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Wildlife, Animals, and Plants |
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DISTRIBUTION AND OCCURRENCE
GENERAL DISTRIBUTION:Western wheatgrass grows east of the Cascade Range from British Columbia south to eastern Washington and Oregon, Nevada, and Arizona, eastward to Ontario, New York, Tennessee, and Texas [20,21,33,56,77,78]. ECOSYSTEMS:
FRES15 Oak-hickory STATES:
AK AZ CA CO CT HI IL IN IA KS BLM PHYSIOGRAPHIC REGIONS:
1 Northern Pacific Border KUCHLER PLANT ASSOCIATIONS:
K011 Western ponderosa forest SAF COVER TYPES:
219 Limber pine SRM (RANGELAND) COVER TYPES:
303 Bunchgrass wheatgrass-western wheatgrass HABITAT TYPES AND PLANT COMMUNITIES:Western wheatgrass grows in grasslands and sagebrush (Artemisia spp.) deserts; it commonly grows in pure stands, but more often grows mixed with other grasses [78,119,130,145,150]. It is often the dominant grass in mixed-grass prairie communities [10]. Western wheatgrass is a codominant or indicator in many habitat types in sagebrush-grassland, pinyon-juniper (Pinus ssp.)-(Juniperus ssp.), and Rocky mountain juniper (J. scopulorum) types [81,102]. It is of major importance in the central and northern Great Plains grassland where it is commonly associated with blue grama (Bouteloua gracilis), sideoats grama (B. curtipendula), alkali sacaton (Sporobolus airoides), buffalo grass (Buchloe dactyloides), prairie junegrass (Koeleria macrantha), needle and thread grass (Hesperostipa comata), green needlegrass (Nassella viridula), and little bluestem (Schizachyrium scoparium) [11]. Western wheatgrass occurs with a number of shrubs including big sagebrush (A. tridentata), bitterbrush (Purshia tridentata), and broom snakeweed (Gutierrezia sarothrae) [1]. On the sagebrush rangeland of the Intermountain area, western wheatgrass is often mixed with bluebunch wheatgrass (Pseudoroegneria spicata) and thickspike wheatgrass [25]. In northern mixed-grass prairies, western wheatgrass occurs as a dominant with needle-and-thread grass, blue grama, and bluestems [49,52]. Publications using western wheatgrass in vegetation classifications are listed below:Vegetation and soils of the Crane Springs Watershed [20] Vegetation and soils of the Rock Springs Watershed [21] Phyto-edaphic communities of the Upper Rio Puerco Watershed, New Mexico [55] The vegetation of the Grand River/Cedar River, Sioux, and Ashland Districts of the Custer National Forest: a habitat type classification [71] Preliminary habitat types of a semiarid grassland [56] The vegetation of Theodore Roosevelt National Park, North Dakota: a habitat type classification [72] Classification and management of riparian and wetland sites in central and eastern Montana [73] Range plant communities of the Central Grasslands Research Station in south central North Dakota [101] Grassland and shrubland habitat types of western Montana [110] Shrub-steppe habitat types of Middle Park, Colorado [140] Grassland and shrubland habitat types of the Shoshone National Forest [144] Analysis of grassland vegetation on selected key areas in southwestern North Dakota [166] Grassland types of south central Montana [171]
Related categories for SPECIES: Pascopyrum smithii | Western Wheatgrass |
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