Penstemon discolor Keck  
Family: Plantaginaceae
Catalina Beardtongue
Penstemon discolor image
Frank Reichenbacher  
Penstemon discolor
Penstemon discolor image
Frank Reichenbacher  
Penstemon discolor image
Teague Embrey  
The National Science Foundation
This project made possible by National Science Foundation Award 1410069