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Pseudotsuga menziesii / Mahonia aquifolium Forest | Western Ecology Working Group of...
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Name: Pseudotsuga menziesii / Mahonia aquifolium Forest Reference: Western Ecology Working Group of... Description: This forest association of the central and eastern Siskiyou mountains grows between 540-1525 m of elevation on southern aspects. Stands occupy all slope positions and topography. Sites are very warm and dry. Parent materials are metavolcanics and metasediments. <i>Pseudotsuga menziesii</i> dominates the overstory tree canopy, with a much smaller percentage of <i>Pinus ponderosa</i>. The tree understory contains <i>Pseudotsuga menziesii, Arbutus menziesii</i> and/or <i>Quercus kelloggii</i>. <i>Mahonia aquifolium (= Mahonia piperiana)</i> and <i>Toxicodendron diversilobum</i> are the most constant shrub species. <i>Ceanothus integerrimus</i> invades sites that have been disturbed or burned.  Accession Code: VB.CC.33327.CEGL000069 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: accepted This Community's Level: association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.687683 NatureServe Explorer   Code: CEGL000069   Scientific: Pseudotsuga menziesii / Mahonia aquifolium Forest   Translated: Douglas-fir / Hollyleaf Barberry Forest