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Pinus edulis - Juniperus osteosperma / Ephedra viridis - Gutierrezia sarothrae Woodland | NatureServe Biotics 2019
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Name: Pinus edulis - Juniperus osteosperma / Ephedra viridis - Gutierrezia sarothrae Woodland Reference: NatureServe Biotics 2019 Description: This woodland association occurs in northern Arizona, southeastern Utah and northwestern Colorado. The tree canopy is characterized by the codominance of <i>Juniperus osteosperma</i> and <i>Pinus edulis</i> trees that are 2-5 m tall with up to 40% cover. The shrub layer is generally sparse and is dominated by <i>Ephedra viridis</i>, which contributes approximately 3-15% cover. Few other shrubs are present, and because of the low diagnostic value of <i>Ephedra viridis</i>, the associated shrubs have very low cover. <i>Amelanchier utahensis, Artemisia tridentata, Cercocarpus intricatus, Glossopetalon spinescens var. meionandrum, Shepherdia rotundifolia, Artemisia bigelovii</i>, and <i>Mahonia fremontii</i> may be present. Associated graminoids provide low cover and include <i>Poa secunda, Bouteloua gracilis, Pleuraphis jamesii, Hesperostipa comata, Achnatherum hymenoides, Pseudoroegneria spicata</i>, and <i>Pleuraphis jamesii</i>. Forbs are diverse but inconsistent among stands and contribute little cover. Stands occur on dry middle and upper slopes of ridges and canyons, as well as on colluvial slopes and benches. Sites are flat to very steep occurring on any aspect between 1170 and 2204 m elevation. Substrates are variable, ranging from rapidly drained sands or loamy sands derived from eolian deposits or from sandstones to finer-textured soils such as loams, sandy loams, or silty clays derived from shales and rocky colluvial slopes.  Accession Code: urn:lsid:vegbank.org:commConcept:31278-{679BB71F-0292-4D50-AA16-25F21462E0AA} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 05-Aug-2016 to: ongoing
	status: accepted Community's Parent: Pinus edulis - Juniperus osteosperma Colorado Plateau Shrubby Open Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.769206 NatureServe Explorer   Code: CEGL002370   Translated: Two-needle Pinyon - Utah Juniper / Mormon-tea - Broom Snakeweed Woodland   Scientific: Pinus edulis - Juniperus osteosperma / Ephedra viridis - Gutierrezia sarothrae Woodland (convergence) and Synonyms: (similar) Pinus edulis - Juniperus osteosperma / Ephedra viridis Woodland