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Abies X shastensis / Vaccinium membranaceum / Chimaphila umbellata Forest | Western Ecology Working Group of...
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Name: Abies X shastensis / Vaccinium membranaceum / Chimaphila umbellata Forest Reference: Western Ecology Working Group of... Description: This association occurs in Oregon and California. The forests have a multi-storied tree canopy with high cover of shrubs. It averages 1630 m (5342 feet) elevation with slopes ranging 5-30% on predominantly northwestern aspects. Soil tends to be ash or basalt with the former being less productive. Abies X shastensis dominates the tree canopy with an average 29-39% cover. Usually present are Pinus contorta (0-26%), Tsuga mertensiana (0-9%), Pseudotsuga menziesii (0-31%), and Pinus monticola (0-4%). The shrub layer averages 53% cover and is characterized by Vaccinium membranaceum (26-30%) and Chimaphila umbellata (7-12%). Herb cover is generally low (8%) with Orthilia secunda (= Pyrola secunda) (2%) and Anemone deltoidea (1%) often present. Grasses are usually absent. This association resembles Abies concolor / Vaccinium membranaceum Forest (CEGL000264), but is taller and has significant Abies X shastensis cover. The association also resembles Abies concolor - Abies X shastensis / Chimaphila umbellata Forest (CEGL000030), but has a better developed understory. The Abies X shastensis / Carex inops ssp. inops Forest (CEGL000348) is also similar except for the presence of Carex inops ssp. heliophila.  Accession Code: VB.CC.21048.ABIESXSHASTENSI 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: Abies X shastensis Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   Code: CEGL000037   Translated: Shasta Red Fir / Square-twig Blueberry / Pipsissewa Forest   UID: ELEMENT_GLOBAL.2.685590 NatureServe Explorer   Scientific: Abies X shastensis / Vaccinium membranaceum / Chimaphila umbellata Forest (convergence) and Synonyms: (undetermined) Abies x shastensis / Vaccinium membranaceum / Chimaphila umbellata Forest