Cirsium arizonicum var. bipinnatum (Eastwood) D.J. Keil
Asteraceae
Ownbey, Gerald; Hsi, Yu-tseng [Eugene]
2645
1958-08-20
1958-8-20
United States, Colorado, Montezuma, Montezuma Co.: Northeastern escarpment of the Mesa Verde below and above the road to the summit;Mesa Verde National Park;;;
2316 meters
7600 ft
On steep, unstable slopes, gray soil apparently partly of shale