Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Ryegrasses or Wild-ryes (genus Elymus) are noted by their evenly spaced leaves and elongate, terminal inflorescence that recall cultivated rye or wheat. Each floret produces several long, skinny awns per the Vascular Plants of North Carolina website.
Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales
WEAKLEY'S FLORA (11/30/12):
Elymus repens
FAMILY
Poaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Elymus repens
FAMILY
Poaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (1968) 029-20-001:
Agropyron repens
FAMILY
Poaceae
SYNONYMOUS WITH
Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Agropyron repens
COMMON NAME:
Quackgrass, Dog-grass, Witchgrass
Click or hover over the thumbnails to see larger pictures.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_agre2_001_lvd
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USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950 pnd_agre2_003_lvd
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USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_elre4_002_lvd
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Dr. Lynn Clark and Anna Gardner, Iowa State University, Bugwood.org bug_1357001
Month Unknown
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Dr. Lynn Clark and Anna Gardner, Iowa State University, Bugwood.org bug_1357005
Month Unknown
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Steve Dewey, Utah State University, Bugwood.org bug_1459493
Month Unknown
With yellowish creeping rhizomes, per Manual of the Grasses of the United States.
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Steve Dewey, Utah State University, Bugwood.org bug_1459494
Month Unknown
Dense rhizomatous perennial. Blades to 3dm long, 3-16mm wide, per Vascular Flora of the Carolinas.
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Steve Dewey, Utah State University, Bugwood.org bug_1459495
Month Unknown
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Steve Dewey, Utah State University, Bugwood.org bug_1459498
Month Unknown
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Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org bug_1559008
Month Unknown
Green or glaucous, per Manual of the Grasses of the United States.
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Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org bug_1559037
Month Unknown
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Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org bug_1559039
Month Unknown
Spike 5-15cm long; spikelets mostly 4-6 flowered, 1-1.5cm long, per Manual of the Grasses of the United States.
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Julia Scher, Federal Noxious Weeds Disseminules, USDA APHIS ITP, Bugwood.org bug_5376440
Month Unknown
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Bruce Ackley, The Ohio State University, Bugwood.org bug_5438232
Month Unknown
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Bruce Ackley, The Ohio State University, Bugwood.org bug_5438236
Month Unknown
Nodes and internodes glabrous, per Vascular Flora of the Carolinas.