Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales
Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Quackgrass, Dog-grass, Witchgrass
Click or hover over the thumbnails to see larger pictures.
Steve Dewey, Utah State University, Bugwood.org bug_1459493
With yellowish creeping rhizomes, per Manual of the Grasses of the United States.
Steve Dewey, Utah State University, Bugwood.org bug_1459494
Dense rhizomatous perennial. Blades to 3dm long, 3-16mm wide, per Vascular Flora of the Carolinas.
Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org bug_1559008
Green or glaucous, per Manual of the Grasses of the United States.
Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org bug_1559039
Spike 5-15cm long; spikelets mostly 4-6 flowered, 1-1.5cm long, per Manual of the Grasses of the United States.
Julia Scher, Federal Noxious Weeds Disseminules, USDA APHIS ITP, Bugwood.org bug_5376440
Bruce Ackley, The Ohio State University, Bugwood.org bug_5438236
Nodes and internodes glabrous, per Vascular Flora of the Carolinas.