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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 Pinus ponderosa and Quercus garryana with an occasional Pseudotsuga menziesii. Average tree cover is 50%, with Pinus ponderosa slightly more dominant than Quercus garryana. Trees are short and sparse. The shrub layer is also quite sparse, generally confined to small amounts of Ceanothus prostratus, Ceanothus integerrimus, or Symphoricarpos sp. Average cover of shrubs is only about 5%. The herbaceous flora is diverse, with Balsamorhiza sagittata the diagnostic species. Lupinus caudatus and Lomatium triternatum are always present and conspicuous. The graminoid layer is dominated by Festuca idahoensis and Pseudoroegneria spicata. This association has sparser shrub cover than Pinus ponderosa - Quercus garryana / Purshia tridentata Woodland (CEGL000883).  Accession Code: VB.CC.20180.PINUSPONDEROSAQ Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Pinus ponderosa - Quercus garryana Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Ponderosa Pine - Oregon White Oak / Arrowleaf Balsamroot Woodland   UID: ELEMENT_GLOBAL.2.684242 NatureServe Explorer   Code: CEGL000881   Scientific: Pinus ponderosa - Quercus garryana / Balsamorhiza sagittata Woodland   Common: Ponderosa Pine - Oregon White Oak / Arrowleaf Balsamroot (convergence) and Synonyms: (undetermined) Pinus ponderosa - Quercus garryana / Balsamorhiza sagittata Woodland