Elymus canadensis var. robustus

Family (Traditional)Poaceae
Species: Elymus canadensis
Infraspecies:Elymus canadensis (Scribn. & J. G. Sm.) Mack. & Bush var. robustus
Common NameCanada 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: 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 5
StatusNative; KY[SNR] (State Rank); G5TNR (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Currently no photos are available for this plant.

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 brachystachys Elymus brachystachys Scribn. & Ball
Elymus canadensis Elymus canadensis L.
Elymus canadensis var. brachystachys Elymus canadensis var. brachystachys (Scribn. & Ball) Farw.
Elymus canadensis var. glaucifolius Elymus canadensis var. glaucifolius
Elymus canadensis var. hirsutus Elymus canadensis var. hirsutus (Farw.) Dorn
Elymus canadensis var. pendulus Elymus canadensis var. pendulus Eaton & Wright
Elymus canadensis var. philadelphicus Elymus canadensis var. philadelphicus (L.) Farw.
Elymus canadensis var. robustus Elymus canadensis var. robustus (Scribn. & J.G. Sm.) Mackenzie & Bush
Elymus crescendus Elymus crescendus L.C. Wheeler
Elymus philadelphicus Elymus philadelphicus L.
Elymus philadelphicus var. hirsutus Elymus philadelphicus var. hirsutus Farw.
Elymus philadelphicus var. pendulus Elymus philadelphicus var. pendulus (Eaton & Wright) Farw.
Elymus robustus Elymus robustus Scribn. & J.G. Sm.
Elymus robustus var. vestitus Elymus robustus var. vestitus Wiegand
Hordeum canadense Hordeum canadense (L.) Asch. & Graebn.
Hordeum patulum Hordeum patulum Moench
Roegneria canadensis Roegneria canadensis (L.) Hyl.
Sitanion brodiei Sitanion brodiei Piper
Terrellia canadensis Terrellia canadensis (L.) Lunell

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: Jefferson (KY), McCracken (KY), Davidson (TN), Knox (TN), Roane (TN), Rutherford (TN)

Herbaria represented by specimen data listed below: TENN, APSC, EKY, HTTU

Range of years during which specimens were collected: 1984 - 1984

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0192596 Davidson Tennessee
Elymus canadensis
HTTU011850 Tennessee
Elymus canadensis
APSC0095527 Jefferson Kentucky
Elymus canadensis
TENN-V-0036731 Knox Tennessee
Elymus canadensis
TENN-V-0036732 Roane Tennessee
Elymus canadensis
31234100132818 Tennessee 01 Aug 1984 Henry R. DeSelm
Elymus canadensis
TENN-V-0037076 McCracken Kentucky
Elymus canadensis
TENN-V-0036733 Rutherford Tennessee
Elymus canadensis
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