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Populus balsamifera ssp. trichocarpa / Cornus sericea / Impatiens capensis Riparian Forest | NatureServe Biotics 2019
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Name: Populus balsamifera ssp. trichocarpa / Cornus sericea / Impatiens capensis Riparian Forest Reference: NatureServe Biotics 2019 Description: This mid-seral association occurs on floodplains along the middle reaches of the lower Columbia River in Oregon and Washington, and perhaps other large rivers in western Washington. Soils are anoxic silt loams and are subject to daily freshwater tidal inundation and seasonal riparian flooding. Stands are laced with dendritic tidal creeks and sloughs that enable daily tidal flooding into the interior of stands. Topography is flat to undulating, with local microrelief caused by logs, stumps, and soil interspersed among seasonally to permanently flooded pools. <i>Populus balsamifera ssp. trichocarpa</i> is the dominant and often the only tree, with lesser amounts of <i>Salix lucida ssp. lasiandra</i> and <i>Fraxinus latifolia</i>. The often nearly impenetrable shrub layer is dominated by <i>Cornus sericea, Rubus spectabilis</i>, and <i>Rubus ursinus</i>. The somewhat sparse herb layer is dominated by <i>Impatiens capensis</i>, sometimes codominated by <i>Carex leptopoda</i> or <i>Lysichiton americanus</i>.  Accession Code: urn:lsid:vegbank.org:commConcept:32290-{BEE045C8-97A8-4BA7-8C37-32BB6D97F83D} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 21-Oct-2002 to: ongoing
	status: accepted Community's Parent: Fraxinus latifolia - Populus balsamifera ssp. trichocarpa - Alnus spp. Riparian Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.683956 NatureServe Explorer   Code: CEGL003408   Translated: Black Cottonwood / Red-osier Dogwood / Orange Jewelweed Riparian Forest   Scientific: Populus balsamifera ssp. trichocarpa / Cornus sericea / Impatiens capensis Riparian Forest (convergence) and Synonyms: (similar) CEGL003408 (similar) Populus balsamifera ssp. trichocarpa / Cornus sericea / Impatiens capensis Forest (similar) Populus balsamifera ssp. trichocarpa / Cornus sericea / Impatiens capensis Forest