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Pinus ponderosa / Purshia tridentata / Festuca idahoensis Woodland | NatureServe Biotics 2019
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Name: Pinus ponderosa / Purshia tridentata / Festuca idahoensis Woodland Reference: NatureServe Biotics 2019 Description: This association is a widespread woodland community which is a dominant part of the landscape in the eastern Cascades, and occurs as patches throughout the Blue Mountains, and in Idaho, northeastern Washington and Montana. Elevations vary between 780-1740 m (2550-5700 feet) on all aspects with slopes usually less than 35%. Soils are a mixture of sand, loam, and silt. These woodlands are dominated by <i>Pinus ponderosa</i> with occasional <i>Pinus contorta, Juniperus occidentalis</i>, or <i>Cercocarpus ledifolius</i>. The shrub layer is characterized by <i>Purshia tridentata</i> with occasional <i>Arctostaphylos patula, Ericameria bloomeri</i>, and <i>Ceanothus integerrimus</i>. The herbaceous layer is usually dominated by <i>Festuca idahoensis</i> with minor herbs such as <i>Elymus elymoides ssp. elymoides, Achnatherum occidentale ssp. occidentale, Lupinus</i> spp., <i>Achillea millefolium</i>, and <i>Fragaria virginiana</i>. Fires have historically maintained <i>Pinus ponderosa</i> while thinning fire-sensitive subordinate trees and shrubs.  Accession Code: urn:lsid:vegbank.org:commConcept:29104-{2696EBD1-0F22-4B6D-A770-24EDE8249A73} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: ongoing
	status: accepted Community's Parent: Pinus ponderosa / Shrub Understory Central Rocky Mountain Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.684286 NatureServe Explorer   Code: CEGL000195   Translated: Ponderosa Pine / Antelope Bitterbrush / Idaho Fescue Woodland   Scientific: Pinus ponderosa / Purshia tridentata / Festuca idahoensis Woodland (convergence) and Synonyms: (similar) CEGL000195 (similar) Pinus ponderosa / Purshia tridentata / Festuca idahoensis Woodland (similar) Pinus ponderosa / Purshia tridentata / Festuca idahoensis Woodland