Aquatic and Wetland Vascular Plants of the Northern Great Plains
63. Poaceae, the Grass Family
11. Echinochloa Beauv. -- Barnyardgrass1. Echinochloa crusgalli (L.) Beauv.
Panicles green to purplish, seldom strongly purplish; hairs of the panicle branches, or at least some, as long as or longer than the spikelets (excluding awns, if present). Spikelets 3-5 mm long (excluding awns); sterile lemma awnless or with an awn to 4 cm or more long, awned and awnless sterile lemmas often occurring in the same panicle; fertile lemmas mostly elliptic, the firm shiny apex obtuse or broadly acute, sharply differentiated from the often shriveled beak, the lemma body and the beak separated by a line of minute hairs. Jul--Sep. Shores, wet meadows, ditches, stream banks, mud flats and other wet places; mainly in the e part but spreading w in the region; (Intro. from Europe, now occurring throughout much of s Can. and most of the U.S., s to Mex.).
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| Echinochloa crusgalli (from Hitchcock 1950). |
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