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Ambrosia trifida var. trifida Cronquist  
Go To Encyclopedia of Life...
Family: Asteraceae
Great Ragweed
[Ambrosia trifida var. integrifolia (Muhl. ex Willd.) Torr. & Gray]
Ambrosia trifida var. trifida image
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Ambrosia trifida var. trifida
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Ambrosia trifida var. trifida image
Ambrosia trifida var. trifida image
Ambrosia trifida var. trifida image
Ambrosia trifida var. trifida image
Ambrosia trifida var. trifida image
Ambrosia trifida var. trifida image
Ambrosia trifida var. trifida image
Ambrosia trifida var. trifida image
Ambrosia trifida var. trifida image
Ambrosia trifida var. trifida image
Ambrosia trifida var. trifida image
Ambrosia trifida var. trifida image
Ambrosia trifida var. trifida image
Ambrosia trifida var. trifida image
Ambrosia trifida var. trifida image
Ambrosia trifida var. trifida image
Mona Terwedow  
Ambrosia trifida var. trifida image
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18 Total Images
The National Science Foundation
This project made possible by National Science Foundation Award 1410069