Ambrosia cordifolia (A. Gray) W.W. Payne  
Family: Asteraceae
Sonoran bursage,  more...
[Franseria cordifolia A. Gray,  more]
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Thomas Van Devender  
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Thomas Van Devender  
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Liz Makings  
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Thomas Van Devender  
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Sue Carnahan  
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Thomas Van Devender  
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Sue Carnahan  
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Sue Carnahan  
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Stephen Hale  
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Stephen Hale  
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The National Science Foundation
This project made possible by National Science Foundation Award 1410069