Login | Datasets | Logout
 

View Community Concepts - Detail

Alnus incana / Glyceria striata Shrubland | Western Ecology Working Group of...
  click to update datacart
Name: Alnus incana / Glyceria striata Shrubland
Reference: Western Ecology Working Group of...
Description: This shrubland association is a widespread community known from around the rim of the northwestern end of the Columbia Plateau in Washington, in the Blue Mountains of Oregon, and in northern Idaho but of limited extent in the Pacific Northwest. Stands occur in narrow to moderately wide floodplains on streambanks and around springs. Sites are usually very low-gradient and can be characterized as "stagnant"; soils can include silts and mucks. These shrublands are characterized by stands of medium-tall and tall deciduous shrubs and herbaceous undergrowth of wetland-indicator grasses and forbs. They have little to no overstory tree canopy, although individual <i>Picea engelmannii, Abies grandis, Abies lasiocarpa</i>, or <i>Thuja plicata</i> trees may be present. Total shrub cover usually exceeds 50% and is dominated by <i>Alnus incana ssp. tenuifolia</i>, the diagnostic shrub. Other shrubs include <i>Cornus sericea, Symphoricarpos albus</i>, and <i>Ribes</i> spp. The understory of undisturbed stands has an herbaceous layer with abundant cover of <i>Glyceria striata (= Glyceria elata)</i> and/or <i>Cinna latifolia</i>. These grasses are often accompanied by <i>Calamagrostis canadensis</i> or <i>Elymus glaucus</i>. Other common herbs include <i>Geum macrophyllum, Galium triflorum</i>, and <i>Equisetum</i> spp. Heavily disturbed stands have abundant non-native grasses. 
Accession Code: VB.CC.34422.CEGL000228
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.2.683171 NatureServe ExplorerNatureServe Explorer logo
  Translated: Gray Alder / Fowl Mannagrass Shrubland
  Scientific: Alnus incana / Glyceria striata Shrubland
  Code: CEGL000228