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Pinus ponderosa / Arctostaphylos patula - Purshia tridentata Woodland | Western Ecology Working Group of...
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Name: Pinus ponderosa / Arctostaphylos patula - Purshia tridentata Woodland
Reference: Western Ecology Working Group of...
Description: This forest association is common in the eastern Cascades of Oregon and California. It is found at elevations between 3000 and 6500 feet on all aspects of variable steepness. Soils are derived from basalt, ash, and cinders but vary in water-holding capacity. The overstory is typically a semi-open canopy (5-48% cover) of Pinus ponderosa. Other trees may occur but are always subdominant and include Abies concolor and Pinus contorta. The shrub layer is codominated by Arctostaphylos patula, Purshia tridentata, and Ceanothus velutinus with occasional Ericameria bloomeri. The herb layer usually supports at least one grass species, such as Festuca idahoensis, Achnatherum occidentale ssp. occidentale (= Stipa occidentalis), and Elymus elymoides ssp. elymoides (= Sitanion hystrix). Many different forbs can be found, although none have high cover. In natural condition, this community is associated with periodic non-stand-replacing fire. 
Accession Code: VB.CC.17916.PINUSPONDEROSAA
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: 17-Nov-2014
      Names:   Translated: Ponderosa Pine / Greenleaf Manzanita - Bitterbrush Woodland
  UID: ELEMENT_GLOBAL.2.683395 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL000063
  Scientific: Pinus ponderosa / Arctostaphylos patula - Purshia tridentata Woodland
(convergence) and Synonyms:
(undetermined) Pinus ponderosa / Arctostaphylos patula - Purshia tridentata Woodland