Cirsium undulatum (Nutt.) Spreng.  
Family: Asteraceae
Wavy-Leaf Thistle,  more...
[Cnicus undulatus (Nutt.) A.Gray]
Cirsium undulatum image
Tony Frates  
Cirsium undulatum image
Tony Frates  
Cirsium undulatum image
Tony Frates  
Cirsium undulatum image
Tony Frates  
Cirsium undulatum image
Patrick Alexander  
Cirsium undulatum image
Patrick Alexander  
Cirsium undulatum image
Patrick Alexander  
Cirsium undulatum image
Patrick Alexander  
Cirsium undulatum image
Thomas Van Devender  
Cirsium undulatum image
Gil-M., E.  
Cirsium undulatum image
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The National Science Foundation
This project made possible by National Science Foundation Award 1410069