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Pseudotsuga menziesii / Mahonia nervosa Forest | Western Ecology Working Group of...
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Name: Pseudotsuga menziesii / Mahonia nervosa Forest Reference: Western Ecology Working Group of... Description: This giant forest association is found in the Klamath Mountains in southern Oregon and may also occur in California. Elevations range from 700-1130 m (2300-3700 feet). Sites are on northeast to northwest aspects with slopes averaging 54%. Soils are derived from metavolcanic, schists, metasediment, andesite and basaltic parent material. Pseudotsuga menziesii is the only tree to occur at most sites and has an average cover of 72%. The tree understory is characterized by Pseudotsuga menziesii (50%), Arbutus menziesii (5%), and Acer macrophyllum (45%). The shrub layer totals 64% and is typified by Mahonia nervosa (= var. nervosa) (23%), Rosa gymnocarpa (6%), and Corylus cornuta var. cornuta (8%). Herbs include Trientalis borealis ssp. latifolia (= Trientalis latifolia) (4%) and Prosartes hookeri (= Disporum hookeri) (2%).  Accession Code: VB.CC.25224.PSEUDOTSUGAMENZ Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Pseudotsuga menziesii Giant Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Douglas-fir / Dwarf Oregon-grape Forest   UID: ELEMENT_GLOBAL.2.687866 NatureServe Explorer   Code: CEGL000068   Scientific: Pseudotsuga menziesii / Mahonia nervosa Forest (convergence) and Synonyms: (undetermined) Pseudotsuga menziesii / Mahonia nervosa Forest