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Pinus ponderosa - Juniperus scopulorum - Abies concolor Riparian Woodland Alliance | NatureServe Biotics 2019
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Name: Pinus ponderosa - Juniperus scopulorum - Abies concolor Riparian Woodland Alliance
Reference: NatureServe Biotics 2019
Description: Vegetation included in this riparian alliance is characterized by an open canopy of conifers. Dominant species include <i>Pinus ponderosa, Juniperus scopulorum</i>, and/or <i>Abies concolor</i>. Other conifer or deciduous trees may be present but the stand remains characterized by conifer dominance. Typically a tall-shrub layer is present, with species such as <i>Alnus</i> spp., <i>Betula occidentalis, Cornus sericea, Crataegus douglasii, Juglans major, Prunus virginiana, Quercus garryana</i>, or <i>Salix</i> spp. The herbaceous layer can be dominated by either graminoids or forbs. This alliance occurs on low-elevation streams in valleys that vary from V-shaped to trough-shaped or broad and flat, and stream gradients are typically moderate. These woodlands can occur as broad, extensive stands on wider floodplain terraces or as narrow, long ribbons. Sites include mountain valleys, foothill ravines, terraces and alluvial benches of major streams and rivers. In southern Arizona, stands occur along smaller perennial streams and washes. Soils are cobbly, coarse-textured and derived from alluvium. This alliance is found throughout the Rocky Mountains, south into Arizona and New Mexico, and west into the Columbia Basin of Washington and Oregon. 
Accession Code: urn:lsid:vegbank.org:commConcept:39011-{711E6003-3A26-41D3-A7C4-259D6D22F895}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Sep-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899849 NatureServe ExplorerNatureServe Explorer logo
  Code: A3797
  Translated: Ponderosa Pine - Rocky Mountain Juniper - White Fir Riparian Woodland Alliance
  Common: Ponderosa Pine - Rocky Mountain Juniper - White Fir Riparian Woodland
  Scientific: Pinus ponderosa - Juniperus scopulorum - Abies concolor Riparian Woodland Alliance