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Picea sitchensis - Acer macrophyllum / Oplopanax horridus - Rubus spectabilis / Maianthemum dilatatum Forest | NatureServe Biotics 2019
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Name: Picea sitchensis - Acer macrophyllum / Oplopanax horridus - Rubus spectabilis / Maianthemum dilatatum Forest Reference: NatureServe Biotics 2019 Description: This floodplain forest occurs on rich, moist high-bench floodplains of rivers that flood every few years in coastal British Columbia. The range of this plant community occurs along rivers at lower elevations (0 to 600 m) of coastal British Columbia from the Chilliwack River north to Knight Inlet. Soils are derived from fluvial materials and have a fluctuating water table. This mixed floodplain forest community has a varied overstory of deciduous and coniferous trees, a well-developed, diverse shrub layer, a moderate to well-developed herb layer dominated by <i>Maianthemum dilatatum</i> and <i>Prosartes hookeri</i>, and a poorly developed moss layer of leafy mosses. The multi-layered overstory has moderate to high cover of <i>Acer macrophyllum</i>, low to high cover of <i>Populus balsamifera</i> and <i>Picea sitchensis</i>, and low to moderate cover of <i>Alnus rubra</i>. The well-developed shrub layer has moderate cover of <i>Rubus spectabilis</i> and <i>Acer circinatum</i>, low to high cover of <i>Oplopanax horridus</i>, low to moderate cover of <i>Ribes bracteosum</i> and <i>Symphoricarpos albus</i>, and low cover of <i>Sambucus racemosa</i>. Often there is low to moderate cover of <i>Rubus parviflorus</i>. Sites with lower cover of <i>Acer circinatum</i> tend to have higher cover of <i>Oplopanax horridus, Rubus spectabilis</i>, and <i>Ribes bracteosum</i>. The herb layer is characterized by low to high cover of <i>Maianthemum dilatatum</i> with moderate cover of <i>Prosartes hookeri</i>, low to moderate cover of <i>Athyrium filix-femina, Osmorhiza berteroi</i>, and <i>Dryopteris expansa</i>, and low cover of <i>Galium triflorum, Mycelis muralis, Maianthemum stellatum, Claytonia sibirica</i>, and <i>Dicentra formosa</i>. The poorly developed moss layer consists primarily of <i>Mnium</i> sp. and occasionally other bryophyte species.  Accession Code: urn:lsid:vegbank.org:commConcept:31692-{B9FD3702-4B00-4F75-B48E-59DC811DC69C} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 24-May-2005 to: ongoing
	status: accepted Community's Parent: Picea sitchensis / Rubus spectabilis Mesic Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.783947 NatureServe Explorer   Code: CEGL002788   Translated: Sitka Spruce - Bigleaf Maple / Devil's-club - Salmonberry / False Lily-of-the-Valley Forest   Scientific: Picea sitchensis - Acer macrophyllum / Oplopanax horridus - Rubus spectabilis / Maianthemum dilatatum Forest (convergence) and Synonyms: (similar) Picea sitchensis - Acer macrophyllum / Oplopanax horridus - Rubus spectabilis / Maianthemum dilatatum Forest