Elymus repens

Classification	Monocots
Family	Poaceae
Family (Traditional)	Poaceae
Genus	Elymus
Species:	Elymus repens (L.) Gould
Common Name	Quack Grass; Dog Grass; Witch Grass
Growth Habit	graminoid
Plant Notes	**
Characteristics	Armaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: graminoid; Region of Origin: Europe; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Leaf Arrangement: alternate; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: grass-like; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Green; Fruit Dehiscence: No; Fruit Type: Caryopsis; Fruit Type: Grain; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: N/A; Perianth Present: No; Placentation Type: Parietal; Placentation Type: Basal; Sexuality: monoclinous; Sporangium Arrangement: N/A
C value	N/A
Status	Not Native; AGCP (FACU), EMP (FACU) (NWPL); TN[SNA] KY[SNA] (State Rank); GNR (Global Rank)
Specimen(s)	View and Download Specimen Details »

** Not applicable or data not available.

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Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

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State Boundaries
Counties
Counties - Species Present

Ecoregions

Southeastern Plains
- Blackland Prarie
Blue Ridge Mountains
Ridge and Valley
Cumberland Plateau
Cumberland Mountains
Allegheny Plateau

Interior Plateau
- Bluegrass Region
- Nashville Basin
- Pennyroyal Karst Plain
- Western Highland Rim
- Eastern Highland Rim

Interior River Valleys and Hills
- Shawnee / Caseyville Hills
Mississippi Alluvial Plain
Mississippi Valley Loess Plains
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Synonyms (45)

Synonym	Full Citation
Agropyron junceum var. repens	Agropyron junceum var. repens (L.) M. Marsson
Agropyron repens	Agropyron repens (L.) Beauv.
Agropyron repens f. aristatum	Agropyron repens f. aristatum (Schumach.) Holmb.
Agropyron repens f. geniculatum	Agropyron repens f. geniculatum Farw.
Agropyron repens f. heberhachis	Agropyron repens f. heberhachis Fernald
Agropyron repens f. pilosum	Agropyron repens f. pilosum (Scribn.) Fernald
Agropyron repens f. repens	Agropyron repens f. repens (L.) P. Beauv.
Agropyron repens f. setiferum	Agropyron repens f. setiferum Fernald
Agropyron repens f. stoloniferum	Agropyron repens f. stoloniferum Farw.
Agropyron repens f. trichorrhachis	Agropyron repens f. trichorrhachis Rohlena
Agropyron repens f. vaillantianum	Agropyron repens f. vaillantianum (Wulfen & Schreb.) Fernald
Agropyron repens var. aristatum	Agropyron repens var. aristatum
Agropyron repens var. nemorale	Agropyron repens var. nemorale Andersson ex Farw.
Agropyron repens var. pilosum	Agropyron repens var. pilosum Scribn.
Agropyron repens var. pubescens	Agropyron repens var. pubescens (Döll) Tzvelev
Agropyron repens var. subulatum	Agropyron repens var. subulatum (Schreb.) Roemer & J.A. Schultes
Agropyron repens var. typicum	Agropyron repens var. typicum P.Candargy in P.Candargy
Agropyron repens var. vaillantianum	Agropyron repens var. vaillantianum (Wulfen & Schreb.) Roem. & Schult.
Agropyron repens var. vulgare	Agropyron repens var. vulgare Döll
Agropyron sachalinense	Agropyron sachalinense Honda
Elymus neogaeus	Elymus neogaeus Steud.
Elymus repens var. aristatus	Elymus repens var. aristatus (Schreb. ex Baumg.) Melderis & D.C. McClint.
Elytrigia repens	Elytrigia repens (L.) Desv. ex B.D. Jackson
Elytrigia repens subsp. caesia	Elytrigia repens subsp. caesia (J. Presl & C. Presl) Dostál
Elytrigia repens subsp. elongatiformis	Elytrigia repens subsp. elongatiformis (Drob.) Tzvelev
Elytrigia repens subsp. pseudocaesia	Elytrigia repens subsp. pseudocaesia (Pacz.) Tzvelev
Elytrigia repens var. aristata	Elytrigia repens var. aristata Prokudin
Elytrigia repens var. caesium	Elytrigia repens var. caesium (J. Presl & C. Presl) Prokudin
Elytrigia repens var. glauca	Elytrigia repens var. glauca (Döll) Tzvelev
Elytrigia repens var. pubescens	Elytrigia repens var. pubescens (Döll) Prokudin
Elytrigia repens var. subulatum	Elytrigia repens var. subulatum (Roem. & Schult.) Prokudin
Elytrigia repens var. vaillantiana	Elytrigia repens var. vaillantiana (Wulfen & Schreb.) Prokudin
Elytrigia repens var. vaillantianum	Elytrigia repens var. vaillantianum (Wulfen & Schreb.) Prokudin
Elytrigia vaillantiana	Elytrigia vaillantiana (Wulfen & Schreb.) Beetle
Elytrigia vaillantianum	Elytrigia vaillantianum (Wulfen & Schreb.) Beetle
Trisetum repens subsp. magellanicum	Trisetum repens subsp. magellanicum (E. Desv.) Macloskie
Triticum infestum	Triticum infestum Salisb.
Triticum repens	Triticum repens L.
Triticum repens f. pubescens	Triticum repens f. pubescens Döll
Triticum repens var. aristatum	Triticum repens var. aristatum Döll
Triticum repens var. caesium	Triticum repens var. caesium Döll
Triticum repens var. subulatum	Triticum repens var. subulatum (Roem. & Schult.) Nees
Triticum repens var. subvillosum	Triticum repens var. subvillosum Hook.
Triticum repens var. vulgare	Triticum repens var. vulgare Döll
Triticum vaillantianum	Triticum vaillantianum Wulfen & Schreb.

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Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Bell (KY), Campbell (KY), Fayette (KY), Grant (KY), Graves (KY), Harlan (KY), Jefferson (KY), Lewis (KY), McCracken (KY), Madison (KY), Meade (KY), Metcalfe (KY), Pendleton (KY), Rockcastle (KY), Rowan (KY), Shelby (KY), Warren (KY), Blount (TN), Carter (TN), Fentress (TN), Johnson (TN), Knox (TN), Shelby (TN), Smith (TN), Sullivan (TN), Washington (TN), Williamson (TN)

Herbaria represented by specimen data listed below: MDKY, MEM, KNK, UCHT, ETSU, APSC, EKY, BEREA, TENN

Range of years during which specimens were collected: 1962 - 2016

Accession No. (click for full details)	County	State	Coll. Date	Collector & Collection No.	Herbarium & Herbarium Name Used
BEREA006189	Bell	Kentucky			BEREA Elymus repens
TENN-V-0035896	Blount	Tennessee			TENN Agropyron repens
31973000021883	Campbell	Kentucky	15 Jun 1980	Buddell, George 174	KNK Elytrigia repens
APSC0098255	Campbell	Kentucky			APSC Elymus repens
N/A	Carter	Tennessee	12 Jul 2013	Frosty Levy	ETSU Elymus repens
ETSU003461	Carter	Tennessee	20 Sep 2013	Frosty Levy	ETSU Elymus repens
ETSU005903	Carter	Tennessee	09 Oct 2015	Frosty Levy	ETSU Elymus repens
N/A	Carter	Tennessee	02 Sep 2016	Frosty Levy	ETSU Elymus repens
TENN-V-0035897	Carter	Tennessee			TENN Agropyron repens
31234100194925	Fayette	Kentucky	04 Jul 1962	Elizabeth M. Browne 5735	EKY Elytrigia repens

Elymus repens

Related Links

Species Distribution Map

Ecoregions

Synonyms (45)

Specimens and Distribution

Plant Photos