Opuntia viridiflora Britton & Rose  
Family: Cactaceae
Opuntia viridiflora image
© Smithsonian Institution, National Museum of Natural History,  
Opuntia viridiflora
Opuntia viridiflora image
© Michael Pascoe  
Opuntia viridiflora image
© Michael Pascoe  
The National Science Foundation
This project made possible by National Science Foundation Award 1410069