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Betula occidentalis / Maianthemum stellatum Wet Shrubland | NatureServe Biotics 2019
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Name: Betula occidentalis / Maianthemum stellatum Wet Shrubland
Reference: NatureServe Biotics 2019
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: urn:lsid:vegbank.org:commConcept:30071-{5F3654D3-528C-4B6E-8A9B-5D2FBB6ABFBC}
Plot-observations of this Community Concept: 25
      Party Perspective according to: NatureServe (organization)
Perspective from: 07-Feb-2006 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.689544 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL001162
  Translated: Water Birch / Starry False Lily-of-the-Valley Wet Shrubland
  Scientific: Betula occidentalis / Maianthemum stellatum Wet Shrubland
(convergence) and Synonyms:
(similar) Betula occidentalis / Maianthemum stellatum Shrubland
(similar) Betula occidentalis / Maianthemum stellatum Shrubland
(similar) CEGL001162