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Montana Field Guide

Montana Field Guides

Nelson's Needlegrass - Stipa nelsonii
Other Names:  Achnatherum nelsonii, Stipa columbiana, Stipa williamsii

Native Species

Global Rank: G5
State Rank: S4
C-value: 6


Agency Status
USFWS:
USFS:
BLM:


 

External Links






 
General Description
Stems 30–80 cm. Leaves: blades 2–5 mm wide, hairless at throat region; sheaths conspicuously hairy or glabrate; ligule 1–2 mm long. Inflorescence a contracted panicle 10–30 cm long. Spikelets 8–12 mm long. Lemmas appressed hairy, with an awn 2–4 cm long (Lavin in Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are subspecies nelsonii or dorei.

Species Range
Montana Range

Year-round
 


Range Comments
AK and western Canada, south through most of the western US, UT, east to TX.

Observations in Montana Natural Heritage Program Database
Number of Observations: 379

(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 dry settings, including mountain big sagebrush steppe, at middle elevations in the mountains (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?
    • Aho, Ken Andrew. 2006. Alpine and Cliff Ecosystems in the North-Central Rocky Mountains. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 343 p.
    • Ament, R.J. 1995. Pioneer Plant Communities Five Years After the 1988 Yellowstone Fires. M.Sc. Thesis. Bozeman, MT: Montana State University. 216 p.
    • 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.
    • Buchanan, B.A. 1972. Ecological effects of weather modification, Bridger Range area, Montana: relationship of soil, vegetation, and microclimate. Ph.D. Dissertation. Montana State University, Bozeman. 130 p.
    • Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
    • Gaffney, W.S. 1941. The effects of winter elk browsing, South Fork of the Flathead River, Montana. Journal of Wildlife Management 5(4):427-453.
    • 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.
    • Harvey, S.J. 1990. Responses of steppe plants to gradients of water soil texture and disturbance in Montana, U.S.A. Ph.D. Thesis. Bozeman, MT: Montana State University. 34 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.
    • 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.
    • Martinka, R.R. 1970. Structural characteristics and ecological relationships of male blue grouse (Dendragapus obscurus (Say)) territories in southwestern Montana. Ph.D Dissertation. Bozeman, MT: Montana State University. 73 p.
    • Plaggemeyer, J.B. 1995. Effects of overstory thinning on lodgepole pine understories. M.Sc. Thesis. Bozeman, MT: Montana State University. 55 p.
    • Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
    • Seipel, T., L.J. Rew, K.T. Taylor, B.D. Maxwell, and E.A. Lehnhoff. 2018. Applied Vegetation Science 21:385-394.
    • Tuinstra, K. E. 1967. Vegetation of the floodplains and first terraces of Rock Creek near Red Lodge, Montana. Ph.D dissertation. Montana State University, Bozeman 110 pp.
  • Web Search Engines for Articles on "Nelson's Needlegrass"
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Citation for data on this website:
Nelson's Needlegrass — Stipa nelsonii.  Montana Field Guide.  .  Retrieved on , from