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Populus balsamifera ssp. trichocarpa / Oplopanax horridus - Acer glabrum Riparian Forest | NatureServe Biotics 2019
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Name: Populus balsamifera ssp. trichocarpa / Oplopanax horridus - Acer glabrum Riparian Forest
Reference: NatureServe Biotics 2019
Description: This minor streambank forest occurs in narrow, very steep valleys along perennial and ephemeral streams between 793 and 1128 m (2600-3700 feet) elevation in northeast Washington. Sites are typically cold and wet. <i>Populus balsamifera ssp. trichocarpa</i> dominates an open overstory occasionally with other hardwoods, such as <i>Populus tremuloides</i> or <i>Betula papyrifera</i>, but is more frequently associated with conifers <i>Pseudotsuga menziesii</i> or <i>Thuja plicata</i> with low cover. <i>Oplopanax horridus</i> dominates the shrub layer and may codominate with <i>Acer glabrum var. douglasii</i>. Either <i>Alnus incana ssp. tenuifolia</i> or <i>Philadelphus lewisii</i> may be present. Forb cover is low and is composed of species such as <i>Streptopus amplexifolius, Viola glabella, Prosartes hookeri</i>, or <i>Actaea rubra</i>. Graminoids are unusual, although <i>Cinna latifolia</i> is often present. <i>Athyrium filix-femina</i> is usually present in low cover along with other ferns. 
Accession Code: urn:lsid:vegbank.org:commConcept:29391-{9BB8A133-B702-44FE-B37F-2EBD772BACB7}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 17-Oct-2002 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.688724 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL000482
  Translated: Black Cottonwood / Devil's-club - Rocky Mountain Maple Riparian Forest
  Scientific: Populus balsamifera ssp. trichocarpa / Oplopanax horridus - Acer glabrum Riparian Forest
(convergence) and Synonyms:
(similar) CEGL000482
(similar) Populus balsamifera ssp. trichocarpa / Oplopanax horridus - Acer glabrum Forest
(similar) Populus balsamifera ssp. trichocarpa / Oplopanax horridus - Acer glabrum Forest