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Tsuga heterophylla - Abies amabilis - (Pseudotsuga menziesii) / Hylocomium splendens Forest | NatureServe Biotics 2019
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Name: Tsuga heterophylla - Abies amabilis - (Pseudotsuga menziesii) / Hylocomium splendens Forest
Reference: NatureServe Biotics 2019
Description: This moist, submaritime coniferous community is found at higher elevations in drainages of the climatically transitional eastern side of the Coast Mountains in southwestern British Columbia and north to the lower Kimsquit River valley near the headwaters of Dean Channel. The slope positions are variable from middle to upper and lower to level, with mainly moderate slope gradients. In the mature to old-forest stage <i>Tsuga heterophylla</i> often has leading coverage in the canopy, followed by <i>Pseudotsuga menziesii, Thuja plicata</i>, and <i>Abies amabilis</i>. The shrub layer features <i>Vaccinium</i> spp., <i>Paxistima myrsinites, Abies amabilis</i>, and <i>Tsuga heterophylla</i>. The most common herb layer species are <i>Orthilia secunda, Linnaea borealis, Goodyera oblongifolia, Chimaphila umbellata, Clintonia uniflora</i>, and <i>Cornus canadensis</i>. <i>Hylocomium splendens</i> and <i>Rhytidiopsis robusta</i> are leading species in the moss layer, followed by <i>Pleurozium schreberi</i> and <i>Rhytidiadelphus loreus</i>. This intermediate association is distinguished by its normally gentle terrain on upper to lower and level slope positions and its slightly dry to fresh nutrient-poor to medium soils. In its mature to old-forest successional stage there should be an absence of drier site indicators such as <i>Pinus contorta, Arctostaphylos uva-ursi</i>, and <i>Cladonia</i> spp., as well as a general absence of species indicating more moist and/or rich soil conditions, such as <i>Tiarella trifoliata var. unifoliata, Gymnocarpium dryopteris, Streptopus lanceolatus</i>, and <i>Athyrium filix-femina</i>. 
Accession Code: urn:lsid:vegbank.org:commConcept:31735-{9DF8556F-6756-4345-BD58-AA344B79C6EB}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 13-Sep-2005 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.787600 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL002833
  Translated: Western Hemlock - Pacific Silver Fir - (Douglas-fir) / Splendid Feathermoss Forest
  Scientific: Tsuga heterophylla - Abies amabilis - (Pseudotsuga menziesii) / Hylocomium splendens Forest
(convergence) and Synonyms:
(similar) Tsuga heterophylla - Abies amabilis - (Pseudotsuga menziesii) / Hylocomium splendens Forest