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Keywords from Image Description:
Echinochloa cruspavonis HC. en Echinochloa cruspavonis from Hitchcock rev Chase Manual of the grasses of the United States USDA Miscellaneous Publication No Washington DC usda gov imageID eccravd tif Hitchcock rev Chase Template PDUSGovUSDANRCS PDUSGov Echinochloa cruspavonis Manual of the grasses of the United States