Elymus repens

ClassificationMonocots
FamilyPoaceae
Family (Traditional)Poaceae
GenusElymus
Species:Elymus repens (L.) Gould
Common NameQuack Grass; Dog Grass; Witch Grass
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: 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
StatusNot 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.

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.

  • 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

Synonyms

SynonymFull 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.

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: APSC, BEREA, EKY, ETSU, KNK, MDKY, MEM, TENN, UCHT

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
31234100194891 Metcalfe Kentucky 30 Jun 1962 Elizabeth M. Browne
5720
EKY
Elytrigia repens
31234100767332 Madison Kentucky 15 Jul 2015 Thomas S. McFadden
122
EKY
Elytrigia repens
31234100194925 Fayette Kentucky 04 Jul 1962 Elizabeth M. Browne
5735
EKY
Elytrigia repens
BEREA006191 Madison Kentucky
BEREA
Elymus repens
N/A Carter Tennessee 12 Jul 2013 Frosty Levy
ETSU
Elymus repens
ETSU006792 Johnson Tennessee 06 Jul 2013 Frosty Levy
ETSU
Elymus repens
ETSU003461 Carter Tennessee 20 Sep 2013 Frosty Levy
ETSU
Elymus repens
ETSU003462 Washington Tennessee
ETSU
Agropyron repens
31973000021887 Pendleton Kentucky 25 Jun 2005 McKinney, Landon
9612
KNK
Elytrigia repens
31973000021883 Campbell Kentucky 15 Jun 1980 Buddell, George
174
KNK
Elytrigia repens
31973000021879 Grant Kentucky 14 Jun 1997 Buddell, George
7974
KNK
Elytrigia repens
MDKY00003927 Rowan Kentucky
MDKY
Agropyron repens
TENN-V-0035899 Knox Tennessee
TENN
Agropyron repens
TENN-V-0035904 Williamson Tennessee
TENN
Agropyron repens
31234100194909 Harlan Kentucky 03 Jul 1978 J. Stuart Lassetter
3032
EKY
Elytrigia repens
31234100194917 Fayette Kentucky 16 Jun 1975 William H. Martin
EKY
Elytrigia repens
BEREA006193 Rockcastle Kentucky
BEREA
Elymus repens
BEREA006192 Madison Kentucky
BEREA
Elymus repens
BEREA006190 Madison Kentucky
BEREA
Elymus repens
BEREA006189 Bell Kentucky
BEREA
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
31973000021880 Grant Kentucky 14 Jun 1997 Buddell, George
7974
KNK
Elytrigia repens
31973000021885 Lewis Kentucky 17 Jul 1983 Buddell, George
3087
KNK
Elytrigia repens
TENN-V-0035897 Carter Tennessee
TENN
Agropyron repens
TENN-V-0035900 Knox Tennessee
TENN
Agropyron repens
TENN-V-0035902 Sullivan Tennessee
TENN
Agropyron repens
TENN-V-0035903 Sullivan Tennessee
TENN
Agropyron repens
TENN-V-0035896 Blount Tennessee
TENN
Agropyron repens
APSC0098255 Campbell Kentucky
APSC
Elymus repens
APSC0098256 Meade Kentucky
APSC
Elymus repens
APSC0098259 Jefferson Kentucky
APSC
Elymus repens
APSC0098263 Graves Kentucky
APSC
Elymus repens
APSC0071008 Shelby Kentucky
APSC
Elymus repens
APSC0094039 Jefferson Kentucky
APSC
Elymus repens
APSC0098262 Jefferson Kentucky
APSC
Elymus repens
APSC0098257 Jefferson Kentucky
APSC
Elymus repens
APSC0076533 Jefferson Kentucky
APSC
Elymus repens
BEREA025918 Madison Kentucky
BEREA
Elymus repens
ETSU032643 Johnson Tennessee
ETSU
Elymus repens
ETSU032649 Johnson Tennessee
ETSU
Elymus repens
ETSU032627 Johnson Tennessee
ETSU
Elymus repens
MEM009430 Warren Kentucky 22 Jun 1971 Kenneth A. Nicely
3396
MEM
Elymus repens
MEM005853 Shelby Tennessee 09 May 1970 Elizabeth M. Browne, Edward T. Browne Jr.
70E6.1
MEM
Elymus repens
TENN-V-0035901 Smith Tennessee
TENN
Agropyron repens
TENN-V-0035905 Williamson Tennessee
TENN
Agropyron repens
TENN-V-0035898 Fentress Tennessee
TENN
Agropyron repens
ETSU032657 Johnson Tennessee
ETSU
Elymus repens
ETSU032642 Johnson Tennessee
ETSU
Elymus repens
MEM008689 McCracken Kentucky 07 Jun 1970 Raymond Athey
988
MEM
Elymus repens
MEM006828 Graves Kentucky 02 Jun 1972 Raymond Athey
1777
MEM
Elymus repens
UCHT043619 Jefferson Kentucky
UCHT
Elymus repens
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Plant Photos

Elymus repens - Dwayne Estes
Elymus repens - Dwayne Estes
Elymus repens - Dwayne Estes
Elymus repens - Dwayne Estes
Elymus repens - Dwayne Estes
Elymus repens - Dwayne Estes
Elymus repens - Dwayne Estes
Elymus repens - Dwayne Estes
Elymus repens - Dwayne Estes
Elymus repens - Dwayne Estes
Elymus repens - Dwayne Estes
Elymus repens - Dwayne Estes
Elymus repens - Theo Witsell
Elymus repens - Theo Witsell
Elymus repens - Theo Witsell
Elymus repens - Theo Witsell