Penstemon petiolatus Brandeg.  
Family: Plantaginaceae
Crevice Beardtongue,  more...
Penstemon petiolatus image
Walter Fertig  
Penstemon petiolatus
Penstemon petiolatus image
Bryant  
Penstemon petiolatus image
Walter Fertig  
Penstemon petiolatus image
Walter Fertig  
Penstemon petiolatus image
Walter Fertig  
The National Science Foundation
This project made possible by National Science Foundation Award 1410069