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Pinus ponderosa - Quercus garryana / Balsamorhiza sagittata Woodland | Western Ecology Working Group of...
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Name: Pinus ponderosa - Quercus garryana / Balsamorhiza sagittata Woodland
Reference: Western Ecology Working Group of...
Description: This mixed evergreen-deciduous woodland occupies hot, dry sites between 645-1060 m elevation on the eastern slope of the Oregon Cascades. Stands normally grow on ridges and upper slope positions of south-facing hillsides. Temperatures are very warm during the growing season and precipitation is low. These conditions limit the cover of trees and shrubs. The tree canopy is dominated by <i>Pinus ponderosa</i> and <i>Quercus garryana</i> with an occasional <i>Pseudotsuga menziesii</i>. Average tree cover is 50%, with <i>Pinus ponderosa</i> slightly more dominant than <i>Quercus garryana</i>. Trees are short and sparse. The shrub layer is also quite sparse, generally confined to small amounts of <i>Ceanothus prostratus, Ceanothus integerrimus</i>, or <i>Symphoricarpos</i> sp. Average cover of shrubs is only about 5%. The herbaceous flora is diverse, with <i>Balsamorhiza sagittata</i> the diagnostic species. <i>Lupinus caudatus</i> and <i>Lomatium triternatum</i> are always present and conspicuous. The graminoid layer is dominated by <i>Festuca idahoensis</i> and <i>Pseudoroegneria spicata</i>. This association has sparser shrub cover than ~<i>Pinus ponderosa - Quercus garryana / Purshia tridentata</i> Woodland (CEGL000883)$$. 
Accession Code: VB.CC.32834.CEGL000881
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.2.684242 NatureServe ExplorerNatureServe Explorer logo
  Translated: Ponderosa Pine - Oregon White Oak / Arrowleaf Balsamroot Woodland
  Scientific: Pinus ponderosa - Quercus garryana / Balsamorhiza sagittata Woodland
  Code: CEGL000881