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Pseudoroegneria spicata - Cushion Plants Grassland | NatureServe Biotics 2019
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Name: Pseudoroegneria spicata - Cushion Plants Grassland Reference: NatureServe Biotics 2019 Description: This association is found in foothills of southwestern and south-central Montana. It is also known from the high limestone plateaus and ridges of Dinosaur National Monument in northwestern Colorado and Fossil Butte National Monument in southwestern Wyoming. In south-central Montana, this type occurs at elevations between 1250 and 1680 m (4100-5500 feet). In southwestern Montana, it has been documented from 2580 m (8450 feet) elevation but is noted in reconnaissance from 2075 to 2685 m (6800-8800 feet) elevation. In Colorado, elevations range from 1650 to 2650 m (5400-8700 feet), and in Wyoming from 2350 and 2400 m (7710-7875 feet). This community occurs on moderately deep, rocky and gravelly soils derived from limestone or calcareous sandstone of mesas, ridgetops, plateaus and saddles, and the upper slopes of outwash plains. The primary influencing environmental factor is wind; in most examples of this type, wind deflation has produced a gravel-paved surface. This herbaceous type is characterized by the presence of short-statured, compact cushion plants of the genera <i>Arenaria, Astragalus, Hymenoxys, Phlox, Cryptantha, Stenotus, Heterotheca, Eriogonum</i>, and in the Bighorn region, <i>Sphaeromeria capitata</i>. <i>Pseudoroegneria spicata</i> is present at relatively low canopy cover, although many other species of grasses may also be present. Scattered dwarfed shrubs may be scattered throughout.  Accession Code: urn:lsid:vegbank.org:commConcept:30575-{EE4FF847-535C-47C9-8C45-F389906D40B1} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Jan-2008 to: ongoing
	status: accepted Community's Parent: Achnatherum hymenoides - Pseudoroegneria spicata - Muhlenbergia pungens Grassland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.688477 NatureServe Explorer   Code: CEGL001666   Translated: Bluebunch Wheatgrass - Cushion Plants Grassland   Scientific: Pseudoroegneria spicata - Cushion Plants Grassland (convergence) and Synonyms: (similar) Pseudoroegneria spicata - Cushion Plants Herbaceous Vegetation (similar) CEGL001666 (similar) Pseudoroegneria spicata - Cushion Plants Herbaceous Vegetation