Family: Poaceae Grass Family
Plant group comprising one of the largest families of flowering plants. Formerly referred to as Graminae.
Genus: Elymus Wildrye
About 50 species of perennial forage grasses native to temperate and cool parts of the Northern Hemisphere. Tribe Triticeae.
Scientific Name: Elymus repens (L.) Gould
Common Name(s): Quackgrass, Couchgrass, Sand Lovegrass, Creeping Quackgrass, Coutch, Dog grass, Quick grass, Scutch, Twitch grass
Growth Type: perennial
Species Description: An introduced perennial cool season perennial rhizomatous grass. A weed in pastures and crops although it has been utilized as a forage grass. Formerly classified as [Agropyron repens].
Click on the thumbnails to view large image.
 | Caption: Quackgrass with maturing inflorescence and the dense branching rhizomes of a quackgrass plant.
ID: Hrb-AGRRE-020
Source: 35mm slide (photo)
Credit:
Keyword(s): flowering, inflorescence, root
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 | Caption: A quackgrass seedling approximately 3 inches in height.
ID: Hrb-AGRRE-021
Source: 35mm slide (photo)
Credit:
Keyword(s): seedling
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 | Caption: Dense cluster of quackgrass.
ID: Hrb-AGRRE-008
Source: 35mm slide (photo)
Credit:
Keyword(s): flowering, inflorescence
|
 | Caption: Drawing of quackgrass showing the membranous ligule.
ID: Hrb-AGRRE-002
Source: 35mm slide (illustration)
Credit:
Keyword(s): leaf, seedling
|
 | Caption: Growth habit of quackgrass.
ID: Hrb-AGRRE-003
Source: 35mm slide (illustration)
Credit:
Keyword(s): flowering, mature
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 | Caption: Illustration of quackgrass detailing its leaf, membranous ligules, auricles, and hairy sheath
ID: Hrb-AGRRE-019
Source: 35mm slide (illustration)
Credit:
Keyword(s): leaf
|
 | Caption: Illustration of quackgrass detailing the inflorescence and its rhizomatous growth habit.
ID: Hrb-AGRRE-001
Source: 35mm slide (illustration)
Credit:
Keyword(s): inflorescence, mature, root
|
 | Caption: Illustration of quackgrass detailing the membranous ligule, auricles, inflorescence and its rhizomatous growth habit.
ID: Hrb-AGRRE-004
Source: 35mm slide (illustration)
Credit:
Keyword(s): inflorescence, leaf, mature, root
|
 | Caption: Quackgrass and its spreading, branching rhizomes.
ID: Hrb-AGRRE-018
Source: 35mm slide (illustration)
Credit:
Keyword(s): root, vegetative
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 | Caption: Quackgrass in its vegetative state and a mature quackgrass inflorescence.
ID: Hrb-AGRRE-017
Source: 35mm slide (illustration)
Credit:
Keyword(s): inflorescence, mature, vegetative
|
 | Caption: Quackgrass leaves, membranous ligules, and auricles.
ID: Hrb-AGRRE-016
Source: 35mm slide (photo)
Credit:
Keyword(s): leaf
|
 | Caption: Quackgrass seedling approximately 2.5 inches tall.
ID: Hrb-AGRRE-006
Source: 35mm slide (photo)
Credit:
Keyword(s): seedling
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 | Caption: Quackgrass seeds.
ID: Hrb-AGRRE-010
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
|
 | Caption: Quackgrass seeds.
ID: Hrb-AGRRE-011
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
|
 | Caption: Quackgrass seeds.
ID: Hrb-AGRRE-012
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
|
 | Caption: Quackgrass seeds.
ID: Hrb-AGRRE-013
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
|
 | Caption: Quackgrass spikelet and individual florets.
ID: Hrb-AGRRE-009
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
|
 | Caption: Quackgrass spikelets.
ID: Hrb-AGRRE-014
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
|
 | Caption: Quakgrass seeds.
ID: Hrb-AGRRE-007
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
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 | Caption: Seed of quackgrass.
ID: Hrb-AGRRE-005
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
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 | Caption: The leaf collar, auricles and open sheath of quackgrass.
ID: Hrb-AGRRE-022
Source: 35mm slide (photo)
Credit:
Keyword(s): leaf
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 | Caption: Vegetative quackgrass with rhizome.
ID: Hrb-AGRRE-015
Source: 35mm slide (photo)
Credit:
Keyword(s): root, vegetative
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