Echinocereus engelmannii (Parry ex Engelm.) Lem.  
Family: Cactaceae
Engelmann's hedgehog cactus,  more...
[Echinocereus decumbens Clover & Jotter,  more]
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Anthony Mendoza  
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Anthony Mendoza  
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Sue Carnahan  
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Zachery Berry  
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Thomas Van Devender  
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Sue Carnahan  
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Julia Fonseca  
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Zachery Berry  
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Sue Carnahan  
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Thomas Van Devender  
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Zachery Berry  
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Thomas Van Devender  
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Chris Roll  
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Tony Frates  
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The National Science Foundation
This project made possible by National Science Foundation Award 1410069