Elymus glabriflorus var. glabriflorus

Family (Traditional)Poaceae
Species: Elymus glabriflorus
Infraspecies:Elymus glabriflorus L. var. glabriflorus
Common NameAwnless Wildrye
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: North America; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; 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 4
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** 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.

  • State Boundaries
  • Counties
  • Counties - Species Present
  • 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


SynonymFull Citation
Elymus australis Elymus australis Scribn. & Ball
Elymus australis var. glabriflorus Elymus australis var. glabriflorus (Vasey ex L.H. Dewey) Wiegand
Elymus glabriflorus Elymus glabriflorus (Vasey ex L. H. Dewey) Scribn. & C. R. Ball
Elymus glabriflorus var. australis Elymus glabriflorus var. australis (Scribn. & Ball) J.J. Campbell
Elymus glabriflorus var. glabriflorus Elymus glabriflorus var. glabriflorus
Elymus virginicus var. australis Elymus virginicus var. australis (Scribn. & Ball) A.S. Hitchc.
Elymus virginicus var. glabriflorus Elymus virginicus var. glabriflorus (Vasey) Bush
Elymus virginicus var. glaucus Elymus virginicus var. glaucus Beal

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: Calloway (KY), Campbell (KY), Monroe (KY), Carter (TN), Johnson (TN), Unicoi (TN)

Herbaria represented by specimen data listed below: BEREA, ETSU, KNK

Range of years during which specimens were collected: 1998 - 2016

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
BEREA006153 Calloway Kentucky
Elymus glabriflorus
BEREA006155 Monroe Kentucky
Elymus glabriflorus
BEREA006154 Calloway Kentucky
Elymus glabriflorus
ETSU006787 Johnson Tennessee 01 Sep 2013 Frosty Levy
Elymus glabriflorus
N/A Unicoi Tennessee 25 Nov 2012 Frosty Levy
Elymus glabriflorus
N/A Unicoi Tennessee 18 Nov 2013 Frosty Levy
Elymus glabriflorus
ETSU005749 Unicoi Tennessee 09 Jul 2015 Frosty Levy
Elymus glabriflorus
N/A Carter Tennessee 21 Aug 2016 Frosty Levy
Elymus glabriflorus
ETSU006788 Carter Tennessee 31 Aug 2013 Frosty Levy
Elymus glabriflorus
31973000021801 Campbell Kentucky 17 Sep 1998 Naczi, Robert
Elymus glabriflorus
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