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Montana Field Guide

Montana Field Guides

Beardless Oats - Trisetum wolfii
Other Names:  Graphephorum wolfii

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Native Species

Global Rank: G4
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
NS THREAT SCORE:
C-value: 4


 

External Links






 
General Description
Stems loosely bunched, 50–90 cm. Leaves: blades 4–6 mm wide. Inflorescence a contracted panicle 10–40 cm long. Spikelets 5–7 mm long. Lemmas 2 per spikelet, awns absent (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Common throughout western North America (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 42

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Open grasslands, wet meadows, and edges of forests in the western MT (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Fogelsong, M.L. 1974. Effects of fluorides on Peromyscus maniculatus in Glacier National Park. M.Sc. Thesis. Bozeman, Montana: Montana State University. 52 p.
    • Harvey, A.J. 2019. Understanding the biology, ecology, and integrated management of Ventenata dubia. M.Sc. Thesis. Bozeman, MT: Montana State University. 117 p.
    • Saunders, J.K. Jr. 1955. Food habits and range use of the Rocky Mountain goat in the Crazy Mountains, Montana. Journal of Wildlife Management 19(4):429-437.
    • Saunders, J.K., Jr. 1954. A two-year investigation of the food habits and range use of the Rocky Mountain goat in the Crazy Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 22 p.
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Citation for data on this website:
Beardless Oats — Trisetum wolfii.  Montana Field Guide.  .  Retrieved on , from