: 1.21 $2024-03-29T04:54:02-7:0034.201.173.244searchRMRM645289 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.18917Walter Fertig1999817229U.S.A.WyomingAlbanyLaramie Basin: south side of Laramie next to UBC Lumber yard, just N of I-80; ca 0.4 mi S of Spring Creek.-105.584241.29672195Weedy roadside at edge of vacant lot; with Melilotus and Cirsium arvense. Phenology: flowering & fruiting.RMRM764915 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.533Patricia P. Douglas B. E. Nelson, N. E. Hastings, R. M. Smith1995822234U.S.A.WyomingPlatteCamp Guernsey: along North Platte River, ca 3.5 km S of Baldy Mountain, ca 2.1 km NW of Impact Area.1353Locally common on river bank/floodplain with flat to slight slope in clay loam with Populus angustifolia, P. deltoides, Aster, and Bromus spp. Phenology: flowering & fruiting.RMRM574769 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.5374Robert D. Dorn1992912256U.S.A.WyomingPlatte-104.959642.41261402Seeded field with Agropyron cristatum. Phenology: flowering & fruiting.RMRM764647 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.9961Robert D. Dorn2004827240U.S.A.WyomingGoshenFort Laramie National Historic Site.-104.56166742.21310In thicket with Shepherdia and Ribes. Common; some plants 1.5m high; flowers purple. Phenology: flowering & fruiting.RMRM579371 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.13337Walter Fertig Jane Struttmann1992813226U.S.A.WyomingCarbonSeminoe Mountains: Hamilton Creek Canyon, ca 1.5 air mi W of Kortes Dam Camp and the North Platte River.-106.889742.19561951Dry, sandy roadbank in full sun. Phenology: flowering & fruiting.RMRM601388 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.15287Walter Fertig199483215U.S.A.WyomingPlatteHartville Uplift: Sunrise, roadbed on south rim of Sunrise open pit mine, ca 1 mi ENE of Hartville.-104.705142.32661493Disturbed roadbed and berm with Salsola, Verbascum, Melilotus. Phenology: flowering & fruiting.RMRM734254 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.18803William A. Weber1993822234U.S.A.ColoradoPitkinRoaring Fork Valley between Basalt and Aspen.In fields. Phenology: flowering & fruiting.RM Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.6064Jean Wood Linda Swartz199676188U.S.A.WashingtonStevensWestern Colville National Forest and Vicinity: Trombetta Canyon, ca 2 air mi S of Northport on Fivemile Creek.-117.76448.8998594Homestead meadow and creek. Phenology: flowering & fruiting.RMRM599166 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.27386B. E. Nelson1993726207U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Hartville Uplift: just N of Glendo Dam on Glendo Park Road, ca 4.2 air mi ESE of Glendo; ca 18.3 air mi NW of Guernsey.-104.957542.484714631493Ponderosa pine woodland with small grassland or sandstone pavement clearings. 1 of 2 sheets Phenology: flowering.RMRM599165 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.27513B. E. Nelson1993726207U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Hartville Uplift: along Patten Creek ca 0.5 mi W of Wyo Hwy 270 on Patten Creek or County Road 208, ca 16 air mi ESE of Glendo; ca 12.3 air mi N of Guernsey.-104.740842.442815301536Overflow areas and vernal pools in creek bottom. Phenology: flowering.RMRM654634 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.32644B. E. Nelson1994711192U.S.A.WyomingGoshenSouthern Powder River Basin/Southeastern Plains: Hartville Uplift: along a draw leading into Rawhide Creek ca 1 mi W of Middle Rawhide Butte, ca 11 air mi NW of Jay Em; ca 38.5 air mi NW of Torrington.-104.522442.569915391573Stony slopes along a draw. Phenology: flowering.RMRM654471 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.33592B. E. Nelson David Reilly199488220U.S.A.WyomingGoshenSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: Fort Laramie National Historic Site: along the Laramie River W of the fort ca 2.5 air mi WSW of Fort Laramie (town); ca 21.5 air mi WNW of Torrington.-104.560842.20251289Gravelly flood plain with scattered trees. Phenology: flowering & fruiting.RMRM654635 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.34263B. E. Nelson1994823235U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: ca 0.5 mi S of Horseshoe Creek along Horseshoe Creek or County Road 59 ca 15.5 air mi SW of Glendo; ca 27.5 air mi NNW of Wheatland.-105.137542.442614871512At the edge of pavement and on the right-of-way. Phenology: flowering.RMRM654636 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.34476B. E. Nelson1994824236U.S.A.WyomingNiobraraSouthern Powder River Basin/Southeastern Plains: Southeastern Plains: along Muddy Creek off Spanish Diggings or County Road 34 ca 3 air mi E of Converse County, ca 13.8 air mi SW of Manville, ca 20.5 air mi WSW of Lusk.-104.830642.655714871506Bushes and meadows in the stream bottom. Phenology: flowering & fruiting.RMRM Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.8434Joseph L. M. Charboneau2011731212U.S.A.MontanaPhillipsBowdoin National Wildlife Refuge: along Refuge Tour Road, near Black Coulee Pond, ca 6 air mi NW of Le Noir Reservoir, ca 3.5 air mi E of the Milk River, ca 7 air mi ENE of Malta.-107.735248.3844682689Wetlands interspersed with groves of cottonwood and Russian olive and chokecherry-willow thickets. Phenology: flowering & fruiting.RMRM Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.11797Lori E. Brummer2012913257U.S.A.ColoradoOurayUncompahgre River Valley: along County Road 23, ca 1.5 air mi S of Ridgway.-107.748338.12452177Roadside in mountain shrub/sagebrush mix. Phenology: flowering & fruiting.RMRM958325 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.12175Robert D. Dorn2018731212U.S.A.South DakotaPenningtonCa 3 mi SE of Hill City.-103.53543.8983331554Roadside with Cirsium and Bromus. Flowers purple; plant 1m high. Phenology: flowering & fruiting.RMRM961503 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.235Nancy E. Hastings P. Block200772183U.S.A.WyomingPlatteCamp Guernsey: ranch parcel small canyon drainage; south end of transect ca 2.9 km due N of Range Control, ca 6.4 km NE of Guernsey Reservoir.1445Level to sloping on each side of drainage; grassland in canyon drainage; silty loam; with Hesperostipa comata, Agropyron cristatum, Pascopyrum smithii, Achillea millefolium, Bromus japonicus, B. inermis. Scattered; erect, perennial herb; 1 m tall; corolla magenta. Sheet 2 of 2 Phenology: vegetative only.RMRM961504 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.235Nancy E. Hastings P. Block200772183U.S.A.WyomingPlatteCamp Guernsey: ranch parcel small canyon drainage; south end of transect ca 2.9 km due N of Range Control, ca 6.4 km NE of Guernsey Reservoir.1445Level to sloping on each side of drainage; grassland in canyon drainage; silty loam; with Hesperostipa comata, Agropyron cristatum, Pascopyrum smithii, Achillea millefolium, Bromus japonicus, B. inermis. Scattered; erect, perennial herb; 1 m tall; corolla magenta. Sheet 1 of 2 Phenology: flowering.RMRM599167 Carduus acanthoidesphysical specimenAsteraceaeCarduusacanthoidesL.27386B. E. Nelson1993726207U.S.A.WyomingPlatteSouthern Powder River Basin/Southeastern Plains: Hartville Uplift: just N of Glendo Dam on Glendo Park Road, ca 4.2 air mi ESE of Glendo; ca 18.3 air mi NW of Guernsey.-104.957542.484714631493Ponderosa pine woodland with small grassland or sandstone pavement clearings. 2 of 2 sheets Phenology: flowering.36003,1,0true