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Populus balsamifera ssp. trichocarpa / Salix lucida ssp. caudata Riparian Woodland | NatureServe Biotics 2019
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Name: Populus balsamifera ssp. trichocarpa / Salix lucida ssp. caudata Riparian Woodland Reference: NatureServe Biotics 2019 Description: This association is known from scattered locations in the Blue Mountains of eastern Oregon, Washington and adjacent west-central and southwestern Idaho. The association occurs between 915 and 1372 m (3000-4500 feet) elevation on alluvial bars and abandoned channels of low-gradient, narrow streams to broad rivers (i.e., stream orders 3 and 4). The association is most often expressed in an early-seral state characterized by abundant <i>Populus balsamifera ssp. trichocarpa</i> seedlings and saplings and large areas of exposed coarse alluvial deposits. However, stands with mature overstory <i>Populus balsamifera ssp. trichocarpa</i> trees also occur. Total <i>Populus balsamifera ssp. trichocarpa</i> cover typically ranges from about 20-70%, while <i>Salix lucida ssp. caudata</i> forms a tall-shrub layer with 20-60% cover. A variety of woody species, such as other <i>Salix</i> species and conifer seedlings, are usually present, but all have low cover. This association is heavily influenced by annual cycles of flooding, scouring, and ice disturbance. As a result, total herbaceous cover is low and characterized by pioneering, often exotic, species. The most important understory herbaceous species is <i>Poa pratensis</i>, although the native grass <i>Elymus glaucus</i> and colonizing forbs, such as <i>Achillea millefolium, Solidago canadensis</i>, and <i>Taraxacum officinale</i>, are also commonly encountered.  Accession Code: urn:lsid:vegbank.org:commConcept:32313-{852691F7-0616-48BB-94D2-E5B5E6C13A87} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 18-Oct-2002 to: ongoing
	status: accepted Community's Parent: Populus balsamifera ssp. trichocarpa Northern Rocky Mountain Riparian Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.685660 NatureServe Explorer   Code: CEGL003431   Translated: Black Cottonwood / Greenleaf Willow Riparian Woodland   Scientific: Populus balsamifera ssp. trichocarpa / Salix lucida ssp. caudata Riparian Woodland (convergence) and Synonyms: (similar) Populus balsamifera ssp. trichocarpa / Salix lucida ssp. caudata Woodland (similar) Populus balsamifera ssp. trichocarpa / Salix lucida ssp. caudata Woodland (similar) CEGL003431