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Betula occidentalis / Philadelphus lewisii Wet Shrubland | NatureServe Biotics 2019
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Name: Betula occidentalis / Philadelphus lewisii Wet Shrubland
Reference: NatureServe Biotics 2019
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 arcticus ssp. littoralis</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: urn:lsid:vegbank.org:commConcept:31576-{ACE52F70-83E5-41BD-8E6C-291A4BE8C000}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 02-Dec-1998 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.687933 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL002668
  Translated: Water Birch / Lewis' Mock Orange Wet Shrubland
  Scientific: Betula occidentalis / Philadelphus lewisii Wet Shrubland
(convergence) and Synonyms:
(similar) CEGL002668
(similar) Betula occidentalis / Philadelphus lewisii Shrubland
(similar) Betula occidentalis / Philadelphus lewisii Shrubland