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Abies procera / Oxalis oregana Forest | Western Ecology Working Group of...
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Name: Abies procera / Oxalis oregana Forest Reference: Western Ecology Working Group of... Description: This association is known from the northern Oregon Coast Range, and is assumed to be extirpated from the adjacent Willapa Hills in southwestern Washington. It occurs on isolated peaks, found at lower elevations (670 m [2200 feet]) by the ocean, and between 915 and 1220 m (3000-4000 feet) further inland. Soils are deep, moderately stony and moist but well-drained, generally colluvium. It occurs on ridges and upper slopes generally, with a few occurrences from mid slopes. Canopy closure of mature trees averages 82%. <i>Abies procera</i> dominates the canopy, but <i>Pseudotsuga menziesii, Tsuga heterophylla</i>, and <i>Abies amabilis</i> are occasionally found in the overstory and understory. Some <i>Abies procera</i> and <i>Pseudotsuga menziesii</i> trees are very large, easily reaching giant conifer status, but generally the stands are shorter. Sampled stands ranged from 80 to 211 years old. Shrubs have limited cover, with <i>Rubus spectabilis</i> and <i>Ribes lacustre</i> often present at 1% cover. <i>Oxalis oregana</i> dominates the forest floor, with 52% cover, although <i>Polystichum munitum, Osmorhiza berteroi (= Osmorhiza chilensis), Claytonia sibirica (= Montia siberica), Clintonia uniflora</i>, and <i>Coptis laciniata</i> are all often present. No other associations are dominated by <i>Abies procera</i>.  Accession Code: VB.CC.34586.CEGL003444 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.2.683983 NatureServe Explorer   Translated: Noble Fir / Redwood Sorrel Forest   Code: CEGL003444   Scientific: Abies procera / Oxalis oregana Forest