Echinochloa muricata var. microstachya Wiegand
Family: Poaceae
rough barnyard grass
[Echinochloa crus-galli var. frumentacea (L.) P.Beauv.,  more]
Echinochloa muricata var. microstachya image
from USDA Plants website  
Etymology: Echinochloa: Greek echinos for "hedgehog" and chloa for grass, referring to allusion of bristling awns
Plants: annual grass
Conservation Status: Native
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