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Alnus incana / Scirpus microcarpus Shrubland | Western Ecology Working Group of...
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Name: Alnus incana / Scirpus microcarpus Shrubland Reference: Western Ecology Working Group of... Description: This association is recognized as a minor shrub-fen <i>Alnus incana ssp. tenuifolia</i> type that appears in the Thompson-Okanogan Plateau of Washington and in the Blue Mountains of Oregon. Washington samples are located between 845-945 m (2800-3100 feet) elevation in broad, low-gradient valleys along meandering streams or in shrub wetlands. Oregon stands are found at higher elevations located between 1220 and 1586 m (4000-5200 feet). These sites can occur where lots of deposition occurs on floodplains under alder or where sands and gravels have been dumped into an <i>Alnus incana</i> wetland. Soils are typically organic with a shallow water table and often with some exposed surface water. This association has the highest average cover of <i>Alnus incana ssp. tenuifolia</i> in 16 <i>Alnus incana ssp. tenuifolia</i> types on the national forests of eastern Washington. <i>Cornus sericea</i> and <i>Salix bebbiana</i> are frequent shrubs that occur with very low cover in this community. The herbaceous layer contains wet-site graminoids and forbs and is dominated by <i>Scirpus microcarpus</i> (well over 20% cover). Common herbaceous species, whose combined cover is typically much less than <i>Scirpus microcarpus</i>, include <i>Glyceria striata (= Glyceria elata), Carex utriculata, Equisetum arvense, Epilobium ciliatum ssp. watsonii</i>, and <i>Veronica americana</i>.  Accession Code: VB.CC.34332.CEGL000481 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.2.685229 NatureServe Explorer   Translated: Gray Alder / Panicled Bulrush Shrubland   Scientific: Alnus incana / Scirpus microcarpus Shrubland   Code: CEGL000481