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Pinus ponderosa / Wyethia mollis Woodland | Western Ecology Working Group of...
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Name: Pinus ponderosa / Wyethia mollis Woodland Reference: Western Ecology Working Group of... Description: This is an open woodland found in the eastern Cascades ecoregion in south-central Oregon. This association occurs at elevations between 1525 and 1950 m (5000-6400 feet) in eastern Oregon. Slopes vary from 5-40%. Sites are usually on convex topography over andesite, basalt, or rhyolite. Soils are gravelly silt loams to gravelly clay, and are well-drained. <i>Pinus ponderosa</i> is the major tree cover, varying from 5-50%. <i>Abies concolor</i> often occurs at the upper elevational phases of this association but remains <10% cover. <i>Juniperus occidentalis</i> may occur at <10% cover. <i>Wyethia mollis</i> occurs at <30% cover except in recently disturbed sites where it may be over 50% cover. Other shrubs usually found are <i>Purshia tridentata</i> and <i>Amelanchier alnifolia</i> usually exist at low cover values. <i>Achillea millefolium</i> is usually found up to 10% cover. A number of other forbs and grasses can be found. No single grass species (<i>Elymus elymoides</i> and <i>Poa nervosa</i>) covers more than 10%.  Accession Code: VB.CC.33051.CEGL000206 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.2.686825 NatureServe Explorer   Translated: Ponderosa Pine / Woolly Mule's-ears Woodland   Scientific: Pinus ponderosa / Wyethia mollis Woodland   Code: CEGL000206