Cirsium arizonicum var. bipinnatum (Eastwood) D. J. Keil   (redirected from: Cirsium calcareum (M.E. Jones) Woot. & Standl.)
Family: Asteraceae
Cainville thistle
[Carduus pulchellus Greene,  more]
Cirsium arizonicum var. bipinnatum image
Patrick Alexander  
The National Science Foundation
This project made possible by National Science Foundation Award 1410069