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Pinus ponderosa / Cercocarpus ledifolius Central Rocky Mountain Woodland | NatureServe Biotics 2019
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Name: Pinus ponderosa / Cercocarpus ledifolius Central Rocky Mountain Woodland
Reference: NatureServe Biotics 2019
Description: This woodland association occurs in eastern Oregon. Elevations of documented stands range from 1400 to 1500 m (4600-4920 feet), on gentle to moderate slopes. 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. ponderosa</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> may also occur in the canopy, and the subcanopy layer may also contain <i>Juniperus occidentalis</i> and <i>Juniperus scopulorum</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:34392-{35710632-36F9-4B7F-B8D1-95A36DE87213}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 12-Jan-2016 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.959222 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL005646
  Translated: Ponderosa Pine / Curl-leaf Mountain-mahogany Central Rocky Mountain Woodland
  Scientific: Pinus ponderosa / Cercocarpus ledifolius Central Rocky Mountain Woodland