruiting N N 2 RM 169269 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17081 Erin Foley 1190 Michael Foley 22 6 2003 U.S.A. Colorado Clear Creek Arapaho National Forest: Front Range: West Fork Clear Creek at Mizpah Campground, ca 12 air mi S of Fraser; ca 14 air mi WNW of Idaho Springs. Along creek and in spruce forest. 9400 9600 ft. 39.7762° N, 105.7923° W; GPS Reading T3S R75W S21 South1/2 39.7762 -105.7923 GPS Reading Flowering and Fruiting N N 3 RM 170259 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17099 Erin Foley 2105 10 7 2003 U.S.A. Colorado Grand Arapaho National Forest: Front Range: Vasquez Creek, ca 3 air mi SSE of Fraser, ca 6.5 air mi NNW of Berthoud Pass. Along creek, in spruce forest, and roadside. 9000 ft. 39.9015° N, 105.8046° W; uncertainty 0.5 mi. T2S R75W S5 N1/2 39.9015 -105.8046 1 mi. Flowering and Fruiting N N 4 RM 170774 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17108 Erin Foley 2569 17 7 2003 U.S.A. Colorado Grand Arapaho National Forest: Williams Fork Mountains: intermittent stream between Henderson Tunnel and Williams Fork, ca 6 air mi SW of Byers Peak, ca 13.5 air mi SW of Winter Park. Along stream and river in spruce/lodgepole pine forest. 9000 10140 ft. 39.7838° N, 105.9991° W; uncertainty 0.5 mi. T3S R77W S15 W1/2 39.7838 -105.9991 1 mi. Flowering and Fruiting N N 5 RM 171166 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17115 Erin Foley 2919 19 7 2003 U.S.A. Colorado Grand Arapaho National Forest: Front Range: Meadow Creek Road, ca 28 air mi W of Boulder; ca 5.5 air mi N of Fraser. Open aspen/lodgepole pine forest. 9000 ft. 40.0224° N, 105.8071° W; GPS Reading T1N R75W S29 NE1/4 40.0224 -105.8071 GPS Reading Flowering and Fruiting N N 6 RM 171387 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17117 Erin Foley 3113 21 7 2003 U.S.A. Colorado Grand Arapaho National Forest: Front Range: S of Lake Granby along Doe Creek, ca 6.5 air mi ENE of Granby; ca 15.5 air mi NNW of Fraser. Along creek and in open meadow. 8480 8760 ft. 40.1098° N, 105.8289° W; GPS Reading T2N R75W S19 40.1098 -105.8289 GPS Reading Flowering and Fruiting N N 7 RM 171414 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17119 Erin Foley 3137 21 7 2003 U.S.A. Colorado Grand Arapaho National Forest: Front Range: Monarch Lake, ca 10.5 air mi E of Granby; ca 12 air mi NE of Fraser. Lakeside, spruce/lodgepole pine/fir forest, and streamside. 8400 ft. 40.108° N, 105.7415° W; uncertainty 0.5 mi. T2N R75W S25 40.108 -105.7415 1 mi. Flowering and Fruiting N N 8 RM 171575 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17120 Erin Foley 3282 23 7 2003 U.S.A. Colorado Boulder Roosevelt National Forest: Front Range: Indian Peaks Wilderness: Saint Vrain Mountain Trail, ca 18 air mi NW of Boulder; ca 7 air mi NW of Ward. Lodgepole pine/spruce forest, subalpine, and streamside. 9600 11100 ft. 40.1695° N, 105.5588° W; uncertainty 1 mi. T2N R73W S3; also SW1/4 S4 40.1695 -105.5588 1 mi. Flowering and Fruiting N N 9 RM 171641 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17121 Erin Foley 3341 23 7 2003 U.S.A. Colorado Boulder Roosevelt National Forest: Front Range: Indian Peaks Wilderness: Rainbow Lakes, ca 3.5-4 air mi NW of Nederland; ca 12.5 air mi NE of Fraser. Lakeside and moist spruce/lodgepole pine/fir forest. 10200 ft. 40.0132° N, 105.5828° W; GPS Reading T1N R73W S33 NW1/4; also NE1/4 S32 40.0132 -105.5828 GPS Reading Flowering and Fruiting N N 10 RM 171915 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17126 Erin Foley 3585 27 7 2003 U.S.A. Colorado Grand Arapaho National Forest: Front Range: Kawuneeche Road, South Supply Creek, ca 3.5 air mi WNW of Grand Lake. Along creek, wet meadow, and regenerating lodgepole pine forest. 9000 ft. 40.2617° N, 105.894° W; GPS Reading T4N R76W S34 40.2617 -105.894 GPS Reading Flowering and Fruiting N N 11 RM 172348 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17133 Erin Foley 3969 31 7 2003 U.S.A. Colorado Grand Arapaho National Forest: Front Range: Indian Peaks Wilderness: Cascade Creek Trail, along Buchanan Creek, ca 1 mi E of Monarch Lake. Dry slopes. 8800 ft. 40.1105° N, 105.7066° W; GPS Reading T2N R74W S29 N1/2 40.1105 -105.7066 GPS Reading Flowering and Fruiting N N 12 RM 172677 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17138 Erin Foley 4261 Jill Torres 4 8 2003 U.S.A. Colorado Grand Arapaho National Forest: Front Range: Byers Peak Wilderness: Lake Evelyn Trail, ca 9.5 air mi WSW of Fraser. Along trail through mixed coniferous forest with intermittent streams and meadows. 9800 11000 ft. 39.8862° N, 105.9722° W; GPS Reading T2S R77W S11 South1/2; also N1/2 S14 39.8862 -105.9722 GPS Reading Flowering and Fruiting N N 13 RM 173098 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17147 Erin Foley 4635 10 8 2003 U.S.A. Colorado Gilpin Arapaho National Forest: Front Range, tributary of North Clear Creek, ca 4 air mi WNW of Central City; ca 6.5 air mi NE of Empire. Along small stream through spruce forest and cleared meadows. 9800 ft. 39.822° N, 105.585° W; GPS Reading T3S R73W S5 N1/2 39.822 -105.585 GPS Reading Flowering and Fruiting N N 14 RM 173378 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17152 Erin Foley 4888 14 8 2003 U.S.A. Colorado Grand Arapaho National Forest: Williams Fork Mountains: Skylark Creek, ca 1.5 mi W of Mule Creek, ca 13.5 air mi SSW of Hot Sulphur Springs. Spruce/fir forest. 8880 9600 ft. 39.885° N, 106.186° W; GPS Reading T2S R79W S11 E1/2; also W1/2 S12 39.885 -106.186 GPS Reading Flowering and Fruiting N N 15 RM 173649 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17154 Erin Foley 5130 16 8 2003 U.S.A. Colorado Grand Arapaho National Forest: Front Range: Never Summer Wilderness: Cascade Mountain, ca 10.5 air mi N of Granby. Spruce/lodgepole pine/fir forest and clearings. 9680 11500 ft. 40.3317° N, 105.9561° W; GPS Reading T4N R77W S1; 2 40.3317 -105.9561 GPS Reading Flowering and Fruiting N N 16 RM 173721 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17156 Erin Foley 5194 16 8 2003 U.S.A. Colorado Grand Arapaho National Forest: Rabbit Ears Range: Buffalo Creek, ca 15.5 air mi NW of Granby; ca 15 air mi NE of Parshall. In disturbed areas and along small creek tributary. 8880 ft. 40.262° N, 106.1141° W; GPS Reading T4N R78W S34 SW1/4 40.262 -106.1141 GPS Reading Flowering and Fruiting N N 17 RM 174014 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17162 Erin Foley 5456 19 8 2003 U.S.A. Colorado Grand Arapaho National Forest: Williams Fork Mountains: South Fork Williams Fork Trail, ca 24 air mi SSE of Hot Sulphur Springs; ca 9.5 air mi NW of Loveland Pass. Along river and adjacent spruce/fir forest. 9800 ft. 39.7129° N, 106.0077° W; GPS Reading T4S R77W S4; also S9 39.7129 -106.0077 GPS Reading Flowering and Fruiting N N 18 RM 174120 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17163 Erin Foley 5551 26 8 2003 U.S.A. Colorado Grand Arapaho National Forest: Rabbit Ears Range: North Fork Cabin Creek along Cabin Creek Road, ca 3 mi W of Colo Hwy 125, ca 9 air mi N of Hot Sulphur Springs. Along creek and roadside. 8500 ft. 40.2021° N, 106.0912° W; GPS Reading T3N R78W S23 South1/2; also N1/2 S26 40.2021 -106.0912 GPS Reading Flowering and Fruiting N N 19 RM 174236 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17165 Erin Foley 5655 30 8 2003 U.S.A. Colorado Grand Arapaho National Forest: Rabbit Ears Range: 0.5 mi S of Willow Creek Pass along Pass Creek, ca 28.5 air mi SE of Walden. Along creek and in adjacent meadow and lodgepole pine forest. 9500 9700 ft. 40.3444° N, 106.0963° W; GPS Reading T4N R78W S2 40.3444 -106.0963 GPS Reading Flowering and Fruiting N N 20 RM 174694 Foley 2003 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17173 Erin Foley 930 Michael Foley 20 6 2003 U.S.A. Colorado Grand Arapaho National Forest: Front Range: Arapaho Bay of Lake Granby, along Roaring Fork Creek, ca 9 air mi SE of Grand Lake. Roadside and lakeside. 8320 8600 ft. 40.1295° N, 105.7642° W; GPS Reading T2N R75W S14 SW1/4 40.1295 -105.7642 GPS Reading Flowering and Fruiting N N 21 RM 175613 Foley 2004 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17198 Erin Foley 10358 Ronald L. Hartman 19 7 2004 U.S.A. Colorado Grand Rabbit Ears Range: Black Mountain, ca 6 air mi NW of Parshall and ca 10.5 air mi NE of Kremmling. Mountain slope. 9200 9500 ft. 40.1454° N, 106.2108° W; GPS Reading T2N R79W S14 N1/2 40.1454 -106.2108 GPS Reading Flowering and Fruiting N N 22 RM 176612 Foley 2004 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17212 Erin Foley 11352 10 8 2004 U.S.A. Colorado Grand Rabbit Ears Range: Lindsey Creek to Grannys Nightcap, ca 18.5 air mi NNW of Kremmling and ca 23 air mi SE of Steamboat Springs. Along creek. 8720 9420 ft. 40.3252° N, 106.4434° W to 40.3296° N, 106.4494° W; GPS Reading T4N R81W S10 E1/2 40.3252 -106.4434 GPS Reading Flowering and Fruiting N N 23 RM 176681 Foley 2004 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17212 Erin Foley 11420 10 8 2004 U.S.A. Colorado Grand Rabbit Ears Range: Lindsey Creek to Grannys Nightcap, ca 18.5 air mi NNW of Kremmling and ca 23 air mi SE of Steamboat Springs. Along creek. 8720 9420 ft. 40.3252° N, 106.4434° W to 40.3296° N, 106.4494° W; GPS Reading T4N R81W S10 E1/2 40.3252 -106.4434 GPS Reading Flowering and Fruiting N N 24 RM 176699 Foley 2004 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17213 Erin Foley 11438 12 8 2004 U.S.A. Colorado Grand Arapaho National Forest: Vasquez Peak Wilderness: Vasquez Mountains: unnamed stream and junction with Vasquez Creek, ca 5 air mi SW of Winter Park and ca 7.5 air mi SSW of Fraser. Along stream. 9600 10900 ft. 39.8463° N, 105.8237° W to 39.8305° N, 105.8447° W; GPS Reading T2S R76W S36; also R75W S30 S1/2 and N1/2 S31 39.8463 -105.8237 GPS Reading Flowering and Fruiting N N 25 RM 177280 Foley 2004 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17227 Erin Foley 12013 21 8 2004 U.S.A. Colorado Grand Gore Range: off BLM Road 2750 near Dice Hill and Sheephorn Mountain, ca 5.5 air mi E of Radium and ca 9.5 air mi NW of Heeney. Mixed conifer stand. 9120 9600 ft. 39.9474° N, 106.4393° W to 40.2385° N, 105.8019° W; GPS Reading T1S R81W S27; also E1/2 S28 39.9474 -106.4393 GPS Reading Flowering and Fruiting N N 26 RM 177353 Foley 2004 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17229 Erin Foley 12085 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 Flowering and Fruiting N N 27 RM 179164 Foley 2004 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17266 Erin Foley 7303 10 6 2004 U.S.A. Colorado Grand Middle Park: just S of Hot Sulphur Springs State Wildlife Area and just N of Little Muddy, ca 3.5 air mi SSW of Hot Sulphur Springs and 11 air mi SW of Granby. Moist aspen grove. 8000 8450 ft. 40.0218° N, 106.1089° W to 40.0223° N, 106.114° W; GPS Reading T1N R78W S27 E1/2 40.0218 -106.1089 GPS Reading Flowering and Fruiting N N 28 RM 180562 Foley 2004 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17290 Erin Foley 8698 28 6 2004 U.S.A. Colorado Grand Rabbit Ears Range: tributary of Willow Creek, ca 9.5 air mi NW of Granby and ca 9.5 air mi SE of Willow Creek Pass. Moist disturbed area. 8400 8640 ft. 40.2001° N, 106.0348° W to 40.2032° N, 106.0292° W; GPS Reading T3N R77W S21 SW1/4; also SE1/4 S20 40.2001 -106.0348 GPS Reading Flowering and Fruiting N N 29 RM 180671 Foley 2004 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17292 Erin Foley 8807 1 7 2004 U.S.A. Colorado Grand Arapaho National Recreation Area: Willow Creek Reservoir, ca 4 air mi NW of Granby and ca 11 air mi SW of Grand Lake. Moist aspen stand. 8200 ft. 40.1446° N, 105.9565° W; GPS Reading T2N R77W S12 SE1/4 40.1446 -105.9565 GPS Reading Flowering and Fruiting N N 30 RM 180830 Foley 2004 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17294 Erin Foley 8966 1 7 2004 U.S.A. Colorado Grand Middle Park: Parshall Divide, ca 1.5 air mi WSW of Hot Sulphur Springs and ca 2.5 air mi ENE of Parshall. Roadside through Douglas fir. 8240 8400 ft. 40.0659° N, 106.1315° W; GPS Reading T1N R78W S9 40.0659 -106.1315 GPS Reading Flowering and Fruiting N N 31 RM 181085 Foley 2004 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17299 Erin Foley 9220 5 7 2004 U.S.A. Colorado Grand Arapaho National Forest: Middle Park: just S of U.S. Hwy 40, ca 4 air mi WNW of Granby and ca 5.5 air mi NE of Hot Sulphur Springs. Lodgepole pine slope. 7800 8080 ft. 40.1031° N, 105.9934° W to 40.1° N, 105.9911° W; GPS Reading T2N R77W S26 SW1/4; also E1/2 S27 40.1031 -105.9934 GPS Reading Flowering and Fruiting N N 32 RM 181536 Foley 2004 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17303 Erin Foley 9671 10 7 2004 U.S.A. Colorado Grand Middle Park: Round Creek, ca 11.5 air mi NE of Kremmling and ca 13.8 air mi NW of Hot Sulphur Springs. Disturbed sagebrush meadow. 8680 9120 ft. 40.1995° N, 106.2801° W to 40.2106° N, 106.2778° W; GPS Reading T3N R79W S19; also N1/2 S30 40.1995 -106.2801 GPS Reading Flowering and Fruiting N N 33 RM 181626 Foley 2004 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17305 Erin Foley 9760 12 7 2004 U.S.A. Colorado Grand Gore Range: Inspiration Point, ca 6.5 air mi SW of Kremmling and ca 5.5 air mi NE of Radium. Disturbed area through mixed coniferous woodland. 7360 7900 ft. 39.9968° N, 106.4774° W to 40.0038° N, 106.484° W; GPS Reading T1S R81W S5; also T1N R81W S33 SW1/4 39.9968 -106.4774 GPS Reading Flowering and Fruiting N N 34 RM 181850 Foley 2004 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-17191 Erin Foley 9984 14 7 2004 U.S.A. Colorado Grand Rabbit Ears Range: Troublesome Wilderness: Rabbit Ears Creek, ca 12.5 air mi SW of Rand and ca 17.5 air mi NE of Kremmling. Disturbed opening adjacent to spruce stand. 9160 9400 ft. 40.2845° N, 106.355° W to 40.275° N, 106.3465° W; GPS Reading T4N R80W S28 E1/2 40.2845 -106.355 GPS Reading Flowering and Fruiting N N 35 RM 202849 Holt 2000 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-19405 Emily A. Holt 2822 28 7 2000 U.S.A. Colorado Lake Central Colorado: Sawatch Range, East Slope Continental Divide: off Forest Road 109, ca 2.5 air mi N of Leadville. Mixed forest (Pinus contorta and Picea engelmannii). 10800 11000 ft. 39.2962° N, 106.302° W T9S R80W S2 39.2962 -106.302 Flowering and Fruiting N N 36 RM 203351 Holt 2000 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-19421 Emily A. Holt 3273 Brain Elliott 6 8 2000 U.S.A. Colorado Eagle Central Colorado: Sawatch Range, West Slope Continental Divide: below Mount Jackson, along Lake Creek Forest Service Trail 1880, ca 11 air mi S of Edwards. Open spruce-fir forest and boulder field. 10200 11000 ft. 39.4841° N, 106.5612° W T6S R82W S33; also S34 39.4841 -106.5612 Flowering and Fruiting N N 37 RM 203422 Holt 2000 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-19423 Emily A. Holt 3336 Brian Elliott 6 8 2000 U.S.A. Colorado Eagle Central Colorado: Sawatch Range, West Slope Continental Divide: along East Lake Creek, ca 8 air mi SSW of Avon. Spruce-fir forest. 9600 10200 ft. 39.5419° N, 106.5612° W T6S R82W S9; also S16, S21; also S28 39.5419 -106.5612 Flowering and Fruiting N N 38 RM 203572 Holt 2000 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-19426 Emily A. Holt 3471 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 Flowering and Fruiting N N 39 RM 208552 Holt 2001 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-19608 Emily A. Holt 6970 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 Flowering N N 40 RM 209455 Holt 2001 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-19633 Emily A. Holt 7873 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 Flowering and Fruiting N N 41 RM 222061 Kastning CO RM 570089 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. approaching var. clavatum-Keil RM-20088 B. E. Nelson 17362 Steven Nelson 31 7 1989 U.S.A. Colorado Routt Sierra Madre\Park Range: Park Range: Routt National Forest: ca 2 air mi SSE of Lynx Pass on Morrison Creek Road, ca 13 air mi ESE of Yampa; ca 29 air mi SSE of Steamboat Springs. Moist swale in lodgepole pine-aspen forest. 8800 9200 ft. 40.0833° N, 106.6674° W; uncertainty 2 mi. T1N R83W S2; also S3 40.0833 -106.6674 2 mi. N N N N 42 RM 222143 Kastning CO RM 570090 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. approaching var. clavatum-Keil RM-20091 B. E. Nelson 17444 Steven Nelson 1 8 1989 U.S.A. Colorado Routt Sierra Madre\Park Range: Park Range: Routt National Forest: Lone Spring Butte, ca 5.5 air mi ESE of Yampa, ca 24 air mi SSE of Steamboat Springs. In opening in mostly subalpine fir forest. 10200 ft. 40.1275° N, 106.8205° W T2N R84W S21 40.1275 -106.8205 N N 43 RM 222241 Kastning CO RM 570077 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. approaching var. clavatum RM-20093 B. E. Nelson 17540 Steven Nelson 1 8 1989 U.S.A. Colorado Routt Sierra Madre\Park Range: Park Range: Routt National Forest: N of head of Newcomer Creek, ca 7 air mi SE of Yampa, ca 27 air mi S of Steamboat Springs. Aspen grove. 9000 ft. 40.098° N, 106.8014° W T2N R84W S34 40.098 -106.8014 N N 44 RM 222320 Kastning CO RM 570078 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. approaching var. clavatum-Keil RM-20096 B. E. Nelson 17619 Steven Nelson 3 8 1989 U.S.A. Colorado Routt Sierra Madre\Park Range: Park Range: Routt National Forest: Along Service Creek ca 3 air mi above the Yampa River, ca 15 air mi SSE of Steamboat Springs. Aspen forest bracken understory. 7900 8300 ft. 40.2748° N, 106.7631° W T4N R84W S36 40.2748 -106.7631 Approaching var. clavatum Flowering and Fruiting N N 45 RM 222497 Kastning CO RM 570080 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. approaching var. clavatum-Keil RM-20106 B. E. Nelson 17796 Michelle Nelson 6 8 1989 U.S.A. Colorado Routt [location and coordinates withheld] Aspen-oak woods. 7600 ft. N N 46 RM 222799 Kastning CO RM 570079 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-20116 B. E. Nelson 18097 Michelle Nelson 10 8 1989 U.S.A. Colorado Routt Sierra Madre\Park Range: Park Range: Routt National Forest: Above Volcano Siding ca 2 air mi SW of Long Park, ca 13.5 air mi SE of Yampa, ca 33 air mi S of Steamboat Springs. Brushy aspen woods. 8800 9000 ft. 40.0096° N, 106.7248° W T1N R83W S32 40.0096 -106.7248 N N 47 RM 223317 Kastning CO RM 570082 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. approaching var. clavatum-Keil RM-20148 Nancy Kastning 1294 16 8 1988 U.S.A. Colorado Jackson Sierra Madre\Park Range: Park Range: ca 2 air mi N of Red Elephant Mountain. Dry open areas under lodgepole pine and spruce. 9100 9400 ft. 40.9229° N, 106.6288° W T11N R82W S17; also S18, S19; also S20 40.9229 -106.6288 Approaching var. clavatum Flowering and Fruiting N N 48 RM 223331 Kastning CO RM 570081 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. approaching var. clavatum-Keil RM-20149 Nancy Kastning 1308 Sunny and Joel Kastning 18 8 1988 U.S.A. Colorado Jackson Sierra Madre\Park Range: Park Range: ca 6.5 air mi SSE of Mount Ethel. Aspen forests. 8750 ft. T17N R82W S20; also S21 N N N N 49 RM 224551 Kastning CO RM 570083 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-20201 Nancy Kastning 2538 26 7 1989 U.S.A. Colorado Jackson Sierra Madre\Park Range: Park Range: ca 20 air mi WSW of Walden in the Rainbow Lake area. Lodgepole pine-aspen mixed area. 9400 9800 ft. 40.648° N, 106.6256° W T8N R82W S20; also S21 40.648 -106.6256 N N 50 RM 224936 Kastning CO RM 570084 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. approaching var. clavatum-Keil RM-20211 Neil Snow 4868 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. Edge of creek. 6900 8300 ft. 40.5791° N, 106.8732° W T7N R85W S12; also S1 40.5791 -106.8732 N N 51 RM 224992 Kastning CO RM 570085 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-20212 Neil Snow 4924 4 8 1989 U.S.A. Colorado Routt [location and coordinates withheld] Spruce-fir-Pseudotsuga forest and adjacent meadows. 9000 10839 ft. N N 52 RM 225240 Kastning CO RM 570086 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-20218 Neil Snow 5168 4 8 1989 U.S.A. Colorado Grand [location and coordinates withheld] Meadows and disturbed areas. 9200 ft. N N 53 RM 225477 Kastning CO RM 570087 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-20219 Neil Snow 5405 6 8 1989 U.S.A. Colorado Jackson Sierra Madre\Park Range: Park Range: near junction of Forest Roads 600 and 689, ca 0.5 mi N of Big Creek Lake, ca 22 air mi NW of Walden; along South Fork Big Creek. Forest near creek. 8900 ft. 40.9374° N, 106.6098° W T11N R82W S9 NE1/4 40.9374 -106.6098 N N N N 54 RM 225506 Kastning CO RM 570088 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-20225 Neil Snow 5434 6 8 1989 U.S.A. Colorado Jackson Sierra Madre\Park Range: Park Range: along Forest Road 600, ca 25 air mi NW of Walden. Roadside. 9000 ft. 40.9665° N, 106.5717° W T12N R82W S35; SE1\4 S35 40.9665 -106.5717 N N 55 RM 226262 Kastning WY RM 569631 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-20258 B. E. Nelson 16153 30 6 1988 U.S.A. Wyoming Carbon Sierra Madre/Park Range: Sierra Madre: along tributary of North Fork Big Creek SSE of Bear Mountain, ca 13.5 air mi SE of Encampment. Stony sagebrush slope in lodgepole pine forest. 8800 ft. 41.0519° N, 106.6342° W T13N R82W S32 41.0519 -106.6342 Flowering and Fruiting N N 56 RM 226721 Kastning WY RM 569628 RM0280738 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-20287 Nancy Kastning 1015 David Culp 6 8 1988 U.S.A. Wyoming Carbon Sierra Madre/Park Range: Sierra Madre: ca 9 mi NNW of Blackhall Mountain, along the Encampment River. Fir-pine. 8000 8200 ft. 41.1248° N, 106.7867° W; uncertainty 2 mi. T13N R84W S1; also T14N R84W S36 41.1248 -106.7867 2 mi. Flowering N RM0280738 N 57 RM 226821 Kastning WY RM 569629 RM0280748 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-20294 Nancy Kastning 1115 13 8 1988 U.S.A. Wyoming Carbon Sierra Madre/Park Range: Sierra Madre: Singer Peak. Dry open areas in aspen, lodgepole. 8600 ft. 41.2° N, 107.1844° W; uncertainty 2 mi. T14N R87W S9; also S10 41.2 -107.1844 2 mi. Flowering N RM0280748 N 58 RM 226965 Kastning WY RM 569625 RM0280732 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-20304 Nancy Kastning 255 Lee Huston and Sunny Kastning 28 6 1988 U.S.A. Wyoming Carbon Sierra Madre/Park Range: Sierra Madre: ca 8 air mi SSE of Miller Hill. Ridgesides with sagebrush and mountain mahogany grading to scrub aspen. 7650 ft. 41.4034° N, 107.2714° W; uncertainty 1 mi. T17N R88W S35 41.4034 -107.2714 1 mi. Flowering N RM0280732 N 59 RM 227216 Kastning WY RM 569626 RM0280746 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-20323 Nancy Kastning 502 Lee Huston and Joel Kastning 12 7 1988 U.S.A. Wyoming Carbon Sierra Madre/Park Range: Sierra Madre: ca 3 air mi ENE of Battle Mountain, E of Battle Creek. Sagebrush-grassland slopes east of Battle Creek. 7150 ft. 41.055° N, 107.2213° W; uncertainty 2 mi. T13N R87W S31; also S32 41.055 -107.2213 2 mi. Flowering N RM0280746 N 60 RM 227661 Kastning WY RM 569627 RM0280737 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-20356 Nancy Kastning 942 Lee Huston & Heather Kastning 28 7 1988 U.S.A. Wyoming Carbon Sierra Madre/Park Range: Sierra Madre: ca 9 mi SE of Red Mountain. Old clear cut in lodgepole pine forest, disturbed. 8800 9400 ft. 41.0817° N, 106.8249° W; uncertainty 2 mi. T13N R84W S22; also S23 41.0817 -106.8249 2 mi. Flowering N RM0280737 N 61 RM 257103 So Rocky Mts RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil × Cirsium canescens Nutt. RM-21986 Ronald L. Hartman 69038 Sarah Nunn 27 7 2000 U.S.A. Colorado Larimer North-central Colorado: Slough Creek 0.5-1 air mi NW of Hohnholz Lake #3. Badlands on side of ridge and into stream bottom, seasonal. 7950 8050 ft. 40.9374° N, 106.0194° W T11N R77W S10 NW1/4 40.9374 -106.0194 Flowering N N 62 RM 286935 Lyon 1994 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-23011 Margarette J. Lyon 7709 22 8 1994 U.S.A. Colorado San Miguel San Miguel and Lower Dolores River Drainages: at seep crossing Last Dollar Road, ca 0.3 mi SW of Whipple Mountain Trailhead. Hillside. 10400 ft. 38.0169° N, 107.9393° W T43N R10W S2 38.0169 -107.9393 Flowering and Fruiting N N 63 RM 2923 Taylor, Amy 1997 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-327 Amy J. Roderick 2354 14 7 1997 U.S.A. Wyoming Carbon Upper North Platte and Laramie River Drainages: hillside between Sage Creek and County Road 401, ca 22 air mi S of Rawlins; ca 19 air mi W of Saratoga. Snow catch on north facing slope; black sandy soil with patches of aspen trees and flowering shrubs. 7200 ft. 41.4613° N, 107.1949° W T17N R87W S9 41.4613 -107.1949 Flowering and Fruiting N N 64 RM 301001 Arnett 1998 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-24019 Melanie Arnett 3051 14 8 1998 U.S.A. Colorado Saguache Southern Gunnison Basin: San Juan Mountains: ca 4 air mi N of Sawtooth Mountain; ca 9.2 air mi W of Razor Creek Dome; ca 15 air mi S of Gunnison in Soldiers Park. Aspen grove with occasional fir and pine. 9700 9900 ft. 38.3316° N, 106.8815° W T47N R1E S17 38.3316 -106.8815 Flowering and Fruiting N N 65 RM 311091 Moore 1994 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-24764 Lynn Marie Moore 3800 7 8 1994 U.S.A. Colorado Dolores Upper Dolores River Drainage and Adjacent Areas: San Juan National Forest: Black Mesa, Forest Road 533 and Forest Road 611, ca 27 air mi NNE of Dolores. Montane meadow with scattered spruce-fir and drainage along road. West to southwest facing. 10600 10700 ft. 37.8139° N, 108.196° W T41N R12W S16 NE1/4 37.8139 -108.196 Flowering and Fruiting N N 66 RM 315629 Moore 1995 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-24888 Lynn Marie Moore 8264 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 Flowering N N 67 RM 332356 Nunn 2001 RM 765218 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-29617 Sarah Nunn 2873 16 7 2001 U.S.A. Colorado Larimer Roosevelt National Forest: Front Range: from Rawah Trailhead on Laramie River Road (County Road 103), west and south facing slopes of Middle Mountain, ca 40 air mi W of Fort Collins. Aspen groves on upper slopes and the sides of horse trails. 8800 9000 ft. 40.7632° N, 105.867° W; uncertainty 1 mi. T9N R76W S12 40.7632 -105.867 1 mi. Flowering N N 68 RM 332830 Nunn 2001 RM 765220 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-29633 Sarah Nunn 3302 24 7 2001 U.S.A. Colorado Larimer Roosevelt National Forest: Medicine Bow Mountains: Forest Road 200, 1 mi S of Boswell Creek Campground, ca 61 air mi NW of Fort Collins. Limber pine and Artemisia steppe, dry and heavily grazed. 8700 8800 ft. 40.9873° N, 106.1422° W; uncertainty 1 mi. T12N R78W S21 W1/2 40.9873 -106.1422 1 mi. Flowering N N 69 RM 340641 Porter RM 253760 RM0280849 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-32053 C. L. Porter 7381 2 8 1957 U.S.A. Wyoming Albany Medicine Bow Range: on North Fork Road. Roadside in lodgepole pine and spruce-fir zone. 9600 ft. 41.374° N, 106.183° W; NAD 83, uncertainty 1 mi., Digital Map T16N R78W S8 41.374 -106.183 NAD 83 1 mi. Digital Map Located ca 1 mile north of the North Fork Campground on Sand Lake Road (North Fork Road) at 9,600 ft; on east side of North Fork Little Laramie River; geo-locate.org. EL Flowers white. Flowering and Fruiting N RM0280849 N 70 RM 382367 RMHERB1 RM 719019 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-47147 Leila Stanfield 39 27 7 1991 U.S.A. Wyoming Carbon Medicine Bow Mountains: Rock Creek Roadless Area, ca 25 air mi NW of Laramie. Wetlands and marshes; common adjacent to Pinus contorta and Picea engelmannii-Abies lasiocarpa. 9750 ft. 41.4865° N, 106.1654° W T18N R78W S33 SW1/4 SW1/4 41.4865 -106.1654 N N N N 71 RM 382369 RMHERB1 RM 719020 RM0280838 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-47147 Leila Stanfield 40 27 7 1991 U.S.A. Wyoming Carbon Medicine Bow Mountains: Rock Creek Roadless Area, ca 25 air mi NW of Laramie. Wetlands and marshes; common adjacent to Pinus contorta and Picea engelmannii-Abies lasiocarpa. 9750 ft. 41.4865° N, 106.1654° W T18N R78W S33 SW1/4 SW1/4 41.4865 -106.1654 N N Flowering and Fruiting N RM0280838 N 72 RM 401856 WYNDD RM 703319 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-59989 Walter Fertig 19730 17 7 2001 U.S.A. Wyoming Albany Laramie Range: ridge on divide between Middle Branch Middle Lodgepole Creek and South Lodgepole Creek, ca 1.5 mi N of Wyo Hwy 210 (Happy Jack Road), 1.3 mi SW of Eagle Rock and 9 mi E of Laramie. Base of Sheman Granite knob on thin, clayey soil with surface of granite pea gravel in opening in Pinus flexilis woods with understory of scattered Purshia tridentata, Senecio fendleri, Leucopoa kingii, and Sedum lanceolatum. 8420 ft. 41.1818° N, 105.3932° W; uncertainty 0.25 mi. T14N R71W S18 41.1818 -105.3932 0 mi. Flowering N N 73 RM 411148 Routt 2000 RM 756312 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by Ronald L. Hartman. RM-65290 B. E. Nelson 50027 28 6 2000 U.S.A. Colorado Jackson North-central Colorado: Medicine Bow Mountains: along South Fork Canadian River ca 1/4 - 1/2 mi S of the confluence, ca 6 air mi N of Gould; ca 16 air mi SE of Walden. Aspen slopes. 8600 8700 ft. 40.6189° N, 106.0176° W; uncertainty 0.5 mi. T8N R77W S34 SW1/4 40.6189 -106.0176 1 mi. Flowering N N 74 RM 411493 Routt 2000 RM 756311 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by Ronald L. Hartman. RM-65304 B. E. Nelson 50371 6 7 2000 U.S.A. Colorado Jackson North-central Colorado: Never Summer Mountains: along the Illinois River at the junction of Forest Roads 750 and 765, ca 8.5 air mi S of Gould; ca 26 air mi SE of Walden. Meadows among aspen groves in the river bottom. 9100 ft. 40.4017° N, 106.0365° W T5N R77W S16 NE1/4 40.4017 -106.0365 Flowering N N 75 RM 411911 Routt 2000 RM 756310 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by Ronald L. Hartman. RM-65314 B. E. Nelson 51855 15 8 2000 U.S.A. Colorado Moffat North-central Colorado: Elkhead Mountains: Sand Point above the head of Fourmile Creek, ca 7.5 air mi E of Fortification; ca 22.5 air mi NNE of Craig. Open areas in spruce-fir-aspen forest. 9400 9974 ft. 40.8235° N, 107.4224° W; uncertainty 0.5 mi. T10N R89W S18 NE1/4 40.8235 -107.4224 1 mi. Flowering and Fruiting N N 76 RM 412869 Routt 2000 RM 756309 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65353 Ronald L. Hartman 67988 10 7 2000 U.S.A. Colorado Routt North-central Colorado: Elkhead Mountains: 4 wheel drive road near Meaden Mountain, 10-12 air mi NW of Clark. Lodgepole pine and aspen woodlands. 8700 9200 ft. 40.7804° N, 107.1007° W T10N R87W S36; also T10N R86W S31 40.7804 -107.1007 Flowering N N 77 RM 412975 Routt 2000 RM 756308 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65356 Ronald L. Hartman 68093 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 Flowering N N 78 RM 413366 Routt 2000 RM 756307 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65363 Ronald L. Hartman 68480 Sarah Nunn 20 7 2000 U.S.A. Colorado Jackson North-central Colorado: Medicine Bow Mountains: Colorado State Forest: ca 4 air mi NE of Gould. Logging road bordered by lodgepole pine, aspen, and alder. 9400 9500 ft. 40.5899° N, 105.9608° W; uncertainty 0.5 mi. T7N R76W S7 South1/4 40.5899 -105.9608 1 mi. Flowering N N 79 RM 413541 Routt 2000 RM 756306 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65369 Ronald L. Hartman 68652 Sarah Nunn 23 7 2000 U.S.A. Colorado Moffat North-central Colorado: Elkhead Mountains: trail to Black Mountain, ca 20 air mi NE of Craig. Spruce-fir forest. 9700 10000 ft. 40.766° N, 107.3467° W T9N R89W S2; also T10N R89W S34 40.766 -107.3467 Flowering N N 80 RM 413602 Routt 2000 RM 756305 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65370 Ronald L. Hartman 68713 Sarah Nunn 23 7 2000 U.S.A. Colorado Carbon Sierra Madre: Medicine Bow National Forest: Big Creek Park on road from Pearl Colorado, 2.5 road mi from Colorado. Spruce-fir forest and rocky slopes. 8430 ft. 41.0246° N, 106.5995° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! T12N R82W S10 NW1/4 41.0246 -106.5995 NAD 83 1 mi. Y Y Nat. Geog. TOPO! BEN Flowering N N 81 RM 413782 Routt 2000 RM 756304 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65374 Ronald L. Hartman 68891 Sarah Nunn 27 7 2000 U.S.A. Colorado Jackson North-central Colorado: Park Range: N-S trail just off Fryingpan Trail, 4-5 air mi S of Big Creek Lakes, ca 18 air mi NW of Walden. Forested edge. 8700 ft. 40.8502° N, 106.5741° W T10N R82W S11 NE1/4 40.8502 -106.5741 Flowering N N 82 RM 414163 Routt 2000 RM 756299 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65386 Ronald L. Hartman 69351 31 7 2000 U.S.A. Colorado Jackson North-central Colorado: Medicine Bow Mountains: Jack Creek and vicinity, 0.5 air mi SW of Calamity Pass, ca 6 air mi S of Gould. Spruce-fir forest. 9100 ft. 40.4306° N, 106.0176° W T5N R77W S3 NW1/4 40.4306 -106.0176 Flowering N N 83 RM 414204 Routt 2000 RM 756300 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65387 Ronald L. Hartman 69391 7 8 2000 U.S.A. Colorado Jackson North-central Colorado: Park Range: Rainbow Lake Trail, ca 17 air mi WSW of Walden. Trail through spruce forest. 8800 8900 ft. 40.6479° N, 106.5858° W T8N R82W S22 W1/2 40.6479 -106.5858 Flowering N N 84 RM 414481 Routt 2000 RM 756301 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65398 Ronald L. Hartman 69667 8 8 2000 U.S.A. Colorado Jackson North-central Colorado: Medicine Bow Mountains: Colorado State Forest: from peak "12184" to the south, ca 6.5 air mi NE of Gould. Alpine rocky slope. 11500 12170 ft. 40.5755° N, 105.9229° W T7N R76W S16 40.5755 -105.9229 Flowering N N 85 RM 414608 Routt 2000 RM 756302 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65403 Ronald L. Hartman 69794 11 8 2000 U.S.A. Colorado Jackson North-central Colorado: Never Summer Mountains: Colorado State Forest: Upper Michigan Ditch, ca 7-7.5 air mi E of Gould. Wet areas and along dirt road through spruce-fir. 10200 ft. 40.5175° N, 105.885° W T6N R76W S2; also NE1/4 S11 40.5175 -105.885 Flowering and Fruiting N N 86 RM 414696 Routt 2000 RM 756303 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65407 Ronald L. Hartman 69882 15 8 2000 U.S.A. Colorado Jackson North-central Colorado: Park Range: Buffalo Ridge Trail to NE of Davis Peak, ca 25-26 air mi NW of Walden. Spruce-fir and open drainages. 10187 10930 ft. 40.9373° N, 106.7075° W T11N R83W S10; also S14 40.9373 -106.7075 N N Flowering and Fruiting N N 87 RM 414832 Routt 2000 RM 756298 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65411 Ronald L. Hartman 70017 17 8 2000 U.S.A. Colorado Jackson North-central Colorado: Park Range: Newcomb Park Trail, 0.5-2.5 trail mi W of trail head (to granitic domes and Newcomb Creek angling NW), ca 20-21 air mi SW of Walden. Meadows and woodland, pond edges. 8800 8900 ft. 40.5899° N, 106.6426° W T7N R82W S7; also S8 40.5899 -106.6426 Flowering N N 88 RM 415405 Routt 2001 RM 761382 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65423 B. E. Nelson 54112 16 7 2001 U.S.A. Colorado Jackson North-central Colorado: Rabbit Ears Range: along Grassy Run or Trail 1135 on the east side of Arapaho Ridge, ca 7.5-8 air mi SW of Rand; ca 23.5 air mi S of Walden. Open mixed conifer forest. 10150 11400 ft. 40.3873° N, 106.2846° W; uncertainty 1 mi. T5N R79W S20 S1/2 40.3873 -106.2846 1 mi. Flowering N N 89 RM 415521 Routt 2001 RM 761381 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65424 B. E. Nelson 54226 17 7 2001 U.S.A. Colorado Jackson North-central Colorado: Rabbit Ears Range: ca 1 1/4 air mi S of Slack-Weiss Reservoir and ca 2 air mi WNW of the north end of Arapaho Ridge, ca 21.5 air mi S of Walden. Sagebrush meadows. 9120 9220 ft. 40.4163° N, 106.3604° W; uncertainty 0.5 mi. T5N R80W S10 NW1/4 40.4163 -106.3604 1 mi. Flowering and Fruiting N N 90 RM 415577 Routt 2001 RM 761380 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65425 B. E. Nelson 54282 17 7 2001 U.S.A. Colorado Jackson North-central Colorado: North Park: along County Road 5, ca 1/2 - 1 1/4 mi N of Chedsey Creek, ca 7.5-8.5 air mi S of Delaney Butte, ca 17 air mi SW of Walden. Rolling Artemisia - Eriogonum ridgetop. 8400 8500 ft. 40.5901° N, 106.5499° W; uncertainty 1 mi. T7N R82W S12 E1/4 40.5901 -106.5499 1 mi. Flowering N N 91 RM 415660 Routt 2001 RM 761379 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65427 B. E. Nelson 54548 24 7 2001 U.S.A. Colorado Routt North-central Colorado: Park Range: head of Harrison Creek, ca 2 air mi E of Walton Peak, ca 3 air mi SW of Rabbit Ears Pass; ca 13 air mi SE of Steamboat Springs. Open, stony slope with occassional lodgpole pine on volcanic substrate. 9760 9800 ft. 40.3628° N, 106.6628° W; uncertainty 1 mi. T5N R83W S25 S1/2 40.3628 -106.6628 1 mi. Flowering N N 92 RM 415805 Routt 2001 RM 761378 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65429 B. E. Nelson 54692 25 7 2001 U.S.A. Colorado Routt North-central Colorado: Park Range: Sarvis (Sarvice) Creek Wilderness: along Silver Creek, ca 1.5 air mi S of Gore Mountain, ca 13.5-15 air mi ENE of Yampa. Meadows between the willow carr and mixed conifer forest. 9320 9720 ft. 40.2011° N, 106.6674° W; uncertainty 2 mi. T3N R83W S26; also S25 40.2011 -106.6674 2 mi. Flowering N N 93 RM 415841 Routt 2001 RM 761377 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65430 B. E. Nelson 54728 25 7 2001 U.S.A. Colorado Grand North-central Colorado: Park Range: along Silver Creek Trail, ca 2-3 air mi SE of Gore Mountain, ca 15-16.5 air mi NW of Kremmling. Along logging road in old timber sale with mixed conifer regrowth. 9780 9860 ft. 40.2091° N, 106.622° W; uncertainty 1 mi. T3N R82W S19 S1/2 40.2091 -106.622 1 mi. Flowering and Fruiting N N 94 RM 415912 Routt 2001 RM 761376 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65431 B. E. Nelson 54802 30 7 2001 U.S.A. Colorado Routt North-central Colorado: Park Range: Hinman Lake and vicinity to Hinman Creek, ca 1.5 air mi N of the Elk River, ca 6.5 air mi NE of Clark; ca 20 air mi N of Steamboat Springs. Aspen woodlands. 8195 8200 ft. 40.7658° N, 106.8354° W; uncertainty 1 mi. T9N R84W S5 NE1/4; also W1/2 S4 40.7658 -106.8354 1 mi. Flowering N N 95 RM 416052 Routt 2001 RM 761375 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65434 B. E. Nelson 54939 31 7 2001 U.S.A. Colorado Routt North-central Colorado: Park Range: along Middle Fork Little Snake River just N of Crane Park, ca 6.5 air mi NNE of Columbine; ca 32 air mi N of Steamboat Springs. Open mixed conifer forest above the river. 8260 8280 ft. 40.9382° N, 106.9299° W; uncertainty 0.5 mi. T11N R85W S4 NE1/4 40.9382 -106.9299 1 mi. Flowering and Fruiting N N 96 RM 416152 Routt 2001 RM 761374 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65436 B. E. Nelson 55039 1 8 2001 U.S.A. Colorado Routt North-central Colorado: Park Range: along Trail 1204 along Middle Fork Little Snake River between Big Red Park and the Continental Divide, ca 29.5 air mi N of Steamboat Springs. Aspen forest. 8800 9120 ft. 40.9095° N, 106.8543° W; uncertainty 1 mi. T11N R84W S18 N1/2 40.9095 -106.8543 1 mi. Flowering and Fruiting N N 97 RM 416315 Routt 2001 RM 761321 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65439 B. E. Nelson 55202 6 8 2001 U.S.A. Colorado Routt North-central Colorado: Park Range: northern part of Green Ridge on Forest Road 285, ca 7-7.5 air mi SE of Oak Creek; ca 4.5 air mi NE of Yampa. Aspen forest. 9160 9440 ft. 40.2011° N, 106.8588° W; uncertainty 1 mi. T3N R84W S30 40.2011 -106.8588 1 mi. Flowering and Fruiting N N 98 RM 416378 Routt 2001 RM 761320 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65440 B. E. Nelson 55265 7 8 2001 U.S.A. Colorado Routt North-central Colorado: Park Range: on the east side of Green Ridge just N of Muddy Slide (The Slide), ca 6-6.5 air mi E of Yampa; ca 9.5-10 air mi SE of Phippsburg. Open slopes and draw on Mancos shale. 9440 10280 ft. 40.157° N, 106.7822° W; uncertainty 2 mi. T2N R84W S11 SW1/4; also SE1/4 S10 and NE1/4 S15 40.157 -106.7822 2 mi. Flowering N N 99 RM 416552 Routt 2001 RM 761319 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-65443 B. E. Nelson 55437 8 8 2001 U.S.A. Colorado Routt North-central Colorado: Park Range: along Horse Creek to Rock Creek and the ridge to the north, ca 1.5-2 air mi E of Long Park, ca 15.5-16 air mi SE of Yampa. Meadow and open grassy lodgepole pine forest on ridgetop. 8550 8880 ft. 40.0391° N, 106.6483° W; uncertainty 0.5 mi. T1N R83W S24 NW1/4 40.0391 -106.6483 1 mi. Flowering and Fruiting N N 100 RM 416619 Routt 2001 RM 761318 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65444 B. E. Nelson 55504 8 8 2001 U.S.A. Colorado Grand North-central Colorado: Park Range: along old logging road between Jolley and Horse creeks, ca 4 air mi WSW of Gore Pass, ca 12.5 air mi W of Kremmling. Open aspen forest. 8800 9050 ft. 40.0538° N, 106.6291° W; uncertainty 0.5 mi. T1N R82W S18 SW1/4 40.0538 -106.6291 1 mi. N N Flowering N N 101 RM 416737 Routt 2001 RM 761317 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65445 B. E. Nelson 55620 13 8 2001 U.S.A. Colorado Routt North-central Colorado: Elkhead Mountains: along South Fork Slater Creek, ca 1 1/4-1 3/4 air mi N of Lost Park, ca 22-22.5 air mi N of Hayden. Aspen forest. 8240 8700 ft. 40.8089° N, 107.2894° W; uncertainty 1 mi. T10N R88W S20 40.8089 -107.2894 1 mi. Flowering and Fruiting N N 102 RM 416776 Routt 2001 RM 761316 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65446 B. E. Nelson 55659 13 8 2001 U.S.A. Colorado Moffat North-central Colorado: Elkhead Mountains: at the end of Forest Road 133, ca 3 air mi NE of Black Mountain, ca 2.5 air mi SE of Buck Point, ca 23.5 air mi NNE of Craig. Small clearing in aspen-spruce-fir forest. 9240 9680 ft. 40.8089° N, 107.3272° W; uncertainty 1 mi. T10N R89W S24 40.8089 -107.3272 1 mi. Flowering and Fruiting N N 103 RM 416890 Routt 2001 RM 761315 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65447 B. E. Nelson 56001 20 8 2001 U.S.A. Colorado Jackson North-central Colorado: Rabbit Ears Range: along the Continental Divide ca 0.5-1 air mi NW of Chimney Rock, ca 8 air mi ESE of Muddy Pass; ca 27.5 air mi SSW of Walden. Old logged area in mixed conifer-aspen forest. 9480 9800 ft. 40.3583° N, 106.4362° W; uncertainty 1 mi. T5N R81W S36 40.3583 -106.4362 1 mi. Flowering and Fruiting N N 104 RM 417162 Routt 2001 RM 761314 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65453 B. E. Nelson 56271 27 8 2001 U.S.A. Colorado Jackson North-central Colorado: Rabbit Ears Range: along East Fork Arapaho Creek, ca 1.5-2 air mi W of Arapaho Ridge, ca 9 air mi SW of Rand; ca 24 air mi S of Walden. Old clearcut with open lodgepole pine regeneration. 9700 9800 ft. 40.3873° N, 106.3225° W; uncertainty 0.5 mi. T5N R80W S24 SW1/4 40.3873 -106.3225 1 mi. N N Flowering and Fruiting N N 105 RM 417413 Routt 2001 RM 761313 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by B. E. Nelson. RM-65461 Ronald L. Hartman 70531 23 5 2001 U.S.A. Colorado Moffat North-central Colorado: Wymore Gulch, ca 7 air mi NE of Craig. Sagebrush slopes. 6900 ft. 40.5934° N, 107.4408° W; uncertainty 0.5 mi. T7N R90W S1 SW1/4 40.5934 -107.4408 1 mi. Flowering N N 106 RM 417588 Routt 2001 RM 761312 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-65464 Ronald L. Hartman 71847 10 7 2001 U.S.A. Colorado Jackson North-central Colorado: Never Summer Mountains: Never Summer Wilderness: between end of 4-wheel drive trail and start of wilderness or 1-2 air mi ESE of start of jeep trail. Coniferous forest. 9750 ft. 40° 26' 28.7" N, ; uncertainty 2 mi. T5N R76W S6 N1/4 40.441306 -105.9706 2 mi. Flowering and Fruiting N N 107 RM 417741 Routt 2001 RM 761311 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by B. E. Nelson. RM-65469 Ronald L. Hartman 72000 13 7 2001 U.S.A. Colorado Jackson North-central Colorado: Owl Mountain near junction of Forest roads 771 and 792. Lodgepole pine. 8900 ft. 40.5322° N, 106.1142° W; uncertainty 0.5 mi. T7N R78W S35 NW1/4 40.5322 -106.1142 1 mi. Flowering and Fruiting N N 108 RM 418081 Routt 2001 RM 761310 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by B. E. Nelson. RM-65476 Ronald L. Hartman 73393 3 8 2001 U.S.A. Colorado Jackson North-central Colorado: Medicine Bow Mountains: Forest Road 204, 0.7 road mi SE of Forest Service boundary, ca 1 air mi from Kings Canyon. 8511 ft. 40.9229° N, 106.2098° W; uncertainty 1 mi. T11N R79W S13 40.9229 -106.2098 1 mi. Flowering and Fruiting N N 109 RM 418175 Routt 2001 RM 761309 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by B. E. Nelson. RM-65478 Ronald L. Hartman 73487 4 8 2001 U.S.A. Colorado Jackson North-central Colorado: Medicine Bow Mountains: Colorado State Forest State Park: along County Road 8A. Aspen grove and stream bottom. 8600 ft. 40.8503° N, 106.1527° W; uncertainty 0.5 mi. T10N R78W S9 SW1/4 40.8503 -106.1527 1 mi. Flowering and Fruiting N N 110 RM 46477 Packer 1997 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-12311 B. A. Packer 2889 J. Brondum and T. McGowan 9 8 1997 U.S.A. Wyoming Albany Laramie Range: along Bear Creek, ca 33 air mi SW of Douglas. Rock outcrops. 7460 ft. 42.2096° N, 105.6441° W T26N R73W S19 E1/2 42.2096 -105.6441 Flowering and Fruiting N N 111 RM 48271 Packer 1997 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by B. A. Packer. RM-12357 B. E. Nelson 41719 16 7 1997 U.S.A. Wyoming Natrona [location and coordinates withheld] Steep gravelly slope with rock outcrops, "pavement", grassy patches, and scattered limber pine. 7440 7600 ft. Flowering and Fruiting N N 112 RM 482893 So Rocky Mts RM 169252 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-90139 Edmund R. Cross s.n. 31 8 1913 U.S.A. Colorado Boulder Left-hand Creek near Puzzler, near Ward. 9000 ft. Fruiting N N 113 RM 487756 So Rocky Mts RM 169293 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2008.
2. Cirsium scariosum Nutt.
Annotated by Jennifer R. Ackerfield in 2005. RM-117099 George E. Osterhout 3389 17 8 1906 U.S.A. Colorado Eagle Minturn. Fruiting N N 114 RM 488821 So Rocky Mts RM 312629 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-72398 George E. Osterhout 5159 20 7 1914 U.S.A. Colorado Larimer Estes Park. 7500 ft. 40.3771 -105.52 NAD 83 2 mi. Y Nat. Geog. TOPO! LB Fruiting N N 115 RM 490019 So Rocky Mts RM 169253 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-72387 George E. Osterhout 7622 8 1894 U.S.A. Colorado Larimer Mountains. Flowering and Fruiting N N 116 RM 495499 So Rocky Mts RM 724599 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-94418 Nan Lederer 02-05 10 7 2002 U.S.A. Colorado Grand Arapaho National Forest, Continental Divide Trail W of Willow Creek Pass. Dry lodgepole forest, disturbed roadside; with Vaccinium Lupinus caudatus, Anaphalis margaritacea and Arnica. 9800 ft. 40.3396° N, 106.0926° W; uncertainty 1 mi. T4N R78W S2 40.3396 -106.0926 1 mi. Flowering and Fruiting N N 117 RM 498804 So Rocky Mts RM 718092 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-75059 Robert D. Dorn 9528 16 8 2002 U.S.A. Colorado Grand Gore Pass: W side. Stream bank, with Geranium richardsonii and Senecio triangularis. 9300 ft. 40° 4.1' N, 106° 34.3' W 40.068333 -106.571667 Fruiting N N 118 RM 52067 Packer 1998 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-12437 B. A. Packer 4322 T. McGowan 15 7 1998 U.S.A. Wyoming Converse Laramie Range: along Rabbit Creek, ca 20 air mi SW of Douglas. Along creek and adjacent granite outcroppings. 7000 7300 ft. 42.54° N, 105.7567° W T30N R74W S30 SW1/4; also NW1/4 of NW1/4 S31 42.54 -105.7567 Flowering and Fruiting N N 119 RM 52390 Packer 1998 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-12442 B. A. Packer 4643 T. McGowan & J. Brondum 21 7 1998 U.S.A. Wyoming Albany Laramie Range: along Soldier Creek, ca 37 air mi S of Douglas. In granite outcroppings. 6200 6600 ft. 42.3834° N, 105.3259° W T28N R71W S23 SE1/4 42.3834 -105.3259 Flowering and Fruiting N N 120 RM 527021 Vanderhorst 1990 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102316 James P. Vanderhorst 1104 15 7 1990 U.S.A. Colorado Rio Blanco Flat Tops/White River Plateau: Flat Tops Wilderness: Mirror Lake Trail, ca 30 air mi E of Meeker; ca 6 air mi NW of Trappers Lake. Northeast-facing forested slopes, with Engelmann spruce, subalpine fir, lodgepole pine, and aspen. 8600 9400 ft. 40.0552° N, 107.3242° W T1N R89W S13 40.0552 -107.3242 N N 121 RM 527233 Vanderhorst 1990 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102327 James P. Vanderhorst 1292 23 7 1990 U.S.A. Colorado Garfield Flat Tops/White River Plateau: Broken Rib Spring, ca 9 air mi NE of Glenwood Springs. Wet area around spring, with Picea, Abies, and Salix. 10200 ft. 39.6732° N, 107.2305° W T4S R88W S26 39.6732 -107.2305 N N 122 RM 527344 Vanderhorst 1990 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102338 James P. Vanderhorst 1392 28 7 1990 U.S.A. Colorado Garfield Flat Tops/White River Plateau: Flat Tops Wilderness: vicinity of McMillan Lake, ca 30 air mi NNE of Glenwood Springs. Area of old forest fire with northeast exposure. 9200 ft. 39.9413° N, 107.0787° W T1S R86W S30; also S31 39.9413 -107.0787 N N 123 RM 527882 Vanderhorst 1990 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102376 James P. Vanderhorst 1870 17 8 1990 U.S.A. Colorado Rio Blanco Flat Tops/White River Plateau: Flat Tops Wilderness: Marvine Lakes, ca 29 air mi ESE of Meeker. Spruce-fir woods. 9300 ft. 39.9351° N, 107.3622° W T1S R89W S27; also S28 39.9351 -107.3622 N N 124 RM 529580 Vanderhorst 1991 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102494 James P. Vanderhorst 3378 Carlos Palaci 15 7 1991 U.S.A. Colorado Routt [location and coordinates withheld] Cow pasture about 1/4 mi from old homestead, meadows, and aspen woods. 8600 ft. N N 125 RM 529646 Vanderhorst 1991 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102499 James P. Vanderhorst 3438 21 7 1991 U.S.A. Colorado Eagle Flat Tops/White River Plateau: Deer Creek, ca 6 air mi W of Burns. Old burned forest with reproducing aspen. 9000 ft. 39.8825° N, 107.0016° W T2S R86W S14 39.8825 -107.0016 N N 126 RM 529698 Vanderhorst 1991 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102500 James P. Vanderhorst 3484 23 7 1991 U.S.A. Colorado Garfield Flat Tops/White River Plateau: Lower Short Creek, ca 14 air mi NE of Glenwood Springs. Meadows on hills above creek, with Festuca thurberi, snowberry, and sagebrush. 10000 ft. 39.746° N, 107.2117° W T3S R88W S36 39.746 -107.2117 N N 127 RM 529847 Vanderhorst 1991 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102510 James P. Vanderhorst 3618a 25 7 1991 U.S.A. Colorado Garfield Flat Tops/White River Plateau: Butler Creek, ca 18 air mi NW of Glenwood Springs. Meadows and aspen woods with snowberry. 8700 ft. 39.7605° N, 107.7573° W T3S R92W S30 39.7605 -107.7573 N N 128 RM 529933 Vanderhorst 1991 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102515 James P. Vanderhorst 3692 3 8 1991 U.S.A. Colorado Rio Blanco Flat Tops/White River Plateau: Dunckley Flat Tops N of Dunckley Pass, ca 11 air mi WSW of Oak Creek. Meadow dominated by Veratrum. 9500 ft. 40.2011° N, 107.1458° W T3N R87W S27 40.2011 -107.1458 N N 129 RM 529955 Vanderhorst 1991 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102518 James P. Vanderhorst 3711 4 8 1991 U.S.A. Colorado Rio Blanco Flat Tops/White River Plateau: Cyclone Creek, ca 19 air mi WSW of Oak Creek. Meadow above creek, with Veratrum, Dugaldia, and Rudbeckias. 8600 ft. 40.1864° N, 107.2989° W T3N R88W S32 40.1864 -107.2989 N N 130 RM 530058 Vanderhorst 1991 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102524 James P. Vanderhorst 3802 6 8 1991 U.S.A. Colorado Garfield Flat Tops/White River Plateau: South Fork White River, "Budges Resort", ca 20 air mi N of Glenwood Springs. Meadows with grasses and forbs. 9000 ft. 39.8333° N, 107.3434° W T2S R89W S35; also S26 39.8333 -107.3434 N N 131 RM 530124 Vanderhorst 1991 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102529 James P. Vanderhorst 3860 6 8 1991 U.S.A. Colorado Garfield Flat Tops/White River Plateau: limestone ridge above Bison Lake, ca 13 air mi N of Glenwood Springs. Exposed limestone with pockets of poorly drained soil, northern exposure, with scattered spruce. 11000 ft. 39.7605° N, 107.3622° W T3S R89W S27 39.7605 -107.3622 N N N N 132 RM 530388 Vanderhorst 1991 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102547 James P. Vanderhorst 4094 12 8 1991 U.S.A. Colorado Rio Blanco Flat Tops/White River Plateau: Sleepy Cat Peak, ca 23 air mi ENE of Meeker. South-facing meadows on Mancos shale substrate. 10500 ft. 40.1279° N, 107.531° W T2N R90W S19 40.1279 -107.531 N N 133 RM 530419 Vanderhorst 1991 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102549 James P. Vanderhorst 4121 12 8 1991 U.S.A. Colorado Rio Blanco Flat Tops/White River Plateau: Sleepy Cat Trail, ca 16 air mi ENE of Meeker. Aspen woodland. 9100 ft. 40.1134° N, 107.6438° W T2N R91W S30 40.1134 -107.6438 N N 134 RM 53245 Packer 1998 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-12458 B. A. Packer 5497 T. McGowan 18 8 1998 U.S.A. Wyoming Albany Laramie Range: Medicine Bow National Forest: ca 5 air mi SE of Laramie. In forested grassland on southwest facing slope. 8200 8500 ft. 41.254° N, 105.4497° W T15N R72W S22 W1/2 41.254 -105.4497 Flowering and Fruiting N N 135 RM 533409 Ward 1996 RM 793387 RM0280847 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102689 B. E. Nelson 38493 11 7 1996 U.S.A. Wyoming Carbon South-central Wyoming: Muddy Mountain, ca 8 air mi NE of Baggs; ca 47 air mi SSW of Rawlins. Meadow areas above the mountain shrub-aspen thickets. 7700 7900 ft. T13N R90W S8 NE1/4 Flowering N RM0280847 N 136 RM 533489 Ward 1996 RM 793388 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by Beth Ward. RM-102694 B. E. Nelson 38572 14 7 1996 U.S.A. Wyoming Carbon South-central Wyoming: Sierra Madre: along the Continental Divide off Sage Creek or County Road 401, ca 26 air mi S of Rawlins. Mountain shrub and aspen thickets on lee slopes. 8070 8240 ft. T17N R87W S31 SW1/4 Flowering N N 137 RM 533530 Ward 1996 RM 793539 RM0280853 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102694 B. E. Nelson 38613 14 7 1996 U.S.A. Wyoming Carbon South-central Wyoming: Sierra Madre: along the Continental Divide off Sage Creek or County Road 401, ca 26 air mi S of Rawlins. Sandy cut bank in sagebrush grassland. 8070 8240 ft. T17N R87W S31 SW1/4 Flowering N RM0280853 N 138 RM 533698 Ward 1996 RM 793538 RM0280854 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102696 B. E. Nelson 38779 Beth Ward 15 7 1996 U.S.A. Wyoming Carbon South-central Wyoming: Sierra Madre: Hell Canyon off Green Ridge, ca 1 air mi E of Savery Creek, ca 41 air mi S of Rawlins; ca 20 air mi NE of Baggs; ca 3.5 air mi SW of Tullis. Aspen woods. 7500 7700 ft. T14N R88W S18 E1/2 Flowering N RM0280854 N 139 RM 533719 Ward 1996 RM 793540 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by Beth Ward. RM-102696 B. E. Nelson 38800 Beth Ward 15 7 1996 U.S.A. Wyoming Carbon South-central Wyoming: Sierra Madre: Hell Canyon off Green Ridge, ca 1 air mi E of Savery Creek, ca 41 air mi S of Rawlins; ca 20 air mi NE of Baggs; ca 3.5 air mi SW of Tullis. Mountain shrub community adjacent to aspen woods. 7500 7700 ft. T14N R88W S18 E1/2 Flowering and Fruiting N N 140 RM 533830 Ward 1996 RM 793541 RM0280855 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-8 B. E. Nelson 38910 15 7 1996 U.S.A. Wyoming Carbon South-central Wyoming: Sierra Madre: along a small drainage on the south side of Browns Hill or County Road 602, ca 3/4 mi E of Tullis, ca 37.5 air mi S of Rawlins; ca 23 air mi NE of Baggs. Sagebrush-bitterbrush-grassland slopes and ridgetop. 7720 7800 ft. T15N R88W S34 W1/2 Flowering N RM0280855 N 141 RM 533964 Ward 1996 RM 793542 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by Beth Ward. RM-102706 B. E. Nelson 39044 18 7 1996 U.S.A. Wyoming Sweetwater [location and coordinates withheld] Meadows below the springs. 7000 7020 ft. Flowering N N 142 RM 533994 Ward 1996 RM 793269 RM0280848 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102708 B. E. Nelson 39074 21 7 1996 U.S.A. Wyoming Carbon South-central Wyoming: Sierra Madre: along the Continental Divide on Miller Hill off Miller Hill or County Road 505, ca 18.5 air mi S of Rawlins; ca 6.5 air mi ESE of Bridger Pass. Aspen woods. 8180 8320 ft. T18N R88W S16 S1/2 Flowering N RM0280848 N 143 RM 534101 Ward 1996 RM 793268 RM0280846 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102711 B. E. Nelson 39179 21 7 1996 U.S.A. Wyoming Carbon South-central Wyoming: Sierra Madre: near the head of Littlefield Creek drainage, ca 26 air mi S of Rawlins; ca 29 air mi NE of Baggs. Aspen-willow woods or aspen woods. 7920 8000 ft. T17N R89W S25 South1/4; also N1/4 S36 Flowering N RM0280846 N 144 RM 534173 Ward 1996 RM 793267 RM0280845 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102715 B. E. Nelson 39250 21 7 1996 U.S.A. Wyoming Carbon South-central Wyoming: Sierra Madre: on the divide between Wild Cow and Little Savery drainages, ca 2.5-3 air mi N of Ketchum Buttes, ca 32 air mi SSW of Rawlins; ca 22.5 air mi NE of Baggs. Aspen woods. 7520 7720 ft. T16N R89W S28 W1/2 Flowering and Fruiting N RM0280845 N 145 RM 534491 Ward 1996 RM 793543 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by Beth Ward. RM-102656 B. E. Nelson 39749 13 8 1996 U.S.A. Wyoming Carbon South-central Wyoming: Sierra Madre: along Dirtyman Fork and area to the south, 0.8-1.5 air mi SW of Dexter Peak, ca 5-5.5 air mi E of Tullis; ca 36 air mi S of Rawlins; ca 26.5 air mi NE of Baggs. Open aspen forest. 7920 8570 ft. T15N R87W S29 E1/2 Flowering N N 146 RM 536360 Ward 1996 RM 793263 RM0280842 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102860 Beth Ward 2324a 11 7 1996 U.S.A. Wyoming Sweetwater South-central Wyoming: Rock Springs Uplift: northern slopes and top at north end of Essex Mountain, ca 32 air mi NNE of Rock Springs. Moist area. 7320 8020 ft. T24N R103W S8 SW1/4; also SE1/4 S7 and NE1/4 S18 Flowering N RM0280842 N 147 RM 536760 Ward 1996 RM 793265 RM0280840 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102875 Beth Ward 2678 14 7 1996 U.S.A. Wyoming Carbon South-central Wyoming: Sierra Madre: top and south slopes of Battle Mountain, ca 8 air mi E of confluence of Savery Creek and Little Snake River; ca 18.5 air mi E of Baggs. Top of mountain. 6900 9100 ft. T12N R88W S10 W1/2; also SE1/4 S9 and NE1/4 S16 Flowering N RM0280840 N 148 RM 537272 Ward 1996 RM 793266 RM0280839 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102904 Beth Ward 3126 21 7 1996 U.S.A. Wyoming Carbon South-central Wyoming: on east side of Atlantic Rim, ca 2 air mi SW of Bridger Pass; ca 20.5 air mi SSW of Rawlins. Hillside above spring. 7490 7660 ft. T18N R89W S18 SW1/4; also NW1/4 S19 Flowering N RM0280839 N 149 RM 537361 Ward 1996 RM 793437 RM0280856 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102908 Beth Ward 3202 24 7 1996 U.S.A. Wyoming Carbon South-central Wyoming: top and north slopes of Cow Creek Butte, ca 1 mi NW of Deep Gulch; ca 32 air mi SSW of Rawlins. Open hillside. 7770 7929 ft. T16N R90W S15 N1/2 Flowering N RM0280856 N 150 RM 537404 Ward 1996 RM 793262 RM0280843 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102909 Beth Ward 3239 24 7 1996 U.S.A. Wyoming Carbon South-central Wyoming: north facing slopes and bottom of Garden Gulch, ca 1.5 air mi SW of Cow Creek Butte; ca 33 air mi SSW of Rawlins. Moist draw. 7230 7520 ft. T16N R90W S21 N1/4; also S1/4 S16 Flowering N RM0280843 N 151 RM 538081 Ward 1996 RM 793261 RM0280844 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102957 Beth Ward 3838 18 8 1996 U.S.A. Wyoming Carbon South-central Wyoming: Sierra Madre: below Rendle Rim, ca 1 air mi SSW of Rendle Butte; ca 30.5 air mi SSW of Rawlins. Moist draw. 7445 7880 ft. T16N R89W S21 E1/4; also W1/4 S22 N N Flowering N RM0280844 N 152 RM 538173 Ward 1996 RM 793260 RM0280850 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102960 Beth Ward 3919 18 8 1996 U.S.A. Wyoming Carbon South-central Wyoming: Sierra Madre: near headwaters of Wild Cow Creek, ca 3 air mi SW of Rendle Butte; ca 33 air mi SSW of Rawlins. Shaded hillside. 7220 7560 ft. T16N R89W S29 SW1/4; also NE1/4 S31, NW1/4 S32; also SE1/4 S30 Flowering N RM0280850 N 153 RM 538209 Ward 1996 RM 793259 RM0280851 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102962 Beth Ward 3951 20 8 1996 U.S.A. Wyoming Carbon South-central Wyoming: Sierra Madre: northwest slopes of Battle Mountain, ca 3 air mi N of Colorado; ca 18 air mi E of Baggs. Shaded aspen grove. 7200 8280 ft. T12N R88W S4 NE1/4; also T13N R88W S1/4 S33 Flowering N RM0280851 N 154 RM 538322 Ward 1996 RM 793258 RM0280852 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102964 Beth Ward 4051 20 8 1996 U.S.A. Wyoming Carbon South-central Wyoming: Sierra Madre: top and northeast slopes of Battle Mountain, ca 19 air mi E of Baggs. Shaded draw. 7520 8850 ft. T12N R88W S3; also NW1/4 S2 and T13N R88W S35 N N Flowering N RM0280852 N 155 RM 538883 Ward 1996 RM 793264 RM0280841 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-102989 Beth Ward 888 17 6 1996 U.S.A. Wyoming Carbon South-central Wyoming: Deep Creek Rim and draws on west-facing slope, ca 3 air mi E of Wyo Hwy 789; ca 8.5 air mi NNE of Baggs. Rocky draw, sandy soil. 6680 7210 ft. T14N R91W S26 Flowering N RM0280841 N 156 RM 542929 Williams RM 960609 RM0215961 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-103404 Roger L. Williams 836 29 7 1989 U.S.A. Wyoming Carbon Sierra Madre: Miller Creek, ca 10 air mi S of Encampment. Moist open woods near creek. 8600 ft. T13N R84W S27 41.065 -106.8243 NAD 83 0 mi. N N Nat. Geog. TOPO! Occasional; flowers white. Flowering and Fruiting N RM0215961 N 157 RM 574563 Red Mountain 1992 RM 962089 RM0217932 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-104832 B. E. Nelson 22548 24 6 1992 U.S.A. Wyoming Albany Medicine Bow Mountains: Red Mountain and vicinity: ridge ca 1 air mi E of Red Mountain summit, ca 27 air mi SW of Laramie. Lee slope in mountain shrub community. 8000 8400 ft. 41.0086° N, 105.9086° W; uncertainty 1 mi. T12N R76W S15 41.0086 -105.9086 1 mi. Flowering N RM0217932 N 158 RM 579965 Nelson 1973 RM 296256 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-105310 B. E. Nelson 768 Linda Nelson 23 7 1973 U.S.A. Wyoming Carbon Medicine Bow Mountains: 4.5 mi from the river on the North Platte River Access Road. Frequent in gravelly soil at the edge of the road. 8900 ft. 41.1661° N, 106.3872° W T14N R80W S21 41.1661 -106.3872 Flowering and Fruiting N N 159 RM 584471 Haines RMRS RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-105732 June Haines 10307 28 8 1991 U.S.A. Wyoming Albany Medicine Bow Mountains: ENE of Little Brooklyn Lake, behind Open Air Chapel, above road. Moist southeast-facing slope. 10380 ft. 41.3722° N, 106.2367° W T16N R79W S11 SW1/4 41.3722 -106.2367 N N 160 RM 590702 Haines RMRS RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-106177 June Haines 9571 Tom Fletchall 12 8 1991 U.S.A. Wyoming Albany Medicine Bow Mountains: E of Brooklyn Lake, near plot 214. Edge of spruce-fir forest, near moist forb meadow. 10400 ft. 41.3722° N, 106.2367° W T16N R79W S11 SW1/4 near center of eastern boundary of S11 41.3722 -106.2367 1 mi. N N 161 RM 590815 Haines RMRS RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-106191 June Haines 9678 14 8 1991 U.S.A. Wyoming Albany Medicine Bow Mountains: SE of Brooklyn Lake, drainage above road just N of southern boundary of extended GLEES study area. Forb meadow in moist drainage. 10290 ft. 41.3722° N, 106.2367° W T16N R79W S11; South1/2 near center 41.3722 -106.2367 N N N N 162 RM 614312 Hartman Misc RM 357745 RM0280747 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-107199 Ronald L. Hartman 19841 2 9 1984 U.S.A. Wyoming Carbon Medicine Bow Mountains: Kennaday Peak, ca 15 air mi E of Saratoga. Grassy and rocky slopes and ridges above treeline. 10400 10800 ft. T17N R81W S8; also S16 and S17 41.4523 -106.518 NAD 83 0 mi. N N Nat. Geog. TOPO! Flowering N RM0280747 N 163 RM 680859 So Rocky Mts RM 161098 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 4. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-72356 George E. Osterhout 4290 30 8 1910 U.S.A. Colorado Larimer Chambers Lake. Fruiting N N 164 RM 680860 So Rocky Mts RM 159250 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-81443 George E. Osterhout 4805 23 8 1912 U.S.A. Colorado Larimer Thompson Canyon. Fertile N N 165 RM 680862 So Rocky Mts RM 157698 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117072 George E. Osterhout 4781 15 8 1912 U.S.A. Colorado Larimer Little South: Rockwell's Place. Fertile N N 166 RM 680864 So Rocky Mts RM 159242 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 4. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117073 George E. Osterhout 6335 6 8 1924 U.S.A. Colorado Larimer Chambers Lake. Fertile N N 167 RM 680865 So Rocky Mts RM 159073 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117075 George E. Osterhout 5548 25 8 1916 U.S.A. Colorado Larimer Estes Park. Fertile N N 168 RM 680866 So Rocky Mts RM 157699 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117076 George E. Osterhout 5151 20 7 1914 U.S.A. Colorado Larimer E of Estes Park along the Thompson. Fertile N N 169 RM 680867 So Rocky Mts RM 80591 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117077 George E. Osterhout 4999 31 7 1913 U.S.A. Colorado Jackson North Park. 8000 ft. Flowering N N 170 RM 680869 So Rocky Mts RM 159071 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117079 George E. Osterhout 4804 23 8 1912 U.S.A. Colorado Larimer Thompson Canyon above the Forks. Fertile N N 171 RM 680870 So Rocky Mts RM 159244 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117080 George E. Osterhout 5598 10 9 1916 U.S.A. Colorado Larimer Glacier Park on the South Fork Thompson. Fertile N N 172 RM 680872 So Rocky Mts RM 170401 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117081 George E. Osterhout 3087 16 8 1905 U.S.A. Colorado Larimer Thompson Canyon above the Forks. Possible hybrid with C. undulatum; narrow phyllary glands present. Fertile N N 173 RM 680873 So Rocky Mts RM 159246 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-72309 George E. Osterhout 3362x 16 8 1906 U.S.A. Colorado Eagle Red Cliff. Fertile N N 174 RM 680874 So Rocky Mts RM 169294 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-81046 George E. Osterhout 3389a 17 8 1906 U.S.A. Colorado Eagle Red Cliff. Fertile N N 175 RM 680875 So Rocky Mts RM 159070 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117076 George E. Osterhout 5158 20 7 1914 U.S.A. Colorado Larimer E of Estes Park along the Thompson. Fertile N N 176 RM 680879 So Rocky Mts RM 157701 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-72445 George E. Osterhout 6641 16 8 1926 U.S.A. Colorado Larimer Estes Park. Flowering and Fruiting N N 177 RM 680880 So Rocky Mts RM 157706 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117076 George E. Osterhout 5209 20 7 1914 U.S.A. Colorado Larimer E of Estes Park along the Thompson. Fertile N N 178 RM 680882 So Rocky Mts RM 157707 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117086 George E. Osterhout 3092 16 8 1905 U.S.A. Colorado Larimer Estes Park: Park Hill. Flowering and Fruiting N N 179 RM 680883 So Rocky Mts RM 157705 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 4. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117087 George E. Osterhout 3092 16 8 1905 U.S.A. Colorado Larimer Estes Park. Flowering and Fruiting N N 180 RM 680885 So Rocky Mts RM 312748 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117072 George E. Osterhout 4783 15 8 1912 U.S.A. Colorado Larimer Little South: Rockwell's Place. Flowering and Fruiting N N 181 RM 680887 So Rocky Mts RM 170395 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117076 George E. Osterhout 5156 20 7 1914 U.S.A. Colorado Larimer E of Estes Park along the Thompson. Flowering and Fruiting N N 182 RM 680888 So Rocky Mts RM 170386 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 4. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-72316 George E. Osterhout 3566 7 8 1907 U.S.A. Colorado Grand Sulphur Springs. Hot Sulpher Springs. Flowering and Fruiting N N 183 RM 680889 So Rocky Mts RM 80592 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-72390 George E. Osterhout 5006 2 8 1913 U.S.A. Colorado Larimer Cameron Pass. 10000 ft. Flowering and Fruiting N N 184 RM 680890 So Rocky Mts RM 161097 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 4. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117085 George E. Osterhout 3267 20 7 1906 U.S.A. Colorado Gilpin Toland. Flowering and Fruiting N N 185 RM 680891 So Rocky Mts RM 161110 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117088 George E. Osterhout 5006 2 8 1913 U.S.A. Colorado Larimer Cameron Pass. Flowering and Fruiting N N 186 RM 680892 So Rocky Mts RM 170402 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-72317 George E. Osterhout 3589a 8 8 1907 U.S.A. Colorado Grand Sulphur Springs. Flowering and Fruiting N N 187 RM 680893 So Rocky Mts RM 159072 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117089 George E. Osterhout 3313 22 7 1906 U.S.A. Colorado Grand Sulphur Springs. Flowering and Fruiting N N 188 RM 680894 So Rocky Mts RM 161004 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-72388 George E. Osterhout 4953 11 7 1913 U.S.A. Colorado Routt Steamboat Springs. Flowering and Fruiting N N 189 RM 680895 So Rocky Mts RM 169256 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-80987 George E. Osterhout 2674 14 7 1902 U.S.A. Colorado Routt Steamboat Springs. Flowering and Fruiting N N 190 RM 680896 So Rocky Mts RM 159248 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117079 George E. Osterhout 4812 23 8 1912 U.S.A. Colorado Larimer Thompson Canyon above the Forks. Flowering and Fruiting N N 191 RM 680897 So Rocky Mts RM 169254 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117089 George E. Osterhout 3312 22 7 1906 U.S.A. Colorado Grand Sulphur Springs. Flowering and Fruiting N N 192 RM 680898 So Rocky Mts RM 157704 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-72283 George E. Osterhout 7617 28 7 1904 U.S.A. Colorado Larimer Home Post Office. 7500 ft. T9N R74W S33 40.6964 -105.692 NAD 83 2 mi. Y Y Nat. Geog. TOPO! Flowering and Fruiting N N 193 RM 680899 So Rocky Mts RM 170406 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 5. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117087 George E. Osterhout 3091 16 8 1905 U.S.A. Colorado Larimer Estes Park. Flowering and Fruiting N N 194 RM 680900 So Rocky Mts RM 170391 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 4. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-72292 George E. Osterhout 3057 16 7 1905 U.S.A. Colorado Grand Sulphur Springs. 7750 ft. 40.0731 -106.102 1 mi. Y Nat. Geog. TOPO! LB Flowering and Fruiting N N 195 RM 680901 So Rocky Mts RM 170405 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 5. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117086 George E. Osterhout 3091 16 8 1905 U.S.A. Colorado Larimer Estes Park: Park Hill. Flowering and Fruiting N N 196 RM 680902 So Rocky Mts RM 169258 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-72393 George E. Osterhout 4998 31 7 1913 U.S.A. Colorado Jackson North Park: Michigan River. Flowering and Fruiting N N 197 RM 680903 So Rocky Mts RM 159076 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-72393 George E. Osterhout 4999 31 7 1913 U.S.A. Colorado Jackson North Park: Michigan River. Flowering and Fruiting N N 198 RM 680904 So Rocky Mts RM 170394 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 4. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117090 George E. Osterhout 4768 17 8 1912 U.S.A. Colorado Larimer Stove Prairie, Bosworth's Ranch. Fertile N N 199 RM 680905 So Rocky Mts RM 161068 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117091 George E. Osterhout 2238 24 8 1900 U.S.A. Colorado Jackson Hills E of North Park. Flowering and Fruiting N N 200 RM 680906 So Rocky Mts RM 170390 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 4. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-72317 George E. Osterhout 3589 8 8 1907 U.S.A. Colorado Grand Sulphur Springs. Flowering and Fruiting N N 201 RM 680907 So Rocky Mts RM 170388 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 4. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2008. RM-117085 George E. Osterhout 3266 20 7 1906 U.S.A. Colorado Gilpin Toland. Flowering and Fruiting N N 202 RM 680908 So Rocky Mts RM 170389 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 6. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2008. RM-117092 George E. Osterhout 2429 17 7 1901 U.S.A. Colorado Boulder Ward. Flowering and Fruiting N N 203 RM 680909 So Rocky Mts RM 169261 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117093 George E. Osterhout 1840 29 8 1899 U.S.A. Colorado Routt N of Bear [Yampa] River, E of Hayden. Flowering and Fruiting N N 204 RM 680910 So Rocky Mts RM 170396 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117079 George E. Osterhout 4806 23 8 1912 U.S.A. Colorado Larimer Thompson Canyon above the Forks. Flowering and Fruiting N N 205 RM 680911 So Rocky Mts RM 169260 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117094 George E. Osterhout 2218 21 7 1900 U.S.A. Colorado Larimer Estes Park. Flowering and Fruiting N N 206 RM 680912 So Rocky Mts RM 170393 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117072 George E. Osterhout 4782 15 8 1912 U.S.A. Colorado Larimer Little South: Rockwell's Place. Flowering and Fruiting N N 207 RM 680913 So Rocky Mts USFS 312751 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-81443 George E. Osterhout 4808 23 8 1912 U.S.A. Colorado Larimer Thompson Canyon. Flowering and Fruiting N N 208 RM 680914 So Rocky Mts RM 312742 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117095 George E. Osterhout 4769 17 8 1912 U.S.A. Colorado Larimer Bosworth's Ranch. Flowering and Fruiting N N 209 RM 680915 So Rocky Mts RM 157702 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117096 George E. Osterhout 981 6 8 1896 U.S.A. Colorado Larimer Vicinity of Stove Prairie. Flowering and Fruiting N N 210 RM 680916 So Rocky Mts RM 312741 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117095 George E. Osterhout 4767 17 8 1912 U.S.A. Colorado Larimer Bosworth's Ranch. Flowering and Fruiting N N 211 RM 680917 So Rocky Mts RM 169257 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-81145 George E. Osterhout 4797 13 8 1912 U.S.A. Colorado Larimer Bosworth's Ranch, Stove Prairie. Flowering and Fruiting N N 212 RM 680918 So Rocky Mts RM 312740 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-81443 George E. Osterhout 4811 23 8 1912 U.S.A. Colorado Larimer Thompson Canyon. Flowering and Fruiting N N 213 RM 680919 So Rocky Mts RM 312752 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-81443 George E. Osterhout 4809 23 8 1912 U.S.A. Colorado Larimer Thompson Canyon. Flowering and Fruiting N N 214 RM 680920 So Rocky Mts RM 159075 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 4. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117097 George E. Osterhout 5457 10 9 1915 U.S.A. Colorado Larimer Along trail to Longs Peak. Flowering and Fruiting N N 215 RM 680921 So Rocky Mts RM 161069 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117098 George E. Osterhout 5469 12 9 1915 U.S.A. Colorado Larimer Longs Peak Inn, trail to Storm Pass. Seemingly abnormal heads, perhaps a peculiar form of C. o(s?)pathulatus, but having some resemblance to C. modestus. Flowering and Fruiting N N 216 RM 680922 So Rocky Mts RM 169255 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-72394 George E. Osterhout 5085 24 6 1914 U.S.A. Colorado Routt Hayden. Flowering and Fruiting N N 217 RM 680923 So Rocky Mts RM 157700 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-81153 George E. Osterhout 4948 9 7 1913 U.S.A. Colorado Routt Hayden. Flowering and Fruiting N N 218 RM 680924 So Rocky Mts RM 159247 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117076 George E. Osterhout 5150 20 7 1914 U.S.A. Colorado Larimer E of Estes Park along the Thompson. Flowering and Fruiting N N 219 RM 680925 So Rocky Mts RM 169292 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 5. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117099 George E. Osterhout 3389 17 8 1906 U.S.A. Colorado Eagle Minturn. Flowering and Fruiting N N 220 RM 680936 Porter RM 278191 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117107 C. L. Porter 10089 Marjorie W. Porter 16 8 1965 U.S.A. Colorado Grand Near Tabernash, on U.S. Hwy 40. Open Pinus contorta forest. 8500 ft. Common. Corollas white. Flowering and Fruiting N N 221 RM 680937 Porter RM 263020 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117108 C. L. Porter 8493 Marjorie W. Porter 7 8 1960 U.S.A. Colorado Jackson 3 mi W of Cameron Pass at The Crags Campground. Open pine forest. 9000 ft. Flowering and Fruiting N N 222 RM 680938 So Rocky Mts USFS 476101 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117109 Charles A. Kutzleb K-39 5 7 1927 U.S.A. Colorado Jackson Routt National Forest: Chedsey Creek, experimental plot 6. Slope level; gravelly loam soil; park habitat. 8600 ft. Quite common. Flowering and Fruiting N N 223 RM 680939 So Rocky Mts USFS 475996 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117110 Paul L. Ginter 399 14 8 1941 U.S.A. Colorado Larimer Roosevelt National Forest: junction Fish Creek and Little South Poudre River. Slope 5% east; soil deep gravelly silt; aspen habitat. 8100 ft. T7N R73W S1 Occasional. Flowering and Fruiting N N 224 RM 680940 So Rocky Mts USFS 476116 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117111 Wayne L. Regelin 38 22 7 1969 U.S.A. Colorado Grand Fraser Experimental Forest: Fool Creek watershed near road 2, 6.5 mi SW of Fraser. Dry. 10500 ft. Flowering N N 225 RM 680945 So Rocky Mts RM 170407 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2008. RM-81020 George E. Osterhout 3089 16 8 1905 U.S.A. Colorado Larimer Canyon of the Thompson River, above the forks. Collection cited by Rydberg (1910, Bull. Torrey Bot. Club 37: 545) as Carduus americanus x C. laterifolius, and by Petrak (1917, Bieh. Bot. Centralbl. 35: 562) as Cirsium americanum x C. laterifolium with the combination C. xcanalense as a synonym. The name C. xcanalense was not validly published. The name Carduus canalensis, sp. nov., in Osterhout's hand is an unpublished herbarium name. I do not consider this plant to be a hybrid. Keil. Flowering and Fruiting N N 226 RM 680950 So Rocky Mts RM 170397 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-90139 Edmund R. Cross s.n. 31 8 1913 U.S.A. Colorado Boulder Left-hand Creek near Puzzler, near Ward. Brookside trail. 9000 ft. Flowering N N 227 RM 680951 So Rocky Mts RM 313308 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. approaching var. osterhoutii. RM-117114 Edmund R. Cross s.n. 2 8 1913 U.S.A. Colorado Gilpin Dark Canyon, above Baltimore. Brookside trail. 9100 ft. Flowering and Fruiting N N 228 RM 680952 So Rocky Mts RM 159243 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117114 Edmund R. Cross s.n. 2 8 1913 U.S.A. Colorado Gilpin Dark Canyon, above Baltimore. Brookside trail. 9100 ft. Flowering and Fruiting N N 229 RM 680953 So Rocky Mts RM 313307 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117115 Edmund R. Cross s.n. 1 9 1913 U.S.A. Colorado Boulder Estes Park Road, near Ward. Dry roadsides. 9200 ft. Flowering and Fruiting N N 230 RM 680954 So Rocky Mts RM 57416 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-76417 W. W. Robbins 2371 28 7 1906 U.S.A. Colorado Boulder Eldora. 8600 9000 ft. 39.9488° N, 105.5726° W; NAD 83, uncertainty 1 mi., Nat. Geog. TOPO! T1S R73W S21 39.9488 -105.5726 NAD 83 1 mi. Y Y Nat. Geog. TOPO! BEN Flowering and Fruiting N N 231 RM 680955 So Rocky Mts RM 57417 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-76410 W. W. Robbins 2166 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 Flowering and Fruiting N N 232 RM 680956 So Rocky Mts RM 57415 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-76411 W. W. Robbins 2246 24 7 1906 U.S.A. Colorado Boulder Sugar Loaf Mountain. Flowering and Fruiting N N 233 RM 680957 So Rocky Mts RM 61193 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-71846 Francis Ramaley 3816 24 8 1907 U.S.A. Colorado Boulder 7000 ft. N Not enough information to georeference. Flowering and Fruiting N N 234 RM 680958 So Rocky Mts RM 64616 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-71860 Francis Ramaley 5876 G. S. Dodds and W. W. Robbins 20 7 1908 U.S.A. Colorado Boulder Near Ward. 9500 ft. Flowering and Fruiting N N 235 RM 680959 So Rocky Mts RM 61195 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-71838 Francis Ramaley 3405 W. W. Robbins 10 8 1907 U.S.A. Colorado Gilpin Small lake 1/4 mi below Tolland. Shrub zone. 8800 ft. 39.9045 -105.594 NAD 83 0 mi. N Nat. Geog. TOPO! LB Flowering and Fruiting N N 236 RM 680960 So Rocky Mts RM 61194 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-71842 Francis Ramaley 3604 W. W. Robbins 3 8 1907 August 3-8, 1907 U.S.A. Colorado Grand Middle Park: near Hot Sulphur Springs. 7600 ft. 40.0731° N, 106.102° W; NAD 83, uncertainty 0.5 mi., Nat. Geog. TOPO! 40.0731 -106.102 NAD 83 1 mi. N Nat. Geog. TOPO! LB Flowering and Fruiting N N 237 RM 680969 Haines RMRS RM 575275 RM0280733 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-24386 June Haines 9571 Tom Fletchall 12 8 1991 U.S.A. Wyoming Albany Medicine Bow Mountains: E of Brooklyn Lake, near plot 214. Spruce-fir forest; near moist forb meadow. 10400 ft. 41.3689° N, 106.2328° W; uncertainty 0.5 mi. T16N R79W S11 SW1/4; near center of eastern boundary of S11 41.3689 -106.2328 1 mi. Flowering and Fruiting N RM0280733 N 238 RM 680973 RMHERB1 RM 293049 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117116 Robert C. Gardner 147B 22 7 1971 U.S.A. Wyoming Carbon Wyo Hwy 130, ca 3 mi W of Ryan Park, E of North Brush Creek bridge. Moist roadside ditch.la 7000 ft. Flowering and Fruiting N N 239 RM 680974 RMHERB1 RM 293145 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. approaching C. clavatum var. americanum RM-117117 Robert C. Gardner 123 2 7 1971 U.S.A. Wyoming Converse 8 mi SW of Esterbrook, on road to Ft. Fetterman Road. Along roadside. 5000 ft. Chemical voucher. Flowering and Fruiting N N 240 RM 680975 RMHERB1 RM 293152 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117118 Robert C. Gardner 165 31 7 1971 U.S.A. Wyoming Albany Lake Owen, 11 mi N of Foxpark. Along dry roadside. 8000 ft. Flowering and Fruiting N N 241 RM 680976 RMHERB1 RM 293154 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117119 Robert C. Gardner 146 22 7 1971 U.S.A. Wyoming Albany Wyo Hwy 130, ca 3 mi W of Centennial, just across Libby Creek bridge, along Forest Road. 100 ft off road. 8200 ft. Flowering and Fruiting N N 242 RM 680977 RMHERB1 RM 293153 RM0280835 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-117120 Robert C. Gardner 143 19 7 1971 U.S.A. Wyoming Albany County Road 17, ca 1 mi SE of quarry, then ca 4 mi SE on two-rut road. With aspen and other broad-leaved trees. 7400 ft. Flowering and Fruiting N RM0280835 N 243 RM 680978 RMHERB1 RM 574768 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117121 Robert D. Dorn 5371 10 9 1992 U.S.A. Wyoming Carbon Douglas Creek. Rocky slope with Pseudotsuga and Juniperus. 7600 ft. T14N R80W S32 SW1/4 Corolla white. Flowering and Fruiting N N 244 RM 680979 RMHERB1 RM 329542 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117122 Robert D. Dorn 3492 30 6 1980 U.S.A. Wyoming Carbon Sierra Madre. Oak-aspen with Wyethia and Lathyrus. 8100 ft. 41.10011° N, 107.18281° W; NAD 83, uncertainty 0.25 mi., Nat. Geog. TOPO! T13N R87W S16 N1/2 41.10011 -107.18281 NAD 83 0 mi. Y Y Nat. Geog. TOPO! SC Corolla white. Flowering and Fruiting N N 245 RM 680980 WYNDD RM 602324 RM0280836 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-117123 Walter Fertig 15286 Jane Struttmann 1 8 1994 U.S.A. Wyoming Albany Laramie Range: Headquarters Trail at The Summit rest area of I-80, ca 6 air mi SE of Laramie. Aspen-mountain big sagebrush grassland on calcareous soils; with Artemisia tripartita, Festuca idahoensis, Eriogonum umbellatum. 8720 ft. T15N R72W S26 NW1/4; also SE1/4 cpDNA voucher specimen. Flowering and Fruiting N RM0280836 N 246 RM 680981 RMHERB1 USFS 402538 USFS0071466 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-60098 Webster B. Jones 175 19 8 1970 U.S.A. Wyoming Albany Sheep Mountain: near Halls Creek. Douglas fir clearing. 8500 ft. 41.2679° N, 106.0618° W; uncertainty 1 mi. T15N R77W S17 41.2679 -106.0618 1 mi. Flowering and Fruiting N USFS0071466 N 247 RM 680982 Williams RM 394856 RM0280837 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-55713 Roger L. Williams 391 10 8 1986 U.S.A. Wyoming Carbon Sierra Madre: North Fork Encampment River, ca 7.5 air mi SW of Encampment. Occasional in moist woods and clearings. 8500 ft. 41.1565° N, 106.9172° W; uncertainty 1 mi. T14N R85W S26 41.1565 -106.9172 1 mi. flowers pale pink-purple. Flowering and Fruiting N RM0280837 N 248 RM 680983 Williams RM 396697 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-55726 Roger L. Williams 550 5 7 1987 U.S.A. Wyoming Carbon Sierra Madre: North Fork Encampment River, ca 3 air mi SW of Encampment. Few plants in dry open basin. 7600 ft. 41.1822° N, 106.844° W; uncertainty 1 mi. T14N R84W S16 41.1822 -106.844 1 mi. Flowers whitish. Flowering and Fruiting N N 249 RM 680984 RMHERB1 RM 335740 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-42232 Francis B. Current 680 10 8 1979 U.S.A. Wyoming Carbon Battle Mountain, south face of mountain, Mexican Ridge, 9 air mi E Savery. Populus tremuloides overstory. 8000 ft. T12N R88W S11 Flowering and Fruiting N N 250 RM 680985 RMHERB1 RM 29095 RM0280739 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-35740 Aven Nelson s.n. 20 7 1900 U.S.A. Wyoming Albany Tie City. Moist woods. Flowering and Fruiting N RM0280739 N 251 RM 680986 RMHERB1 RM 169259 RM0280740 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-35740 Aven Nelson s. n. 20 7 1900 U.S.A. Wyoming Albany Tie City. Moist woods. Flowering and Fruiting N RM0280740 N 252 RM 680987 RMHERB1 RM 5104 RM0280741 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-18462 Aven Nelson 1512 31 7 1895 U.S.A. Wyoming Albany Cummins. 7580 ft. 41.0577° N, 106.0131° W T13N R77W S34 NE1/4; also S35 NW1/4 41.0577 -106.0131 Y Y BEN Flowering and Fruiting N RM0280741 N 253 RM 680988 RMHERB1 RM 29096 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117124 Aven Nelson 7948 3 8 1900 U.S.A. Wyoming Albany Telephone Mines. Alpine parks. Flowering and Fruiting N N 254 RM 680989 RMHERB1 RM 52135 RM0280743 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-47202 Leslie N. Goodding 2009 24 8 1903 U.S.A. Wyoming Carbon Bridger Peak. Open flats. 9000 11000 ft. 41.1865° N, 107.0317° W; NAD 83, uncertainty 0.5 mi., Digital Map T14N R86W S14 41.1865 -107.0317 NAD 83 1 mi. Y Y Digital Map Located on the Continental Divide; geo-locate.org. EL Flowering and Fruiting N RM0280743 N 255 RM 680990 RMHERB1 RM 302785 RM0280742 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-18693 J. Francis Macbride 2476 18 6 1913 U.S.A. Wyoming Albany Laramie. Pine woods. 7200 ft. 41.3133° N, 105.5844° W; uncertainty 2 mi. T16N R73W S33 41.3133 -105.5844 2 mi. Y Y Flowering and Fruiting N RM0280742 N 256 RM 680991 RMHERB1 RM 223398 RM0280744 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-117126 Aven Nelson s. n. 2 7 1934 U.S.A. Wyoming Albany Laramie. Flowering and Fruiting N RM0280744 N 257 RM 680992 RMHERB1 RM 222865 RM0280745 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-117127 Ray J. Davis s. n. 20 7 1934 U.S.A. Wyoming Albany Laramie Flowering and Fruiting N RM0280745 N 258 RM 680993 So Rocky Mts RM 542629 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-96969 Scott Sundberg 2581 E. Lee 9 8 1984 U.S.A. Colorado Jackson SE of Steamboat Springs at junction of U.S. Hwy 40 and Colo Hwy 14 to Walden. Roadside, ashy soil. Flowering and Fruiting N N 259 RM 680994 So Rocky Mts RM 48395 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117128 W. S. Cooper 10 28 7 2004 U.S.A. Colorado Larimer Estes Park. 8000 ft. Flowering and Fruiting N N 260 RM 680995 So Rocky Mts RM 223399 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117129 Harry Hapeman s. n. 26 8 1896 U.S.A. Colorado Larimer Estes Park, Lambs Ranch. Flowering and Fruiting N N 261 RM 680996 So Rocky Mts RM 580904 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117130 William A. Weber 17800 8 7 1986 U.S.A. Colorado Rio Blanco Between Buford and Trappers Lake. 2550 m. Heads small; phyllaries with glutinous spot, inner one fimbriate; leaves little decurrent, white beneath; inflorescence openly branched; flowers white. Flowering and Fruiting N N 262 RM 680997 So Rocky Mts RM 262347 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117131 Gerald B. Ownbey 2641 Yu-tseng Hsi 18 8 1958 U.S.A. Colorado San Juan U.S. Hwy 550 to Silverton, just N of La Plata county. In opening in aspen forest. 8600 ft. Plants perennial, reproducing by root sprouts; flowers very pale yellow; leaves not decurrent. Fertile N N 263 RM 680998 So Rocky Mts RM 223400 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-72689 Harry Hapeman s. n. 23 8 1936 U.S.A. Colorado Larimer Cameron Pass. 10285 ft. Flowering and Fruiting N N 264 RM 680999 So Rocky Mts RM 223378 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117132 Harry Hapeman s. n. 29 8 1936 U.S.A. Colorado Larimer Pingree Park Road. Flowering and Fruiting N N 265 RM 681000 So Rocky Mts RM 81878 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117133 Edwin B. Payson 913 12 8 1915 U.S.A. Colorado Montrose 20 mi W of Montrose. Dry hills. 7500 ft. Flowering and Fruiting N N 266 RM 681001 So Rocky Mts RM 8415 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-70653 C. S. Crandall s. n. 10 7 1896 U.S.A. Colorado Larimer Mountains. 7500 ft. Flowering and Fruiting N N 267 RM 681002 So Rocky Mts RM 47233 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117134 C. S. Crandall 2802 10 7 1896 U.S.A. Colorado Larimer Bosworth's 7500 ft. Flowering and Fruiting N N 268 RM 681003 So Rocky Mts RM 568394 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117135 Thomas W. Nelson 7924 Jane P. Nelson 3 7 1985 U.S.A. Colorado Larimer Along Colo Hwy 7, 7.6 mi from junction with Colo Hwy 36. Moist meadow. 9000 ft. T4N R73W S27 Flowering and Fruiting N N 269 RM 681004 So Rocky Mts RM 568629 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-86225 Thomas W. Nelson 6620 Jane P. Nelson 30 6 1981 U.S.A. Colorado Larimer Along Colo Hwy 36, 5 mi from Estes Park. Juniper-pine woodland. 7800 ft. T4N R72W S2 Flowering and Fruiting N N 270 RM 681005 So Rocky Mts RM 568628 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-86226 Thomas W. Nelson 6620 Jane P. Nelson 30 6 1981 U.S.A. Colorado Larimer Along Colo Hwy 36, 5 mi E of Estes Park. Juniper pine woodland. 7800 ft. T4N R72W S4 Flowering and Fruiting N N 271 RM 681006 So Rocky Mts RM 157703 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117136 Ira W. Clokey 3213 6 8 1918 U.S.A. Colorado Boulder Lake Eldora. Hill sides. 9300 ft. Flowering and Fruiting N N 272 RM 681007 So Rocky Mts RM 90089 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117137 Ellsworth Bethel 4408 H. M. Schmoll 20 7 1921 U.S.A. Colorado Boulder Ward. Open woods. 2650 m. Flowering and Fruiting N N 273 RM 681008 So Rocky Mts RM 95406 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117136 Ira W. Clokey 3213 6 8 1918 U.S.A. Colorado Boulder Lake Eldora. Hillsides. 9300 ft. Flowering and Fruiting N N 274 RM 681009 So Rocky Mts RM 47885 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-91294 Frank Tweedy 5852 7 1903 U.S.A. Colorado Boulder Near Boulder. Plains and foothills. 5000 6000 ft. Flowering and Fruiting N N 275 RM 681010 So Rocky Mts RM 43047 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-80609 Frank Tweedy 4870 8 1902 U.S.A. Colorado Boulder Mountains between Sunshine and Ward. 9500 ft. Flowering and Fruiting N N 276 RM 681011 So Rocky Mts RM 210154 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 3. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117138 William A. Weber 3665 28 8 1947 U.S.A. Colorado Montrose Uncompahgre Plateau: 1 mi W of Windy Point. Rocky talus. 9500 ft. T49N R15W Flowering and Fruiting N N 277 RM 681012 So Rocky Mts RM 222863 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117139 Henrietta L. Zobel s. n. 12 7 1939 U.S.A. Colorado Boulder Middle Saint Vrain Canyon. Flowering and Fruiting N N 278 RM 681013 RMHERB1 RM 294199 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 2. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-117140 G. A. Goodwin s.n. 16 8 1974 U.S.A. Wyoming Carbon Rock Creek burn west. 1955 burn. 9300 ft. T18N R78W S13 Flowering and Fruiting N N 279 RM 681014 RMHERB1 RM 338136 RM0280734 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-48509 Max H. Schroeder s.n. Gary L. Ranck 31 7 1973 U.S.A. Wyoming Carbon Stratton Hydrology Study Area: Sane Creek. Sagebrush rangeland. 7000 8000 ft. 41.4181° N, 107.1381° W; uncertainty 1 mi. T17N R87W S25 41.4181 -107.1381 1 mi. N Y Flowering and Fruiting N RM0280734 N 280 RM 681015 RMHERB1 RM 338095 RM0280736 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-117142 Max H. Schroeder s.n. Gary L. Ranck (12/67) U.S.A. Wyoming Carbon Stratton Hydrology Study Area. Sagebrush rangeland. 7000 8000 ft. T17N R86W-R87W Flowering and Fruiting N RM0280736 N 281 RM 681016 RMHERB1 RM 338096 RM0280735 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-117143 Max H. Schroeder s.n. Gary L. Ranck U.S.A. Wyoming Carbon Stratton Hydrology Study Area. Sagebrush rangeland. 7000 8000 ft. T17N R86W-R87W Flowering N RM0280735 N 282 RM 718907 Lukas 2007 RM 916745 RM0076445 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-114743 B. E. Nelson 72889 10 7 2007 U.S.A. Wyoming Albany Medicine Bow Mountains: ridge between Eagle and Beaver creeks above the Laramie River, ca 6 air mi SSW of Woods Landing; ca 31 air mi SW of Laramie. Sagebrush meadow with scattered limber pine. 8120 8520 ft. 41.0335° N, 106.0591° W to 41.0286° N, 106.0481° W; NAD 83, , GPS reading T12N R77W S5 SE1/4; also NE1/4 S8 and NW1/4 S9 41.0335 -106.0591 NAD 83 GPS reading Flowering N RM0076445 283 RM 719101 Lukas 2007 RM 916744 RM0076444 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-114758 B. E. Nelson 73083 17 7 2007 U.S.A. Wyoming Carbon Medicine Bow Mountains: ca 0.8 air mi N of Colorado and ca 1 air mi E of North Platte River, ca 40 air mi SE of Saratoga. Scrub aspen with sagebrush, bitterbrush, and scattered lodgepole pine. 8080 8200 ft. 41.0118° N, 106.3291° W; NAD 83, , GPS reading T12N R80W S13 NE1/4 41.0118 -106.3291 NAD 83 GPS reading Flowering N RM0076444 284 RM 720702 Lukas 2007 RM 916729 RM0076427 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-114827 Laura E. Lukas 1464 27 6 2007 U.S.A. Wyoming Carbon Medicine Bow Mountains: Platte River Wilderness: along Trail 506 and Douglas Creek, 1 air mi E of Pike Pole Campground, ca 44 air mi SW of Laramie; ca 29 air mi SE of Saratoga. Mixed spruce-fir forest along creek. 7458 ft. 41.1341° N, 106.4203° W; WGS 84, , GPS reading T14N R80W S32 41.1341 -106.4203 WGS 84 GPS reading Flowering RM0076427 285 RM 720790 Lukas 2007 RM 916747 RM0076447 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-114830 Laura E. Lukas 1552 29 6 2007 U.S.A. Wyoming Carbon Medicine Bow Mountains: Sixmile Creek and Lost Park area, ca 3 air mi SW of Pelton Creek Campground, ca 40 air mi SW of Laramie; ca 36 sir mi SE of Saratoga. Lodgepole pine forest. 8755 ft. 41.0552° N, 106.3546° W; WGS 84, , GPS reading T13N R80W S25; also S26 41.0552 -106.3546 WGS 84 GPS reading Flowering N RM0076447 286 RM 721238 Lukas 2007 RM 916746 RM0076446 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-114856 Laura E. Lukas 2000 5 7 2007 5 July 2007 U.S.A. Wyoming Albany Medicine Bow Mountains: Clark Park, SE of intersection of Forest Road 101 (Sand Lake Road) and Forest Road 323, ca 7 air mi NNW of Centennial. Park. 9587 9914 ft. 41.3862° N, 106.1844° W; WGS 84, , GPS reading T16N R78W S5 41.3862 -106.1844 WGS 84 GPS reading Flowering N RM0076446 287 RM 721461 Lukas 2007 RM 916728 RM0076429 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-114865 Laura E. Lukas 2223 13 7 2007 U.S.A. Wyoming Carbon Medicine Bow Mountains: North French Creek at intersection of Forest Road 227 (North French Creek Road) and Forest Road 225 (South French Creek Road), ca 20 air mi SE of Saratoga. Wet meadow. 8612 8644 ft. 41.2835° N, 106.4585° W to 41.2835° N, 106.4584° W; WGS 84, , GPS reading T15N R81W S11 41.2835 -106.4585 WGS 84 GPS reading Flowering N RM0076429 288 RM 721597 Lukas 2007 RM 916727 RM0076428 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-114890 Laura E. Lukas 2359 15 7 2007 U.S.A. Wyoming Carbon Medicine Bow Mountains: Barrett Creek, along Forest Road 225 (South French Creek Road), ca 3 air mi S of Wyo Hwy 130, ca 20 air mi SE of Saratoga. Moist woods. 8919 ft. 41.2922° N, 106.4859° W; WGS 84, , GPS reading T15N R81W S3 41.2922 -106.4859 WGS 84 GPS reading Flowering N RM0076428 289 RM 721861 Lukas 2007 RM 916726 RM0076471 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-114906 Laura E. Lukas 2623 16 7 2007 U.S.A. Wyoming Albany Medicine Bow Mountains: Swan Creek and Douglas Creek, just S of Bobbie Thomson Campground, ca 37 air mi SW of Laramie. Woods. 8741 ft. 41.1471° N, 106.2534° W; WGS 84, , GPS reading T14N R79W S27 41.1471 -106.2534 WGS 84 GPS reading Flowering N RM0076471 290 RM 721934 Lukas 2007 RM 916725 RM0076470 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-114916 Laura E. Lukas 2696 18 7 2007 U.S.A. Wyoming Albany Medicine Bow Mountains: Little Beaver Creek, along Forest Road 542 (Keystone Road), 0.5 air mi NE of Keystone, ca 11 air mi SSW of Centennial. Wet, open forest along creek. 8862 8894 ft. 41.1702° N, 106.2487° W to 41.1695° N, 106.2489° W; WGS 84, , GPS reading T14N R79W S22 41.1702 -106.2487 WGS 84 GPS reading Flowering N RM0076470 291 RM 722229 Lukas 2007 RM 916724 RM0076469 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-114936 Laura E. Lukas 2991 20 7 2007 U.S.A. Wyoming Carbon Medicine Bow Mountains: S of Elkhorn Creek and North Platte River area W of Forest Road 534, ca 48 air mi SW of Saratoga. Meadow between creek and dry sagebrush flats. 8208 ft. 41.003° N, 106.3306° W; WGS 84, , GPS reading T12N R80W S13; also S14 41.003 -106.3306 WGS 84 GPS reading Flowering N RM0076469 292 RM 722457 Lukas 2007 RM 916723 RM0076468 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-114959 Laura E. Lukas 3219 25 7 2007 U.S.A. Wyoming Albany Medicine Bow Mountains: near Lake Owen Creek, ca 1 air mi E of Lake Owen, ca 11 air mi S of Centennial. Unbrunt, mixed conifer and aspen grove on edge of steppe. 7639 8220 ft. 41.1448° N, 106.0652° W to 41.1399° N, 106.0583° W; WGS 84, , GPS reading T14N R77W S30; also S31 and S32 41.1448 -106.0652 WGS 84 GPS reading Flowering N RM0076468 293 RM 722709 Lukas 2007 RM 916722 RM0076467 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-114984 Laura E. Lukas 3471 30 7 2007 U.S.A. Wyoming Carbon Medicine Bow Mountains: South French Creek, ca 2 air mi W of intersection of Forest roads 225 and 206, ca 23 air mi SE of Saratoga. In conifer-aspen forest. 8073 8566 ft. 41.2407° N, 106.4568° W to 41.2485° N, 106.4522° W; WGS 84, , GPS reading T15N R81W S23; also S24 and S26 41.2407 -106.4568 WGS 84 GPS reading Flowering N RM0076467 294 RM 722856 Lukas 2007 RM 927636 RM0087673 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-114999 Laura E. Lukas 3618 30 7 2007 U.S.A. Wyoming Carbon Medicine Bow Mountains: Mullen Creek, ca 1 air mi E of intersection of Forest Road 500 (French Creek Road) and Forest Road 225 (South French Creek Road), ca 26 air mi SE of Saratoga. Edge of forest and pond. 8752 ft. 41.2305° N, 106.4011° W; WGS 84, , GPS reading T15N R80W S28; also S30 41.2305 -106.4011 WGS 84 GPS reading Flowering and Fruiting RM0087673 295 RM 722893 Lukas 2007 RM 916721 RM0076466 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-115002 Laura E. Lukas 3655 1 8 2007 U.S.A. Wyoming Albany Medicine Bow Mountains: North Fork area, just NW of North Fork Campground, running NW along Forest Road 101 (Sand Lake Road), ca 1 air mi SE of Clark Park, ca 6 air mi NW of Centennial. Mixed conifer forest, southwest-facing slope, Vaccinium understory. 9245 9578 ft. 41.3649° N, 106.1766° W to 41.3759° N, 106.1905° W to 41.3781° N, 106.1906° W; WGS 84, , GPS reading T16N R78W S5; also S6, S7; also S8 41.3649 -106.1766 WGS 84 GPS reading Flowering N RM0076466 296 RM 723495 Lukas 2007 RM 916720 RM0076465 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-115060 Laura E. Lukas 4257 8 8 2007 U.S.A. Wyoming Carbon Medicine Bow Mountains: South French Creek, just S of Forest Road 236, ca 2 air mi NE of intersection of Forest Road 225 (South French Creek Road) and Forest Road 236, ca 25 air mi SE of Saratoga and 12 air mi W of Centennial. Edge of conifer forest and dry meadow. 8710 ft. 41.2711° N, 106.3821° W; WGS 84, , GPS reading T15N R80W S16 41.2711 -106.3821 WGS 84 GPS reading Flowering and Fruiting N RM0076465 297 RM 723698 Lukas 2007 RM 916719 RM0076464 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-115071 Laura E. Lukas 4460 13 8 2007 U.S.A. Wyoming Carbon Medicine Bow Mountains: along Forest Road 208 1F, ca 1 air mi S of South Fork Corral Creek, ca 5 air mi S of Ryan Park; ca 21 air mi SE of Saratoga. Lodgepole pine and spruce forest along creek. 8973 ft. 41.2553° N, 106.4938° W; WGS 84, , GPS reading T15N R81W S21; also S22 41.2553 -106.4938 WGS 84 GPS reading Fruiting N RM0076464 298 RM 723712 Lukas 2007 RM 916718 RM0076463 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-115072 Laura E. Lukas 4474 13 8 2007 U.S.A. Wyoming Carbon Medicine Bow Mountains: just S of intersection of Forest roads 232 and 210, ca 1 air mi W of Ryan Park; ca 17 air mi SE of Saratoga. Meadow near pond. 8885 ft. 41.3196° N, 106.5269° W; WGS 84, , GPS reading T16N R81W S29; also S32 41.3196 -106.5269 WGS 84 GPS reading Fruiting N RM0076463 299 RM 723915 Lukas 2007 RM 916717 RM0076462 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-115089 Laura E. Lukas 4677 15 8 2007 U.S.A. Wyoming Albany Medicine Bow Mountains: Indian Creek, just N of Forest Road 527, ca 1 air mi from intersection of Forest Road 517 (Dry Park Road) and Forest Road 575, ca 11 air mi SSW of Centennial. Clearing in forest. 9099 9220 ft. 41.1511° N, 106.185° W to 41.1517° N, 106.1851° W; WGS 84, , GPS reading T14N R78W S29 41.1511 -106.185 WGS 84 GPS reading Flowering N RM0076462 300 RM 725141 Lukas BLM RM 916731 RM0076431 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-116755 B. E. Nelson 75893 31 7 2008 U.S.A. Wyoming Albany Medicine Bow Mountains: summit and north slope of Jelm Mountain, ca 24.7 air mi SW of Laramie. Lodgepole pine forest with outcrop ridge. 9200 9656 ft. 41.1009° N, 105.9784° W; NAD 83, , GPS reading T13N R77W S13 NE1/4 41.1009 -105.9784 NAD 83 GPS reading Flowering N RM0076431 301 RM 725313 Lukas BLM RM 929552 RM0090384 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-116771 B. E. Nelson 76065 5 8 2008 U.S.A. Wyoming Carbon Sierra Madre: Miner Creek and canyons and ridge to the NW, ca 1/4 below confluence of North and South forks, ca 4 air mi SSW of Encampment. Easterly-facing sagebrush slope. 7650 8160 ft. 41.153° N, 106.8215° W to 41.1485° N, 106.8183° W; NAD 83, , GPS reading T14N R84W S27 SE1/4 41.153 -106.8215 NAD 83 GPS reading Flowering N RM0090384 302 RM 726432 Lukas 2008 RM 916716 RM0076461 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-116366 Laura E. Lukas 5946 Patricia E. Lukas 9 7 2008 U.S.A. Wyoming Carbon Medicine Bow Mountains: Platte River Wilderness: surrounding confluence of Devils Gate Creek and Douglas Creek, ca 4 air mi SE of Trail 506 Trailhead and Pike Pole Campground, ca 17 air mi SSW of Centennial. Edge of sagebrush and forest. 8017 8025 ft. 41.114° N, 106.3682° W to 41.1123° N, 106.3721° W; WGS 84, , GPS reading T13N R80W S3; also S10 41.114 -106.3682 WGS 84 GPS reading Flowering RM0076461 303 RM 726568 Lukas 2008 RM 916743 RM0076443 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-115154 Laura E. Lukas 6082 Patricia E. Lukas 13 7 2008 U.S.A. Wyoming Carbon Medicine Bow Mountains: Savage Run Wilderness: along Cottonwood Creek and Trail 502, ca 1 mi from trailhead, ca 15 air mi SW of Centennial. Wet meadow. 8228 ft. 41.1733° N, 106.3788° W; WGS 84, , GPS reading T14N R80W S15; also S16 41.1733 -106.3788 WGS 84 GPS reading Flowering N RM0076443 304 RM 726864 Lukas 2008 RM 916742 RM0076442 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-116397 Laura E. Lukas 6378 22 7 2008 U.S.A. Wyoming Carbon Medicine Bow Mountains: along Fourmile Creek near the end of improved Forest Road 329 (Fallen Pines Road), ca 1.5 air mi S of Morgan, ca 12 air mi N of Centennial; ca 10 SE of Arlington. Along creek in mixed conifer forest. 9300 ft. 41.4629° N, 106.1398° W; WGS 84, , GPS reading T17N R78W S10; also S11 41.4629 -106.1398 WGS 84 GPS reading Flowering and Fruiting N RM0076442 305 RM 726920 Lukas 2008 RM 927635 RM0087672 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-115160 Laura E. Lukas 6434 22 7 2008 U.S.A. Wyoming Carbon Medicine Bow Mountains: ca 0.5 air mi SW of Sevenmile Lake, along Sevenmile Creek, ca 10 air mi N on Centennial; ca 21 air mi S of Arlington. Park. 9759 ft. 41.4317° N, 106.1435° W; WGS 84, , GPS reading T17N R78W S22 41.4317 -106.1435 WGS 84 GPS reading Flowering and Fruiting RM0087672 306 RM 727087 Lukas 2008 RM 916741 RM0076441 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-116405 Laura E. Lukas 6601 23 7 2008 U.S.A. Wyoming Carbon Medicine Bow Mountains: area surrounding Lincoln Park Campground, ca 4 air mi N of Ryan Park; ca 16 air mi SE of Saratoga. Sagebrush steppe along road. 8030 ft. 41.3755° N, 106.5133° W; WGS 84, , GPS reading T16N R81W S5; also S8 and S9 41.3755 -106.5133 WGS 84 GPS reading Flowering N RM0076441 307 RM 727380 Lukas 2008 RM 916740 RM0076440 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-116412 Laura E. Lukas 6894 25 7 2008 U.S.A. Wyoming Carbon Medicine Bow Mountains: Sawmill Park, S of intersection of Forest roads 120 and 120.2F, ca 8 air mi SW of Arlington; ca 19 air mi NW of Centennial. Dry meadow uphill from park. 8905 ft. 41.5347° N, 106.3244° W; WGS 84, , GPS reading T18N R80W S13; also T18N R79W S18 41.5347 -106.3244 WGS 84 GPS reading Flowering N RM0076440 308 RM 727503 Lukas 2008 RM 916739 RM0076439 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-115169 Laura E. Lukas 7017 28 7 2008 U.S.A. Wyoming Carbon Medicine Bow Mountains: Mill Creek along Forest Road 241, near intersection with Forest Road 200.3G, ca 17 air mi W of Centennial; ca 2 air mi N of Ryan Park. Mixed conifer forest. 8712 ft. 41.3452° N, 106.4762° W; WGS 84, , GPS reading T16N R81W S15; also S22 41.3452 -106.4762 WGS 84 GPS reading Flowering N RM0076439 309 RM 727613 Lukas 2008 RM 916738 RM0076438 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-116660 Laura E. Lukas 7127 30 7 2008 U.S.A. Wyoming Carbon Medicine Bow Mountains: Lime Kiln Park, SW of Forest Road 261 (Cedar Pass Road), ca 14 air mi E of Saratoga; ca 7 air mi N of Ryan Park. Dry park. 8815 ft. 41.4277° N, 106.5354° W; WGS 84, , GPS reading T17N R81W S19; also S20 41.4277 -106.5354 WGS 84 GPS reading Flowering N RM0076438 310 RM 727733 Lukas 2008 RM 916737 RM0076437 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-116665 Laura E. Lukas 7247 30 7 2008 U.S.A. Wyoming Carbon Medicine Bow Mountains: vicinity of Pass Creek, S of intersection of Forest Road 261 (Cedar Pass Road) and Forest Road 134, ca 18 air mi E of Saratoga; ca 15 air mi SW of Arlington. Meadow uphill from creek, scattered pines. 8367 ft. 41.4837° N, 106.4533° W; WGS 84, , GPS reading T17N R81W S1; also T18N R81W S36 41.4837 -106.4533 WGS 84 GPS reading Flowering N RM0076437 311 RM 728324 Lukas 2008 RM 916736 RM0076436 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-116318 Laura E. Lukas 7838 11 8 2008 U.S.A. Wyoming Carbon Medicine Bow Mountains: wetlands S of Forest Road 101 (Sand Lake Road), ca 1 air mi S of intersection with Forest Road 104, ca 40 air mi WNW of Laramie; ca 10 air mi SW of Arlington. Park and open forest. 9146 ft. 41.4825° N, 106.3262° W; WGS 84, , GPS reading T17N R80W S1 41.4825 -106.3262 WGS 84 GPS reading Flowering N RM0076436 312 RM 728567 Lukas 2008 RM 916732 RM0076432 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-116334 Laura E. Lukas 8081 13 8 2008 U.S.A. Wyoming Albany Medicine Bow Mountains: Game and Fish Trail 386 W, on west slope of Sheep Mountain, ca 27 air mi W of Laramie; ca 4 air mi NW of Woods Landing. Draw with aspen overstory in sagebrush steppe. 8072 ft. 41.1416° N, 106.0682° W; WGS 84, , GPS reading T14N R77W S20; also S21 41.1416 -106.0682 WGS 84 GPS reading Flowering N RM0076432 313 RM 728882 Lukas 2008 RM 916735 RM0076435 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-116349 Laura E. Lukas 8396 Bernadette Kuhn 23 8 2008 U.S.A. Wyoming Albany Medicine Bow Mountains: Sheep Mountain, along Trail 386 (Sheep Mountain Trail), near top of Chokecherry Creek, ca 23 air mi WSW of Laramie; ca 7 air mi SE of Centennial. Mixed conifer forest with open canopy in gravelly granite soil. 9209 ft. 41.2439° N, 106.0319° W; WGS 84, , GPS reading T15N R77W S27 41.2439 -106.0319 WGS 84 GPS reading Flowering N RM0076435 314 RM 728968 Lukas 2008 RM 916734 RM0076434 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-116352 Laura E. Lukas 8482 Bernadette Kuhn 23 8 2008 U.S.A. Wyoming Albany Medicine Bow Mountains: Sheep Mountain, starting at Trail 386 (Sheep Mountain Trail) along Johns Creek and ending at top of ridge, ca 23 air mi WSW of Laramie; ca 7 air mi SE of Centennial. Mixed conifer forest, along creek. 9069 ft. 41.2507° N, 106.0399° W; WGS 84, , GPS reading T15N R77W S28; also S21 41.2507 -106.0399 WGS 84 GPS reading Flowering N RM0076434 315 RM 729075 Lukas 2008 RM 916733 RM0076433 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-116358 Laura E. Lukas 8589 31 8 2008 U.S.A. Wyoming Carbon Medicine Bow Mountains: North Fork Rock Creek, ca 1 air mi W of intersection of Forest Road 101 (Sand Lake Road) and Forest Road 101E, ca 12 air mi NNW of Centennial; ca 9 air mi S of Arlington. Edge of conifer forest and fen. 9732 ft. 41.459° N, 106.2326° W; WGS 84, , GPS reading T17N R79W S11; also S1 41.459 -106.2326 WGS 84 GPS reading Flowering N RM0076433 316 RM 731255 So Rocky Mts RM 178281 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 12. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil
Annotated by David J. Keil in 2003. RM-72331 George E. Osterhout 3805 15 8 1908 U.S.A. Colorado Larimer Mount Cameron. Flowering N N 317 RM 732586 Lukas BLM RM 929556 RM0090388 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-119385 Laura E. Lukas 9793 7 7 2009 U.S.A. Wyoming Carbon Medicine Bow Mountains: along French Creek, just S and SW of intersection of County Road 660 (French/Holmes Road) and BLM Road 3404, ca 33 air mi ESE of Encampment. Along creek, sagebrush hills. 7745 ft. 41.211° N, 106.5234° W; NAD 83, , GPS reading T14N R81W S5 41.211 -106.5234 NAD 83 GPS reading Flowering N RM0090388 318 RM 732857 Lukas BLM RM 929555 RM0090387 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-119398 Laura E. Lukas 10064 13 7 2009 U.S.A. Wyoming Carbon Medicine Bow Mountains: W of the Platte River Wilderness, just W and SW of Elkhorn Point, ca 20 air mi SE of Encampment and ca 4 air mi N of Colorado. Sagebrush hills. 7717 ft. 41.059° N, 106.42° W; NAD 83, , GPS reading T13N R80W S30 41.059 -106.42 NAD 83 GPS reading Flowering N RM0090387 319 RM 732940 Lukas BLM RM 929554 RM0090386 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-119400 Laura E. Lukas 10147 13 7 2009 U.S.A. Wyoming Carbon Medicine Bow Mountains: W of Platte River Wilderness, just NW of Elkhorn Point, ca 20 air mi SE of Encampment and ca 5 air mi N of Colorado. Aspen and Douglas fir groves among sagebrush hills. 8353 8459 ft. 41.0717° N, 106.4251° W to 41.0784° N, 106.4204° W; NAD 83, , GPS reading T13N R80W S19 41.0717 -106.4251 NAD 83 GPS reading Flowering N RM0090386 320 RM 733256 Lukas BLM RM 916715 RM0076460 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-119411 Laura E. Lukas 10463 20 7 2009 U.S.A. Wyoming Carbon Medicine Bow Mountains: just S of I-80, Wagonhound Road and Bear Creek, ca 3.5 air mi NW of exit 267 (Wagonhound) and ca 4 air mi SE of Elk Mountain (town). Stream banks in sagebrush hills. 7505 ft. 41.6545° N, 106.3471° W; NAD 83, , GPS reading T19N R80W S2 41.6545 -106.3471 NAD 83 GPS reading Flowering N RM0076460 321 RM 733914 Lukas BLM RM 929553 RM0090385 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-119452 Laura E. Lukas 11120 24 8 2009 U.S.A. Wyoming Carbon Medicine Bow Mountains: area between Bitter and Cedar creeks, along BLM Road 3417, ca 11 air mi E of Saratoga and ca 10 air mi NW of Ryan Park. Aspen forest in drainage surrounded by sagebrush hills. 8288 ft. 41.4494° N, 106.5844° W; NAD 83, , GPS reading T17N R82W S14; also S15 41.4494 -106.5844 NAD 83 GPS reading Flowering N RM0090385 322 RM 775899 Heidel 2009 RM 841592 RM0047660 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-132572 Bonnie Heidel 3365 30 7 2009 U.S.A. Wyoming Carbon Sierra Madre: west side of Battle Mountain, ca 9 air mi E of Savery. Dry gravelly sagebrush steppe within mixed shrubland, west aspect, 5% slope, with Artemisia tridentata, Purshia tridentata, Festuca idahoensis. 7280 ft. T12N R88W S5 SE1/4 Flowering N RM0047660 N 323 RM 784286 Kirkpatrick, Michael 2010 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-127424 Michael K. Kirkpatrick 2584 8 7 2010 U.S.A. Colorado Summit Gore Range: Arapaho National Forest: North Rock Creek near boundary of Eagles Nest Wilderness, ca 7 air mi NW of Silverthorne and ca 9 air mi SSE of Green Mountain Reservoir. Mixed conifer forest and openings. 9480 9620 ft. 39.7108° N, 106.1673° W to 39.7035° N, 106.1702° W; NAD 83, , GPS reading T4S R78W S18 W1/2 39.7108 -106.1673 NAD 83 GPS reading Flowering N 324 RM 784916 Kirkpatrick, Michael 2010 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-127443 Michael K. Kirkpatrick 3214 23 7 2010 U.S.A. Colorado Summit Gore Range: Arapaho National Forest: Buffalo Mountain Trail along Ryan Gulch below Eagles Nest Wilderness , ca 2.5 air mi WSW of Silverthorne. Dry lodgepole pine forest and meadow openings. 9760 10400 ft. 39.6204° N, 106.11° W to 39.6204° N, 106.123° W; NAD 83, , GPS reading T5S R78W S15 NW1/4 39.6204 -106.11 NAD 83 GPS reading Flowering N 325 RM 785574 Kirkpatrick, Michael 2010 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-127481 Michael K. Kirkpatrick 3872 4 8 2010 U.S.A. Colorado Summit Williams Fork Mountains: Arapaho National Forest: Cottonwood Gulch, ca 3 air mi E of Green Mountain Reservoir and 4 air mi ENE of Heeney. Drainage flanked by aspen and Douglas fir. 8800 9240 ft. 39.88° N, 106.2428° W; NAD 83, , GPS reading T2S R79W S16 N1/2 39.88 -106.2428 NAD 83 GPS reading Flowering N 326 RM 827262 Kirkpatrick, Michael 2011 USFS 898331 USFS0060048 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-144562 B. E. Nelson 83408 25 7 2011 U.S.A. Colorado Summit Gore Range: Arapaho National Forest: Eagles Nest Wilderness: from ca 1 air mi N of Surprise Lake N to the wilderness boundary just S of Cataract Creek, ca 18.5-19 air mi NW of Silverthorne at I-70. Aspen forest with subalpine fir. 8700 9350 ft. 39.8257° N, 106.306° W to 39.8346° N, 106.3101° W; NAD 83, , GPS reading T3S R80W S1 NW1/4; also T2S R80W S36 SW1/4; also E1/2 S35 39.8257 -106.306 NAD 83 GPS reading Flowering N USFS0060048 327 RM 827550 Kirkpatrick, Michael 2011 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-144755 B. E. Nelson 83694 16 8 2011 U.S.A. Colorado Grand Gore Range: from the end of Dice Hill or BLM Road 2750, ca 3/4 mi S to Dice Hill, ca 8-9 air mi SSW of Kremmling. Second growth lodgepole pine with scattered spruce-fir-Douglas fir-aspen. 9640 9700 ft. 39.9468° N, 106.4385° W to 39.9387° N, 106.4413° W; NAD 83, , GPS reading T1S R81W S27 E1/2 39.9468 -106.4385 NAD 83 GPS reading Flowering N 328 RM 827685 Kirkpatrick, Michael 2011 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-144762 B. E. Nelson 83829 17 8 2011 U.S.A. Colorado Summit Gore Range: Arapaho National Forest: along Forest Road 1832, ca 2 air mi ENE of Sheep Mountain, ca 25.5 air mi NW of Silverthorne at I-70. Open aspen forest with scattered lodgepole pine and fir. 9420 ft. 39.893° N, 106.4038° W; NAD 83, , GPS reading T2S R81W S13 NE1/4 39.893 -106.4038 NAD 83 GPS reading Flowering and Fruiting N 329 RM 827736 Kirkpatrick, Michael 2011 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-144767 B. E. Nelson 83880 22 8 2011 U.S.A. Colorado Summit Williams Fork Mountains: Arapaho National Forest: lower end of Miller Gulch above Green Mountain Reservoir and Colo Hwy 9, ca 18 air mi NNW of Silverthorne at I-70. Open Douglas fir on northerly-facing slope on shaly clay 7950 8200 ft. 39.8539° N, 106.2351° W; NAD 83, , GPS reading T2S R79W S28 NE1/4 39.8539 -106.2351 NAD 83 GPS reading Flowering N 330 RM 827816 Kirkpatrick, Michael 2011 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-144775 B. E. Nelson 83960 22 8 2011 U.S.A. Colorado Eagle Gore Range: White River National Forest: Elliott Ridge from ca 1/3 mi S of the trailhead at Blue Lake to the first saddle, ca 13-13.5 air mi N of Vail. Dry, rocky slopes. 11200 11360 ft. 39.8354° N, 106.4214° W to 39.8313° N, 106.4154° W; NAD 83, , GPS reading T3S R81W S2 N1/2 39.8313 -106.4154 NAD 83 GPS reading Flowering and Fruiting N 331 RM 835798 Blue Valley Ranch RM 828119 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-149063 Jeanette Flaig 8177 16 7 2008 U.S.A. Colorado Grand Blue Valley Ranch. Mixed conifer forest with opening and scattered aspen along road. 8636 ft. zone 13, 376964E, 4426332N; unknown, Specimen Label Fruiting N N 332 RM 835957 Blue Valley Ranch RM 908255 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-149109 Jeanette Flaig 8840 28 7 2009 U.S.A. Colorado Grand Blue Valley Ranch: E of Colo Hwy 9; E of Derringer Loop. Aspen grove. 8711 ft. zone 13S, 389221E, 4424261N; unknown, Specimen Label T1S R80W S13 Flowering and Fruiting N N 333 RM 842945 Williams RM 960102 RM0215232 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-150370 Roger L. Williams 1676 7 9 2012 U.S.A. Wyoming Carbon Sierra Madre: Green Mountain Road, ca 8 air mi SW of Encampment. Dry roadside. 9300 ft. T13N R85W S12 41.1167 -106.8927 NAD 83 500 ft. N N Nat. Geog. TOPO! BEN Rare. Flowering and Fruiting N RM0215232 N 334 RM 870765 Kirkpatrick, Michael 2011 USFS USFS0060674 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-144775 B. E. Nelson 83960 22 8 2011 U.S.A. Colorado Eagle Gore Range: White River National Forest: Elliott Ridge from ca 1/3 mi S of the trailhead at Blue Lake to the first saddle, ca 13-13.5 air mi N of Vail. Dry, rocky slopes. 11200 11360 ft. 39.8354° N, 106.4214° W to 39.8313° N, 106.4154° W; NAD 83, , GPS reading T3S R81W S2 N1/2 39.8313 -106.4154 NAD 83 GPS reading Flowering and Fruiting N USFS0060674 335 RM 872705 Williams RM 959870 RM0214617 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-103266 Roger L. Williams 1730 3 8 1997 U.S.A. Wyoming Carbon Sierra Madre: North Fork Encampment River, ca 7 air mi SW of Encampment. Open dry flat. 8400 ft. T14N R85W S25 41.1552 -106.9062 NAD 83 700 ft. N N Nat. Geog. TOPO! BEN Rare; flowers violet. Flowering N RM0214617 N 336 RM 874194 Brummer 2010 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil. RM-129852 Lori E. Brummer 1079 26 7 2010 U.S.A. Colorado Montrose Uncompahgre Plateau: Uncompahgre National Forest: Windy Point and Iron Springs Mesa, Forest Road 507, ca 35 air mi W of Montrose. South-facing slopes with sandstone outcrops. 8550 9562 ft. 38.4566° N, 108.5355° W to 38.4622° N, 108.534° W; NAD 83, , GPS reading T48N R15W S5 NE1/4 38.4566 -108.5355 NAD 83 GPS reading Flowering and Fruiting N 337 RM 874506 Brummer 2010 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil. RM-129933 Lori E. Brummer 1379 30 7 2010 U.S.A. Colorado Mesa Battlement Mesa: Grand Mesa National Forest: Brush Creek Trail to Battlement Trail, ca 46 air mi NW of Grand Junction. Open meadow on south-facing slope. 8567 10200 ft. 39.3403° N, 107.8408° W to 39.3801° N, 107.8277° W to 39.3747° N, 107.8342° W; GPS reading T8S R93W S25 N1/2; also S24, S13, and S12 39.3403 -107.8408 NAD 83 GPS reading Flowering and Fruiting N 338 RM 879125 Brummer 2011 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil. RM-143963 Lori E. Brummer 5917 24 7 2011 U.S.A. Colorado Ouray Uncompahgre Plateau: above East Fork Spring Creek, off of Forest Road 532, 3.1 road mi N of Divide or Forest Road 402, ca 17 air mi SSW of Montrose. Subalpine meadow. 8810 9100 ft. 38.2623° N, 107.9988° W to 38.2461° N, 108.0019° W; NAD 83, , GPS reading T46N R10W S8 W1/2 38.2623 -107.9988 NAD 83 GPS reading Flowering N 339 RM 879435 Brummer 2011 RM Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil 1. Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil. RM-144060 Lori E. Brummer 6227 Joe E. Brummer 30 7 2011 U.S.A. Colorado Ouray Uncompahgre Plateau: Happy Canyon Rim, Forest Road 510.3C off of Dave Wood Road, ca 15 air mil SSW of Montrose. Ponderosa pine on sandstone pavement. 8320 8560 ft. 38.282° N, 107.9547° W to 38.2757° N, 107.9677° W; NAD 83, , GPS reading T47N R10W S33 SE1/4; also S34 38.282 -107.9547 NAD 83 GPS reading Flowering N 340 RM 883932 Williams RM 959890 RM0214637 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-157140 Roger L. Williams 1745 1 9 2014 U.S.A. Wyoming Carbon Sierra Madre: Jack Creek Road, ca 6 air mi WSW of Encampment. Mixed forest. 8800 ft. T14N R85W S13 41.1769 -106.9029 NAD 83 1 mi. N N Nat. Geog. TOPO! BEN Flowering and Fruiting N RM0214637 N 341 RM 96108 Chumley 1995 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-13895 Timothy W. Chumley 2181 21 7 1995 U.S.A. Colorado Teller East-central Colorado: Mosquito Range to Plains: Rampart Range: USFS Woodland Park Work Center, 1400 Rampart Range Road or County Road 22, ca 2 road mi N of intersection with U.S. Hwy 24, ca 2 air mi N of Woodland Park. On slopes in open ponderosa pine forest. 8420 8560 ft. 39.0202° N, 105.0451° W; uncertainty 1 mi. T12S R68W S7 SW1/4 39.0202 -105.0451 1 mi. Flowering N N 342 RM 96949 Chumley 1995 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-13908 Timothy W. Chumley 2998 8 8 1995 U.S.A. Colorado Douglas East-central Colorado: Mosquito Range to Plains: Rampart Range: along Jackson Creek, ca 1 air mi N of intersection of Forest Road 300 or Rampart Range Road and Forest Road 507 or Jackson Creek Road, ca 17 air mi N of Woodland Park. In an open, grassy flat adjacent to the creek. 8200 8600 ft. 39.2511° N, 105.1012° W; uncertainty 1 mi. T9S R69W S22 SE1/4 39.2511 -105.1012 1 mi. Flowering N N 343 RM 9983 Taylor, Amy 1996 Asteraceae Cirsium clavatum (M. E. Jones) Petr. var. americanum (A. Gray) D. J. Keil RM-601 B. E. Nelson 39384 Amy J. Roderick 30 7 1996 U.S.A. Wyoming Carbon [location and coordinates withheld] Under limber pine. 9540 ft. Flowering N N