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Pinus edulis - Juniperus osteosperma / Quercus turbinella Woodland | NatureServe Biotics 2019
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Name: Pinus edulis - Juniperus osteosperma / Quercus turbinella Woodland Reference: NatureServe Biotics 2019 Description: This woodland association is known from Canyon de Chelly and Pipe Springs national monuments in northern Arizona in the southern Colorado Plateau, and this description is based on occurrence there. The association has also been reported from Grand Canyon National Park, Glen Canyon National Recreation Area, and Mojave National Preserve in California. In the southern Colorado Plateau, it occurs on canyon slopes, rims and mesatops from 1536 to 2104 m (5040-6900 feet) elevation. Stands occur on gentle to steep slopes (2-35%) on warmer southern and western aspects. The substrates are generally shallow, rocky sandy loam to silt loam soils. The surface typically has moderate to high cover of boulders or rock outcrops. Cover by lichens is moderate to high in some stands. The vegetation is characterized by an open to moderately dense tree canopy (10-50% cover) codominated by <i>Pinus edulis</i> and <i>Juniperus osteosperma</i>. Very open stands may have tree cover between 5-10% cover. <i>Quercus turbinella</i> dominates or codominates the open to moderately dense shrub layer. Other shrubs may be present, including <i>Artemisia bigelovii, Chrysothamnus greenei, Ephedra viridis, Fendlera rupicola, Opuntia phaeacantha, Opuntia polyacantha var. polyacantha</i>, and <i>Cylindropuntia whipplei</i>. Herbaceous cover is variable, ranging from sparse to moderately dense, but is often dominated the perennial graminoid <i>Bouteloua gracilis</i> with scattered perennial forbs. Exotic annual grass <i>Bromus tectorum</i> is present in some stands.  Accession Code: urn:lsid:vegbank.org:commConcept:32856-{22AABB42-6A28-4994-816C-B1A0BBEE793F} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 06-Jan-2017 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.2.794980 NatureServe Explorer   Code: CEGL004007   Translated: Two-needle Pinyon - Utah Juniper / Sonoran Scrub Oak Woodland   Scientific: Pinus edulis - Juniperus osteosperma / Quercus turbinella Woodland (convergence) and Synonyms: (similar) Pinus edulis - Juniperus osteosperma / Quercus turbinella Woodland