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Artemisia cana (ssp. bolanderi, ssp. viscidula) / Poa pratensis Ruderal Shrubland | Western Ecology Working Group of...
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Name: Artemisia cana (ssp. bolanderi, ssp. viscidula) / Poa pratensis Ruderal Shrubland
Reference: Western Ecology Working Group of...
Description: This association occurs in high mountain valleys, on broad flat, gently sloping to undulating alluvial outwash fans, first or second stream terraces, toeslopes or seeps. Elevation ranges from 1445 to 2560 m (4753-8400 feet). It generally occurs as narrow stringers along stream courses, or in meadows where the water table is near the surface seasonally. Soils are deep and finely textured, alluvial, often with mottling, indicating a fluctuating water table at depths of 60-100 cm below the soil surface. <i>Artemisia cana</i> is the major short-shrub component (10-40% canopy cover); other sagebrush species may also be present in lower abundance such as <i>Artemisia tridentata</i> or <i>Artemisia tridentata ssp. vaseyana</i>. Other shrubs include <i>Dasiphora fruticosa ssp. floribunda</i> and <i>Betula glandulosa</i>. The herbaceous cover is sparse to thick and is generally dominated by <i>Poa pratensis</i>. Other herbaceous species present include <i>Carex simulata, Juncus balticus, Hesperostipa</i> and/or <i>Achnatherum</i> spp. (= <i>Stipa</i> spp., <i>Achillea millefolium, Potentilla gracilis, Trifolium</i> spp., <i>Taraxacum officinale</i>, and <i>Geranium viscosissimum</i>. This association is considered a grazing-induced version of <i>Artemisia cana / Festuca idahoensis</i> in Idaho, Utah, western Wyoming and Montana, or <i>Artemisia cana / Deschampsia caespitosa</i> in northeastern Oregon. It can also be a grazing-induced type of <i>Artemisia cana / Pascopyrum smithii</i> and <i>Artemisia cana / Elymus trachycaulus</i>, also in Montana. Depending on the degree of disturbance, one may find traces of these native graminoid species in the undergrowth. 
Accession Code: VB.CC.34060.CEGL002988
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.2.689363 NatureServe ExplorerNatureServe Explorer logo
  Translated: (Bolander Silver Sagebrush, Mountain Silver Sagebrush) / Kentucky Bluegrass Ruderal Shrubland
  Scientific: Artemisia cana (ssp. bolanderi, ssp. viscidula) / Poa pratensis Ruderal Shrubland
  Code: CEGL002988