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Betula occidentalis / Maianthemum stellatum Shrubland | Western Ecology Working Group of...
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Name: Betula occidentalis / Maianthemum stellatum Shrubland Reference: Western Ecology Working Group of... Description: This plant association occurs within the Intermountain West from Colorado north and west into the Pacific Northwest. It typically forms a tall band of shrubs (1.5-2.5 m [5-8 feet]) lining the channel of first- and second-order streams in the elevational range of 2000-2700 m (6400-8800 feet). At higher elevations, conifer trees on the upper slopes intermix with <i>Betula occidentalis</i> at the streambank. At lower elevations along sunny valley bottoms, well-developed, large occurrences occupy relatively flat stream benches and often extend away from the channel edge. Other shrubs that may be present include <i>Alnus incana ssp. tenuifolia, Cornus sericea, Salix exigua, Jamesia americana, Amelanchier utahensis, Prunus virginiana</i>, and <i>Salix monticola</i>. The undergrowth can be a sparse or thick carpet of grasses and forbs. In undisturbed stands, forb species richness can be high, with over 30 species in one stand, and may include species such as <i>Maianthemum stellatum, Heracleum maximum, Thalictrum fendleri</i>, and <i>Rudbeckia laciniata</i>. Graminoid cover is usually low but can include <i>Poa pratensis, Equisetum arvense, Carex utriculata</i>, and others. An abundance of non-native grass species is considered an indication of past or current heavy grazing.  Accession Code: VB.CC.33943.CEGL001162 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.2.689544 NatureServe Explorer   Translated: Water Birch / Starry False Lily-of-the-Valley Shrubland   Code: CEGL001162   Scientific: Betula occidentalis / Maianthemum stellatum Shrubland