Penstemon superbus A. Nels.  
Family: Plantaginaceae
Superb Beardtongue,  more...
Penstemon superbus image
Patrick Alexander  
Penstemon superbus image
Patrick Alexander  
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
Penstemon superbus image
The National Science Foundation
This project made possible by National Science Foundation Award 1410069