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Betula occidentalis / Mesic Graminoids Shrubland | Western Ecology Working Group of...
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Name: Betula occidentalis / Mesic Graminoids Shrubland Reference: Western Ecology Working Group of... Description: This shrubland association often occurs as dense bands up to 35 m wide along moderately wide to wide floodplains in mountain valleys of Colorado and Nevada, and probably Utah. Stands also occur in small patches at higher elevations and around seeps and isolated springs on hillslopes away from the valley bottom. These shrublands are characterized by bands of vegetation, dominated by Betula occidentalis (40-60% canopy cover) but often including Ribes inerme and Salix bebbiana. This vegetation may extend well way from the channel edge in deep pockets of sandy loam soils. Alnus incana may be codominant. Picea pungens and Juniperus scopulorum may also be present but usually with low cover. Stands with a dense shrub layer may have a limited (<10%), but diverse, herbaceous cover. Graminoids typically dominate the herbaceous layer where the most abundant species usually include Carex pellita (= Carex lanuginosa), Carex deweyana, or Carex nebrascensis. Deschampsia caespitosa and Carex utriculata are often present as well. Forb cover includes at least 1% cover each of Achillea millefolium, Cardamine cordifolia, Heracleum maximum, Maianthemum stellatum, and Vicia americana. The introduced grasses Agrostis stolonifera and Poa pratensis may be present in disturbed stands. Diagnostic of this association is the dominance of Betula occidentalis in the shrub layer and the dominance of mesic graminoids in the herbaceous layer.  Accession Code: VB.CC.26374.BETULAOCCIDENTA Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 09-Apr-1998 to: 17-Nov-2014
	status: accepted Community's Parent: Betula occidentalis Seasonally Flooded Shrubland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Water Birch / Mesic Graminoids Shrubland   UID: ELEMENT_GLOBAL.2.689273 NatureServe Explorer   Code: CEGL002654   Scientific: Betula occidentalis / Mesic Graminoids Shrubland (convergence) and Synonyms: (undetermined) Betula occidentalis / Mesic Graminoids Shrubland