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Pinus ponderosa - Quercus kelloggii / Arctostaphylos viscida Woodland | Western Ecology Working Group of...
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Name: Pinus ponderosa - Quercus kelloggii / Arctostaphylos viscida Woodland Reference: Western Ecology Working Group of... Description: This ponderosa pine woodland association is currently known from Yosemite National Park in California but is likely to occur throughout the Sierra Nevada and perhaps elsewhere in northern California. It is also reported from the Klamath Mountains of Oregon. The following description is based on occurrences at Yosemite National Park. Additional global information will be added as it becomes available. Stands are found at relatively xeric sites at low elevations (520-1370 m [1700-4500 feet]) on the low to high portions of mostly south- to southwest-facing (and occasionally northeast-facing at the lowest elevations), gentle to moderately steep (7-16°), mostly linear mountain slopes. Soils are poorly developed and fairly rocky with textures ranging from sandy loam to clay loam from metamorphic and granitic parent material. Soils are somewhat poorly drained to well-drained. Litter is high. This association is dominated by <i>Pinus ponderosa</i> in the open to intermittent overstory tree layer and <i>Arctostaphylos viscida</i> in the open to continuous understory shrub layer. Often present in the overstory are <i>Pinus lambertiana</i> and <i>Quercus kelloggii</i>. <i>Pinus attenuata</i> and <i>Quercus wislizeni</i> may occasionally be found contributing minor cover. Often in the shrub layer is <i>Toxicodendron diversilobum</i>. <i>Bromus diandrus, Galium parisiense, Hypochaeris glabra</i>, and <i>Vulpia myuros</i> common. <i>Quercus kelloggii</i> in either seedling, sapling (shrubby) or tree form is a constant, although at usually relatively low cover. A variety of other species may also be found contributing minor cover including <i>Comandra umbellata ssp. californica, Bromus hordeaceus, Chamaebatia foliolosa, Clarkia purpurea, Eriogonum nudum, Lessingia leptoclada, Lotus unifoliolatus var. unifoliolatus, Streptanthus tortuosus, Stephanomeria virgata</i>, and <i>Trifolium wormskioldii</i>.  Accession Code: VB.CC.32822.CEGL008694 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.2.688555 NatureServe Explorer   Translated: Ponderosa Pine - California Black Oak / Sticky Whiteleaf Manzanita Woodland   Scientific: Pinus ponderosa - Quercus kelloggii / Arctostaphylos viscida Woodland   Code: CEGL008694