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Alnus viridis ssp. sinuata Shrub Swamp | NatureServe Biotics 2019
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Name: Alnus viridis ssp. sinuata Shrub Swamp Reference: NatureServe Biotics 2019 Description: In Washington, this association occurs at middle to high elevations on a variety of sites that are often steep. Such areas occurs above glacier meadows, near large lateral moraines, near small dry subalpine streambeds, on talus and on debris cones. Site are topographically moist but well-drained. The well-developed tall-shrub layer is dominated by <i>Alnus viridis ssp. sinuata</i>. Few other shrubs are present with the exception of <i>Sambucus racemosa</i>. The associated understory species are diverse although no single species appears in all plots. <i>Heracleum maximum, Hydrophyllum fendleri</i>, and <i>Thalictrum occidentale</i> are the most constant and are often prominent. <i>Claytonia sibirica, Maianthemum stellatum, Valeriana sitchensis, Veratrum viride</i>, and <i>Pteridium aquilinum</i> are infrequent but are prominent to codominant when they do occur.  Accession Code: urn:lsid:vegbank.org:commConcept:30063-{D2FA47F4-ECE7-464B-BC16-BEE38563F07C} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 05-Dec-2015 to: ongoing
	status: accepted Community's Parent: Alnus viridis ssp. sinuata - Alnus viridis ssp. fruticosa - Acer circinatum Shrub Swamp Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.687080 NatureServe Explorer   Code: CEGL001154   Translated: Sitka Alder Shrub Swamp   Scientific: Alnus viridis ssp. sinuata Shrub Swamp (convergence) and Synonyms: (similar) CEGL001154