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Pinus jeffreyi / Quercus vacciniifolia Sierra Nevada Woodland | NatureServe Biotics 2019
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Name: Pinus jeffreyi / Quercus vacciniifolia Sierra Nevada Woodland
Reference: NatureServe Biotics 2019
Description: This woodland association is currently only known from Yosemite National Park in California, and the following description is based on occurrences there. Additional information will be added as it becomes available. Stands are found at mid elevations (1920-2590 m [6300-8500 feet]) on variable slopes (4-58%). These site are typically southeast- and southwest-facing and on the middle, upper and ridges of slopes. The microrelief of these sites are usually hummocky and broken. Soils are excessively to poorly drained and have more surface gravel than most nearby associations. Soil depth is moderately deep to deep (33-100+ cm [13-40+ inches]) with textures that are often sandy loam and sand from granitic parent material. The topsoil has a high coarse fragment cover. Stands form an open tree layer dominated by <i>Pinus jeffreyi</i> and an intermittent to dense understory shrub layer dominated by <i>Quercus vacciniifolia</i>. <i>Abies lowiana</i> and <i>Abies magnifica</i> are typically found here as well. In some cases <i>Pinus jeffreyi</i> is in near equal cover to <i>Abies lowiana</i> and <i>Abies magnifica</i>. The understory is characterized by <i>Quercus vacciniifolia</i> with usually lesser amounts of <i>Arctostaphylos nevadensis</i>. Other species that may occasionally be present include <i>Ceanothus cordulatus</i>. Herbaceous species may include <i>Pedicularis semibarbata, Arabis platysperma, Eriogonum nudum, Gayophytum eriospermum, Erigeron breweri, Monardella odoratissima ssp. pallida, Elymus elymoides ssp. elymoides</i>, and <i>Achnatherum occidentale</i>. 
Accession Code: urn:lsid:vegbank.org:commConcept:36753-{8ADCFB3E-D482-40CE-A2CB-64A61C789008}
Plot-observations of this Community Concept: 1
      Party Perspective according to: NatureServe (organization)
Perspective from: 06-May-2010 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.688215 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL008714
  Translated: Jeffrey Pine / Huckleberry Oak Sierra Nevada Woodland
  Scientific: Pinus jeffreyi / Quercus vacciniifolia Sierra Nevada Woodland
(convergence) and Synonyms:
(similar) CEGL008714
(similar) Pinus jeffreyi / Quercus vacciniifolia Sierra Nevada Woodland
(similar) Pinus jeffreyi / Quercus vacciniifolia Sierra Nevada Woodland