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Acer macrophyllum - Alnus rubra / Polystichum munitum - Tellima grandiflora Forest | Western Ecology Working Group of...
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Name: Acer macrophyllum - Alnus rubra / Polystichum munitum - Tellima grandiflora Forest Reference: Western Ecology Working Group of... Description: This association primarily occurs in the Puget Lowlands of Washington, the northern end of the Willamette Valley of Oregon, and perhaps the Georgia Basin of British Columbia. It is found on steep coastal bluffs that are moist and on landslide deposits. It is probably dependent on occasional landslides or related geomorphic movements. It is a forest dominated typically by deciduous broad-leaved trees, though occasionally it can be mixed deciduous broad-leaved-evergreen needle-leaved in physiognomy. It is dominated by Acer macrophyllum and/or Alnus rubra, the former usually more abundant. The evergreen Pseudotsuga menziesii occurs in many stands, but is subordinate in importance. The understory usually has a moderately to very well-developed deciduous shrub layer that varies in composition. Dominant or codominant shrubs can include Rubus spectabilis, Symphoricarpos albus, Holodiscus discolor, Acer circinatum, and Sambucus racemosa. The herbaceous stratum is characterized by an abundance of Polystichum munitum and the presence of Tellima grandiflora (9% mean cover). The association is distinguished by the dominance of Acer macrophyllum and/or Alnus rubra, usually >1% cover of Tellima grandiflora, and its habitat of landslide deposits or moist coastal bluffs.  Accession Code: VB.CC.20518.ACERMACROPHYLLU Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Oct-2002 to: 17-Nov-2014
	status: accepted Community's Parent: Acer macrophyllum Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Bigleaf Maple - Red Alder / Pineland Sword Fern - Fragrant Fringecup Forest   UID: ELEMENT_GLOBAL.2.685220 NatureServe Explorer   Code: CEGL003334   Scientific: Acer macrophyllum - Alnus rubra / Polystichum munitum - Tellima grandiflora Forest (convergence) and Synonyms: (undetermined) Acer macrophyllum - Alnus rubra / Polystichum munitum - Tellima grandiflora Forest