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Pinus edulis - Juniperus spp. / Pseudoroegneria spicata Woodland | Western Ecology Working Group of...
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Name: Pinus edulis - Juniperus spp. / Pseudoroegneria spicata Woodland Reference: Western Ecology Working Group of... Description: This association occurs in dry, rocky habitats on the slopes or summits of ridges, hills, canyons and ravines in western Colorado and northwestern New Mexico. Sites are gentle to steep (3-58% slopes), occur between 1700 and 2465 m elevation, and are oriented to all aspects. Rocks and bare ground occupy most of the unvegetated surface, up to 90% in some stands and averaging 60%. Soils are shallow to moderately deep, well-drained and variable in texture, depending on the underlying geology, which varies from shale, limestone and sandstone to metamorphic and granitic rocks. Total vegetation cover ranges from 25 to 55%. The tree canopy is generally dominated by <i>Juniperus osteosperma</i>, with between 10 and 30% cover. <i>Pinus edulis</i> contributes an additional 5-15% cover. Scattered shrubs may be present (with less than 5% total cover), including <i>Ephedra viridis, Cercocarpus montanus</i>, and <i>Artemisia tridentata</i>. The herbaceous layer ranges from moderately sparse to moderately dense (5-35% cover) and is dominated by <i>Pseudoroegneria spicata</i> (3-15% cover), sometimes with <i>Achnatherum hymenoides</i> as a codominant. Other grasses present may include <i>Poa fendleriana</i> and <i>Hesperostipa comata</i>; <i>Bromus tectorum</i> is common in disturbed stands. Common forbs include <i>Phlox hoodii, Stenotus armerioides</i>, and <i>Arenaria kingii</i>. Cryptobiotic soil crust development is minor.  Accession Code: VB.CC.31924.CEGL000788 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: accepted This Community's Level: association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.688499 NatureServe Explorer   Translated: Two-needle Pinyon - Juniper species / Bluebunch Wheatgrass Woodland   Scientific: Pinus edulis - Juniperus spp. / Pseudoroegneria spicata Woodland   Code: CEGL000788