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Pinus ponderosa var. scopulorum / Cercocarpus ledifolius Southern Rocky Mountain Woodland | NatureServe Biotics 2019
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Name: Pinus ponderosa var. scopulorum / Cercocarpus ledifolius Southern Rocky Mountain Woodland Reference: NatureServe Biotics 2019 Description: This woodland association occurs on benches, plateaus and ridges in the highlands of southeastern Utah and northwestern Colorado. Elevations of documented stands range from 2070 to 2590 m (6800-8500 feet), on gentle to moderate slopes with north and east aspects. Exposed bedrock, large rocks and litter cover much of the unvegetated surface. Soils tend to be shallow, skeletal and extremely well-drained. This woodland association is characterized by an open canopy of <i>Pinus ponderosa var. scopulorum</i> with a subcanopy or tall-shrub layer of <i>Cercocarpus ledifolius</i>. The <i>Cercocarpus</i> shrubs often take an "arboreal" form, in which individuals have a single trunk and a distinct canopy. Scattered <i>Pseudotsuga menziesii</i> or <i>Abies concolor</i> may also occur in the canopy, and the subcanopy layer may also contain <i>Juniperus osteosperma, Juniperus scopulorum</i> and <i>Pinus edulis</i>. Shrubs other than <i>Cercocarpus ledifolius</i> tend to be sparse, but <i>Amelanchier utahensis, Purshia tridentata</i>, or <i>Artemisia tridentata ssp. vaseyana</i> may be present. The sparse herbaceous layer tends to be dominated by graminoids, including <i>Carex rossii, Leymus salinus, Hesperostipa comata, Elymus elymoides</i>, and <i>Poa fendleriana</i>. Forbs are inconsistent among sites and contribute little cover.  Accession Code: urn:lsid:vegbank.org:commConcept:34391-{75C9E237-4DEA-4E58-BFA0-A4790FEB0231} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 13-Jan-2016 to: ongoing
	status: accepted Community's Parent: Pinus ponderosa Southern Rocky Mountain Forest & Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.959215 NatureServe Explorer   Code: CEGL005645   Translated: Ponderosa Pine / Curl-leaf Mountain-mahogany Southern Rocky Mountain Woodland   Scientific: Pinus ponderosa var. scopulorum / Cercocarpus ledifolius Southern Rocky Mountain Woodland