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Betula occidentalis / Philadelphus lewisii Shrubland | Western Ecology Working Group of...
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Name: Betula occidentalis / Philadelphus lewisii Shrubland
Reference: Western Ecology Working Group of...
Description: This is a riparian, bottomland association found on seasonal streams to third-order perennial streams, in small, U-shaped to V-shaped, valley bottoms. Occurrences occur at relatively low elevations in the mountains of eastern Oregon and adjacent Idaho. <i>Betula occidentalis</i> forms a low, patchy canopy along the stream, and occasionally spreads out throughout the floodplain with cover ranging from 60-90%. <i>Philadelphus lewisii</i> is found throughout the bottomland, creating shrub thickets with overall cover ranging from 20-40%. Other trees and tall shrubs are rare, but can include <i>Salix</i> species (<i>Salix lemmonii, Salix exigua, Salix geyeriana</i>, or <i>Salix lasiolepis), Cornus sericea</i>, or <i>Crataegus douglasii</i>. Low shrubs (<i>Rosa woodsii, Ribes aureum, Toxicodendron radicans</i>), and graminoids (<i>Elymus glaucus, Carex douglasii, Carex amplifolia, Juncus balticus</i>) dominate the understory, along with some non-native grasses and forbs (<i>Bromus tectorum, Poa pratensis, Verbascum thapsus</i> and <i>Solanum dulcamara</i>). 
Accession Code: VB.CC.33940.CEGL002668
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.2.687933 NatureServe ExplorerNatureServe Explorer logo
  Translated: Water Birch / Lewis' Mock Orange Shrubland
  Code: CEGL002668
  Scientific: Betula occidentalis / Philadelphus lewisii Shrubland