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Montana Field Guide

Montana Field Guides

Idaho Fescue - Festuca idahoensis

Native Species

Global Rank: G5
State Rank: S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

External Links






 
General Description
Stems 10–80 cm. Leaves: blades 1 mm wide, inrolled. Inflorescence an open panicle 2–20 cm long, the peduncle glabrous and usually greenish in color. Spikelets 5–10 mm long, with 3 to 7 florets. Lemmas with an awn tip or awn up to 5 mm long (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range

Year-round
 


Range Comments
Throughout western North America except at extreme northern latitudes (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 7347

(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

References
  • Additional ReferencesLegend:   View Online Publication
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    • Bilbao, J.V. 2008. Predicting feeding site selection of mule deer on foothill and mountain rangelands. M.Sc. Thesis. Bozeman, MT: Montana State University. 40 p.
    • Buckmaster, 2015. Community Composition Analysis of Altered Vegetation Communities Following the Release of Grazing Pressure. M.Sc. Thesis. Bozema, MT: Montana State University. 66 p.
    • Chadde, S.W. 1985. Initial recovery patterns of southwestern Montana foothill range. M.Sc. Thesis. Bozeman, MT: Montana State University. 103 p.
    • Dragt, W. J. 1985. Nutritional and developmental responses of three mountain bunchgrasses to summer cattle and winter elk grazing. M.Sc. Thesis. Bozeman, MT: Montana State University. Bozeman. 94 p.
    • Fuller, W.L. 1997. Elk management strategies for sustainable beef cattle enterprises. M.Sc. Thesis. Bozeman, MT: Montnaa State University. 92 p.
    • Gross, J.A. 1998. Elk use of various sized cattle exclosures. M.Sc. Thesis. Bozeman, MT: Montana State University. 40 p.
    • Grove, A.J. 1998. Effects of Douglas fir establishment in southwestern Montana mountain big sagebrush communities. M. Sc.Thesis. Bozeman, MT: Montana State University. 150 p.
    • Guenther, G.E. 1989. Ecological relationships of bitterbrush communities on the Mount Haggin Wildlife Management Area. M.Sc. Thesis. Bozeman, MT: Montana State University. 73 p.
    • Hansen, J. J. 1987. Effect of stock density on ground cover on a southwest Montana foothills rangeland. M.Sc. Thesis. Bozeman, MT: Montana State University. 65 p.
    • Hoffman, T.L. 1996. An ecological investigation of mountain big sagebrush in the Gardiner Basin. M.Sc. Thesis. Bozeman, MT: Montana State University. 84 p.
    • Husby, P.O. 1982. Effects of grazing on vegetation in the Artemisia tridentata-Festuca idahoensis habitat type. M.S. thesis. Montana State University, Bozeman. 76 pp.
    • Johnson, J.R. 1966. The effects of some environmental influences on big sagebrush, Artemisia tridentata Nutt., reinvasion. M.Sc. Thesis. Bozeman, MT: Montana State University. 100 pp.
    • Johnson, T. W. 1982. An analysis of pack and saddle stock grazing areas in the Bob Marshall Wilderness. M.Sc.Thesis. Bozeman, MT: Montana State University. 105 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Weaver, T. and D. Collins. 1977. Possible effects of weather modification (increased snow pack) on Festuca idahoensis meadows. Journal of Range Management 30:451-456.
    • Weaver, T. and K. Blanchet. 1973. A bibliography of the literature on Idaho Fescue, Festuca idahoensis Elmer. Proceedings of the Montana Academy of Science 33:42-45.
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Citation for data on this website:
Idaho Fescue — Festuca idahoensis.  Montana Field Guide.  .  Retrieved on , from