Sclerocactus glaucus (J.A. Purpus ex K. Schum.) L.D. Benson  
Family: Cactaceae
Uinta Basin Hookless Cactus,  more...
[Echinocactus subglacus Rydb.,  more]
Sclerocactus glaucus image
Photo ©Al Schneider, swcoloradowildflowers.com  
Sclerocactus glaucus
Sclerocactus glaucus image
Photo ©Al Schneider, swcoloradowildflowers.com  
The National Science Foundation
This project made possible by National Science Foundation Award 1410069