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Tsuga heterophylla / Mahonia nervosa / Achlys triphylla Forest | Western Ecology Working Group of...
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Name: Tsuga heterophylla / Mahonia nervosa / Achlys triphylla Forest Reference: Western Ecology Working Group of... Description: This conifer forest association may occur as young- or old-growth. Stands are found at elevations of 610-1370 m (2000-4500 feet) in Oregon. Aspects are usually northern in the southern Cascades and southwest-facing further north. Slopes average 36%. Soils are typically derived from basaltic or andesitic parent material. The dominant overstory species are Pseudotsuga menziesii (56%) and Tsuga heterophylla (28%). The understory tree layer is dominated by Tsuga heterophylla (6%) with no other tree species present in most stands. The shrub layer is characterized by Mahonia nervosa (= var. nervosa) (31%), Acer circinatum (22%), and Rosa gymnocarpa (2%). Important forbs include Achlys triphylla (12%), Viola sempervirens (4%), Anemone deltoidea (2%), and Tiarella trifoliata (6%).  Accession Code: VB.CC.23026.TSUGAHETEROPHYL 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: Tsuga heterophylla Giant Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Western Hemlock / Dwarf Oregon-grape / Sweet After Death Forest   UID: ELEMENT_GLOBAL.2.686900 NatureServe Explorer   Code: CEGL000095   Scientific: Tsuga heterophylla / Mahonia nervosa / Achlys triphylla Forest (convergence) and Synonyms: (undetermined) Tsuga heterophylla / Mahonia nervosa / Achlys triphylla Forest