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Montana Field Guides

Prairie Junegrass - Koeleria macrantha
Other Names:  Koeleria cristata, Koeleria nitida, Koeleria pyramidata

Native Species

Global Rank: G5
State Rank: S5

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

External Links






 
General Description
Cool season, perennial bunchgrass. Stems 20–60 cm. Leaves: blades 1–3 mm wide, flat and ascending; sheaths with overlapping margins; ligule membranous. Inflorescence a contracted to occasionally open pyramidal panicle 4–11 cm long. Spikelets 4–5 mm long with 2 to 4 florets; glumes somewhat enclosing the florets. Lemmas awnless or with a very short awn <1 mm long; palea very well developed. Disarticulation above glumes; unit of dispersal the floret or fruit (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range

Year-round
 


Range Comments
Throughout nearly all of North America excepting some very southeastern states and very northwestern provinces (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 3435

(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
Low to middle elevations in sagebrush steppe, dry montane meadows, and other open dry sites with high native cover (indicative of infrequent disturbance). (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Additional ReferencesLegend:   View Online Publication
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    • 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.
    • Butler, M.A. 1996. The validity of using artificial nests to assess nest-predation rates in prairie nesting ducks. M.Sc. Thesis. Bozeman, MT: Montana State University. 82 p.
    • Chadde, S.W. 1985. Initial recovery patterns of southwestern Montana foothill range. M.Sc. Thesis. Bozeman, MT: Montana State University. 103 p.
    • Dolan, J.J. 1966. Long-term responses of dense clubmoss (Selaginella densa Rydb.) to range renovation practices in northern Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 83 pp.
    • Feist, F.G. 1968. Breeding bird populations in relation to proposed sagebrush control in central Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 41 p.
    • Foster, J.W. 1977. Impact of off-road vehicle traffic on soils and vegetation on rangeland in southeastern Montana and photographic monitoring of the effects. M.Sc. Thesis. Bozeman, MT: Montana State University. 168 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.
    • Hoard, M.W. 1985. Parameters influencing infrared reflectance of a vegetational canopy. M.Sc.Thesis. Bozeman, MT: Montana State University. 43 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.
    • Holeckek, J.L. 1976. Initial effects of different species treatments and fertilizer rates on a mine spoils rehabilitation. M.Sc. Thesis. Bozeman, MT: Montana State University. 91 p.
    • Husby, P.O. 1982. Effects of grazing on vegetation in the Artemisia tridentata-Festuca idahoensis habitat type. M.Sc. Thesis. Bozeman, MT: Montana State University. 76 p.
    • Johnson, J.D. 2004. Restoring native species to crested wheatgrass dominated rangelands. M.Sc.Thesis. Bozeman, MT: Montana State University. 58 p.
    • 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.
    • Mackie, R.J. 1965. Range ecology and relationships of mule deer, elk, and cattle in the Missouri River breaks. Ph.D Dissertation. Bozeman, MT: Montana State University. 229 p.
    • Scow, K.L. 1981. Ecological distribution of small mammals at Sarpy Creek, Montana, with special consideration of the Deer Mouse, Peromyscus maniculatus. M.Sc. Thesis. Bozeman, Montana: Montana State University. 73 p.
    • Selting, J.P. 1994. Seasonal use of agricultural lands by Mule Deer, White-Tailed Deer, and Pronghorn Antelope in Carter County, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 66 p.
    • Steerey, W. F. 1979. Distribution, range use and population characteristics of Mule Deer associated with the Schafer Creek winter range, Bridger Mountains, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 119 p.
    • Trout, R.G. 1978. Small mammal abundance and distribution in the Missouri River Breaks, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 64 p.
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Citation for data on this website:
Prairie Junegrass — Koeleria macrantha.  Montana Field Guide.  .  Retrieved on , from