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Crataegus douglasii / Rosa woodsii Shrubland | Western Ecology Working Group of...
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Name: Crataegus douglasii / Rosa woodsii Shrubland
Reference: Western Ecology Working Group of...
Description: This association occurs in the Columbia Basin along low-elevation, low-gradient streams with broad floodplains that are flooded seasonally. Due to the low gradients, however, the floodplains are rarely scoured. The association is composed of a partially closed canopy of the broad-leaved, deciduous tall-shrub Crataegus douglasii, which is typically 3-6 m tall. Occasional individuals of the broad-leaved deciduous trees Populus tremuloides, Populus balsamifera ssp. trichocarpa, Betula occidentalis or Alnus incana may occur, but they never dominate the stand. A broad-leaved, deciduous short-shrub layer is present, with varying amounts of cover. Common species include Rosa woodsii, Salix exigua, and Amelanchier alnifolia. The herbaceous layer is composed of perennial grasses, such as Leymus cinereus (= Elymus cinereus), Deschampsia caespitosa, and Elymus glaucus. Some Carex species do occur. 
Accession Code: VB.CC.21992.CRATAEGUSDOUGLA
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: 17-Nov-2014
      Names:   Translated: Black Hawthorn / Woods' Rose Shrubland
  UID: ELEMENT_GLOBAL.2.685759 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL001095
  Scientific: Crataegus douglasii / Rosa woodsii Shrubland
  Common: Black Hawthorn - Woods' Rose Shrubland
(convergence) and Synonyms:
(undetermined) Crataegus douglasii / Rosa woodsii Shrubland