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Chamaecyparis lawsoniana - Picea sitchensis Forest Alliance | NatureServe Biotics 2019
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Name: Chamaecyparis lawsoniana - Picea sitchensis Forest Alliance
Reference: NatureServe Biotics 2019
Description: This alliance consists of mixed conifer forests characterized by <i>Chamaecyparis lawsoniana</i> codominant in the tree canopy usually with <i>Pseudotsuga menziesii</i>. Additional codominants include <i>Tsuga heterophylla</i> in northern stands and <i>Picea sitchensis</i> in coastal stands. Other conifers present may include <i>Abies lowiana, Callitropsis nootkatensis, Picea breweriana</i>, and <i>Taxus brevifolia</i>. A tall-shrub stratum generally occurs with <i>Acer circinatum, Gaultheria shallon, Rhododendron macrophyllum</i>, and/or <i>Vaccinium parvifolium</i>. Shorter shrubs may include <i>Chimaphila umbellata, Leucothoe davisiae, Mahonia nervosa, Paxistima myrsinites, Rosa gymnocarpa, Rubus ursinus</i>, and <i>Vaccinium membranaceum</i>. Herbaceous layers commonly have shade-tolerant species such as <i>Clintonia uniflora, Goodyera oblongifolia, Linnaea borealis, Oxalis oregana</i>, and <i>Polystichum munitum</i>. Important herbs may include <i>Xerophyllum tenax</i>, in addition to the species listed above. This alliance occurs in a very restricted range in the Klamath-Siskiyou mountain region of northern California and southern Oregon, but shows wide ecological amplitude within that range. 
Accession Code: urn:lsid:vegbank.org:commConcept:38826-{13E252FA-486C-4248-AF10-E4188CA3F724}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Sep-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899664 NatureServe ExplorerNatureServe Explorer logo
  Code: A3606
  Translated: Port Orford-cedar - Sitka Spruce Forest Alliance
  Common: Port Orford-cedar - Sitka Spruce Forest
  Scientific: Chamaecyparis lawsoniana - Picea sitchensis Forest Alliance