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Pinus ponderosa / Arctostaphylos patula - Purshia tridentata Woodland | NatureServe Biotics 2019
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Name: Pinus ponderosa / Arctostaphylos patula - Purshia tridentata Woodland
Reference: NatureServe Biotics 2019
Description: This forest association is common in the eastern Cascade Range of Oregon and California. It is found at elevations between 915 and 1980 m (3000-6500 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 <i>Pinus ponderosa</i>. Other trees may occur but are always subdominant and include <i>Abies lowiana</i> and <i>Pinus contorta</i>. The shrub layer is codominated by <i>Arctostaphylos patula, Purshia tridentata</i>, and <i>Ceanothus velutinus</i> with occasional <i>Ericameria bloomeri</i>. The herb layer usually supports at least one grass species, such as <i>Festuca idahoensis, Achnatherum occidentale ssp. occidentale</i>, and <i>Elymus elymoides ssp. elymoides</i>. 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: urn:lsid:vegbank.org:commConcept:28972-{6CBD716D-C99C-4272-8EE5-605BC537C826}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.683395 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL000063
  Translated: Ponderosa Pine / Greenleaf Manzanita - Antelope Bitterbrush Woodland
  Scientific: Pinus ponderosa / Arctostaphylos patula - Purshia tridentata Woodland
(convergence) and Synonyms:
(similar) CEGL000063
(similar) Pinus ponderosa / Arctostaphylos patula - Purshia tridentata Woodland
(similar) Pinus ponderosa / Arctostaphylos patula - Purshia tridentata Woodland