Acroptilon repens (L.) Dc.  
Family: Asteraceae
Russian knapweed,  more...
[Centaurea picris Pallas ex Willd.,  more]
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Max Licher  
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Tony Frates  
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Max Licher  
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Max Licher  
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Max Licher  
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Max Licher  
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E. Makings  
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Max Licher  
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Patrick Alexander  
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Patrick Alexander  
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Patrick Alexander  
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Patrick Alexander  
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Tony Frates  
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Gregory Gust  
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Gregory Gust  
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Gregory Gust  
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Mona Terwedow  
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The National Science Foundation
This project made possible by National Science Foundation Award 1410069