Helianthus occidentalis Riddell  
Family: Asteraceae
Few-Leaf Sunflower,  more...
Helianthus occidentalis image
Paul Rothrock  
Helianthus occidentalis image
Paul Rothrock  
Helianthus occidentalis image
Paul Rothrock  
Helianthus occidentalis image
Paul Rothrock  
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
Helianthus occidentalis image
The National Science Foundation
This project made possible by National Science Foundation Award 1410069