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Thuja plicata - Tsuga heterophylla / Lysichiton americanus / Sphagnum spp. Forest | Western Ecology Working Group of...
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Name: Thuja plicata - Tsuga heterophylla / Lysichiton americanus / Sphagnum spp. Forest Reference: Western Ecology Working Group of... Description: This association occurs in poor fens or bogs of wet coastal Washington and British Columbia. Topography can be basins or gentle slopes. Soils are generally saturated and composed of sphagnum, fibrous and heath peat, and woody material. The open, relatively stunted tree canopy is dominated by evergreen conifers <i>Thuja plicata</i> and <i>Tsuga heterophylla</i>. <i>Picea sitchensis</i> is also frequent. The shrub layer, rooted on woody debris, is dominated by evergreen <i>Gaultheria shallon</i>, with frequent <i>Menziesia ferruginea, Frangula purshiana</i> (mostly in Washington), and <i>Vaccinium ovalifolium</i>. The herbaceous layer is characterized by abundant <i>Lysichiton americanus</i> and <i>Blechnum spicant</i>. <i>Sphagnum</i> spp. usually dominate the moss layer and are always present. This association is distinguished by an open tree canopy of <i>Thuja</i> and <i>Tsuga</i> with at least 5% cover of <i>Lysichiton americanus</i> and <i>Sphagnum</i> spp., and the absence or paucity of both <i>Ledum</i> and <i>Myrica</i>. This type has some compositional similarities to ~<i>Thuja plicata - Tsuga heterophylla / Lysichiton americanus</i> Forest (CEGL002670)$$. Major differences include the abundance of <i>Sphagnum</i> (sometimes present in small amounts in the latter also), the open stunted canopy, and the soils which are typically peat as opposed to muck.  Accession Code: VB.CC.32313.CEGL001787 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.2.683415 NatureServe Explorer   Translated: Western Red-cedar - Western Hemlock / American Skunk-cabbage / Peatmoss species Forest   Scientific: Thuja plicata - Tsuga heterophylla / Lysichiton americanus / Sphagnum spp. Forest   Code: CEGL001787