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Juniperus scopulorum / Purshia tridentata Woodland | Western Ecology Working Group of...
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Name: Juniperus scopulorum / Purshia tridentata Woodland Reference: Western Ecology Working Group of... Description: This association has only been reported from northern Roosevelt National Forest where it is found in close proximity to Purshia tridentata / Hesperostipa comata Shrub Herbaceous Vegetation (CEGL001498). Juniperus scopulorum dominates the overstory, which is moderately dense (about 600 trees per acre). Pinus ponderosa and Pseudotsuga menziesii may occasionally occur as scattered individuals. Purshia tridentata dominates the shrub canopy, with 15-25% cover. Rhus trilobata, Leptodactylon pungens, Rubus deliciosus, Artemisia frigida, and Opuntia polyacantha are shrubs that may be present with a cover of less than 2%. Forb and graminoid cover is usually higher than for other Juniperus scopulorum-dominated sites. Commonly associated forbs include Heterotheca villosa, Eriogonum umbellatum, Helianthus pumilus, Potentilla fissa (= Drymocallis fissa), and Artemisia ludoviciana. Common graminoids include Elymus albicans (= Elymus lanceolatus ssp. albicans), Carex rossii, Muhlenbergia montana, and Hesperostipa comata (= Stipa comata). The association is found on xeric, steep (20-35 degrees) south-, east-, and west-facing slopes. Colluvial and residual parent materials of gneiss and schist origins formed the coarsely textured thin soils. Soils are minimally developed and consist of Entisols (Ustorthents) at lower, drier sites and Mollisols (Haploborolls) at higher, more mesic sites. 40-50% of the surface ground area is bare soil, exposed rock, and boulder outcroppings.  Accession Code: VB.CC.18946.JUNIPERUSSCOPUL 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: Juniperus scopulorum Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Rocky Mountain Juniper / Bitterbrush Woodland   UID: ELEMENT_GLOBAL.2.684938 NatureServe Explorer   Code: CEGL000749   Scientific: Juniperus scopulorum / Purshia tridentata Woodland (convergence) and Synonyms: (undetermined) Juniperus scopulorum / Purshia tridentata Woodland