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Cercocarpus montanus / Hesperostipa comata Shrubland | Western Ecology Working Group of...
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Name: Cercocarpus montanus / Hesperostipa comata Shrubland Reference: Western Ecology Working Group of... Description: This is an open shrubland association dominated by the broad-leaved deciduous shrub Cercocarpus montanus (typically with 20-35% canopy cover), with Rhus trilobata always present in lower abundance. The succulent species, Opuntia polyacantha, is also usually present, as well as the suffrutescent species Artemisia frigida, Artemisia ludoviciana, and Eriogonum umbellatum. The herbaceous layer is dominated by the perennial bunchgrass Hesperostipa comata (= Stipa comata), with 5-20% canopy cover. The other commonly present grass is Bouteloua gracilis. Both perennial and annual forbs occur in the herbaceous layer in low abundance; some of the more important species include Erigeron pumilus, Astragalus parryi, and Allium textile. Has been described from the eastern flank of the foothills of the northern Front Range, north-central Colorado, in Douglas, Jefferson, Larimer, and Boulder counties. This association is found from 1750-2055 m (5700-6800 feet) elevation, on topographic features including hogbacks, ridges, mesas and slopes. Slopes vary from moderate to steep (up to 60%) and aspects are mostly southerly. Parent materials are primarily igneous and metamorphic residuum and colluvium. Most soils are classified as Entisols. They are poorly developed, well-drained, and coarse-textured, with much exposed bare ground and rock.  Accession Code: VB.CC.26090.CERCOCARPUSMONT Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Cercocarpus montanus Shrubland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Mountain-mahogany / Needle-and-Thread Shrubland   UID: ELEMENT_GLOBAL.2.688588 NatureServe Explorer   Code: CEGL001092   Scientific: Cercocarpus montanus / Hesperostipa comata Shrubland (convergence) and Synonyms: (undetermined) Cercocarpus montanus / Hesperostipa comata Shrubland