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Crested Wheatgrass - Agropyron cristatum
Other Names:  Agropyron desertorum

Non-native Species

Global Rank: G5
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 0

External Links






 
General Description
Stems mostly 30–80 cm. Leaves: blades 2–9 mm wide, often open but becoming inrolled upon drying, leaf sheaths and collar hairless. Inflorescence 2.5–7(–11) cm long, rachis continuous, the internodes 0.5–2.5(–5) mm long. Spikelets 6–11(–16) mm long, widely divergent from the main rachis; florets mostly 2 to 8 per spikelet, glumes shorter than florets, narrow and tapering to an awn-tip. Lemmas hairless, awn-tipped or with awns to 5 mm long. (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range

Non-native
 


Range Comments
Introduced and cultivated throughout much of North America except in the southeast (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 624

(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

Management

References
  • Additional ReferencesLegend:   View Online Publication
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    • Anderson, N.L. 1962. Grasshopper-vegetation relationships on Montana grasslands. Ph.D Dissertation. Bozeman, Montana: Montana State University. 73 p.
    • Bess, J.A. 1997. The leafhopper species assemblages associated with native and replanted grasslands in southwest Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 94 p.
    • Blunt, K.R. 2001. Seasonal forage dry matter production and quality of 29 dryland grasses in Montana. M.Sc. Thesis. Bozeman MT: Montana State University. 174 p.
    • Brey, C.W. 1998. Epidemiology of wheat curl mite (Aceria tosichella K.) and wheat streak mosaic virus on feral grass species and effect of glyphosate on wheat curl mite dispersal. Ph.D. Dissertation. Bozeman, MT: Montana State University. 136 p.
    • Britton, M. P. 1955. An ecological study of a relict grassland and an adjacent grazed pasture in Beaverhead Valley, Montana. M.S. thesis. Montana State University, Bozeman. 23 pp.
    • 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.
    • 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.
    • Fritzen, D.E. 1995. Ecology and behavior of Mule Deer on the Rosebud Coal Mine, Montana. Ph.D. Dissertation. Bozeman, MT: Montana State University. 143 p.
    • Gillespie, R.L.1992. Dynamics of grasshoppers (Orthoptera: Acrididae) at a rangeland-crop interference. Ph.D. Bozeman, MT: Montana State University. 111 p.
    • Hale, K.M. 2007. Investigations of the West Nile virus transmission cycle at Medicine Lake National Wildlife Refuge, Montana, 2005-2006. M.Sc. Thesis. Bozeman, MT: Montana State University. 74 p.
    • Heidinga, L. and S. D. Wilson. 2002. The impact of an invading alien grass (Agropyron cristatum) on species turnover in native prairie. Diversity and Distributions (2002) 8: 249-258.
    • 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.
    • Ito, D. 2011. Evaluation of susceptibility to wheat streak mosaic virus among small grains and alternative hosts in the great plains. M.Sc. Thesis. Bozeman, MT: Montana State University. 93 p.
    • Johnson, J.D. 2004. Restoring native species to crested wheatgrass dominated rangelands. M.Sc.Thesis. Bozeman, MT: Montana State University. 58 p.
    • 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.
    • Kearing, S.A. 1996. Spotted knapweed (Centaurea maculosa Lam) : water, nutrients, plant competition, bacteria, and the seed head fly (Urophora affinis Frnfd.). M.Sc. Thesis. Bozeman, MT: Montana State University. 66 p.
    • Larson, D.P. 1996. Evaluation of sweep sampling as a method for determining grasshopper community composition on rangeland. M.Sc. Thesis. Bozeman, MT: Montana State University. 92 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 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.
    • Mundinger, J.G. 1975. The influence of rest-rotation grazing management on waterfowl production on stock-water reservoirs in Phillips County, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 100 p.
    • Murphy, C.Y. 2016. Chemical control and disease reservoir studies of the wheat curl mite (Aceria tosichella Keifer) vector to wheat streak mosaic virus. M.Sc. Thesis. Bozeman, MT: Montana State University. 75 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.
    • Rolston, M.G. 1997. The short term dynamics of behavioral thermoregulation of nymphs of the migratory grasshopper, Melanoplus sanguinipes. M. Sc. Thesis. Bozeman, MT: Montana State University. 98 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.
    • Seipel, T.F. 2006. Plant species diversity in the sagebrush steppe of Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 87 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.
    • Tschache, O.P. 1970. Effects of ecological changes induced by various sagebrush control techniques on small mammal populations. M.Sc. Thesis. Bozeman, MT: Montana State University. 51 p.
    • Wiman, N.G. 2001. Dynamics of leafy spurge (Euphorbia esula L.) infested plant communities influenced by flea beetles in the Aphthona complex (Colepotera: Chrysomelidae). M.Sc. Thesis. Bozeman, MT: Montana State University. 148 p.
    • Zapatka, T.P. 1963. Some results of two limited hunting seasons on hen Pheasants in north central Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 26 p.
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Citation for data on this website:
Crested Wheatgrass — Agropyron cristatum.  Montana Field Guide.  .  Retrieved on , from