OBI - Robert F. Hoover Herbarium, Cal Poly State University (OBI)
OBI149313
f3302b03-7cf3-4059-ae11-05eccf7bd344
Cirsium undulatum (Nutt.) Spreng.
Asteraceae
Tom Schweich
2370
2020-06-20
20-Jun-20
United States, Colorado, Jefferson, Native and Naturalized Flora of the Golden Area, Jefferson County, Colorado. Colorado School of Mines Survey Field. Southern part of the Survey Field, high plains at the base of the Rocky Mountain Front Range, 3.15 km. south of the GNIS location of Golden.
39.73385157 -105.2232369 WGS 1984
39.73385157, -105.2232369
1850 meters (6068ft)
Northeast-facing gentle slope in foothills grassland.
Also collected or seen nearby: Opuntia macrorhiza, Hymenopappus filifolius, Aegilops cylindrica, and Poa bulbosa.
The common native thistle in Jefferson County, Colorado.