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Chamaecyparis lawsoniana - Tsuga heterophylla / Polystichum munitum Forest | Western Ecology Working Group of...
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Name: Chamaecyparis lawsoniana - Tsuga heterophylla / Polystichum munitum Forest Reference: Western Ecology Working Group of... Description: This giant conifer association grows on mesic sites between 300-800 m elevation in southwestern Oregon and northwestern California. Stands are found on moist benches and well-watered slopes up to 35%. Soils are well developed, gravelly silt loams of comparative depth. The tree canopy is dominated by Pseudotsuga menziesii, Chamaecyparis lawsoniana and Tsuga heterophylla. Abies grandis, Alnus rubra, Acer macrophyllum, and Lithocarpus densiflorus are common associates. The vigorous immature conifer layer averages 47% cover and is dominated by Tsuga heterophylla. The shrub stratum is poorly developed, attaining an average of only 9% cover. Gaultheria shallon and Mahonia nervosa (= var. nervosa) are common in the low-shrub stratum, while Lithocarpus densiflorus dominates the tall-shrub layer. The dense herbaceous layer is dominated by Polystichum munitum and Oxalis oregana which make up 80% of the herbaceous cover. Moss cover averages 39%. The high cover of the herbaceous layer (63%), with dominance by Polystichum munitum and Oxalis oregana differentiate this community from other Chamaecyparis lawsoniana forest associations.  Accession Code: VB.CC.26576.CHAMAECYPARISLA 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: Chamaecyparis lawsoniana Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Port Orford-cedar - Western Hemlock / Pineland Sword Fern Forest   UID: ELEMENT_GLOBAL.2.689308 NatureServe Explorer   Code: CEGL000046   Scientific: Chamaecyparis lawsoniana - Tsuga heterophylla / Polystichum munitum Forest   Common: Port Orford-cedar - Western Hemlock / Sword Fern (convergence) and Synonyms: (undetermined) Chamaecyparis lawsoniana - Tsuga heterophylla / Polystichum munitum Forest