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Populus tremuloides - Pinus jeffreyi Riparian Forest | NatureServe Biotics 2019
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Name: Populus tremuloides - Pinus jeffreyi Riparian Forest
Reference: NatureServe Biotics 2019
Description: This forest 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. This association is found on seasonally saturated soils on gentle to moderate lower slopes within or adjacent to narrow stream floodplains. Stands can occur on all aspects. This association seems to be confined to a fairly narrow elevation band, between 2130 and 2440 m (7000-8000 feet). Soils are usually well-drained loams and loamy sands. This forest forms a canopy between 10 and 35 m tall. <i>Pinus jeffreyi</i> dominates along with <i>Populus tremuloides</i>. Emergent individuals of <i>Pinus jeffreyi</i> are common. The shrub canopy is fairly sparse. <i>Artemisia tridentata</i> is present in nearly all stands. <i>Rosa woodsii, Symphoricarpos rotundifolius</i>, and <i>Cercocarpus ledifolius</i> are usually present. The herbaceous layer is sparse but diverse. The most common forbs include <i>Allium campanulatum, Descurainia californica, Osmorhiza berteroi</i>, and/or <i>Phacelia ramosissima</i>. Several graminoid species may be present including <i>Leymus cinereus, Bromus laevipes, Bromus tectorum, Poa pratensis, Elymus elymoides</i>, and/or <i>Elymus glaucus</i>. 
Accession Code: urn:lsid:vegbank.org:commConcept:32030-{5A64A4FF-3DB9-49CC-A888-7D5817701642}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 06-May-2010 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.688928 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL003147
  Translated: Quaking Aspen - Jeffrey Pine Riparian Forest
  Scientific: Populus tremuloides - Pinus jeffreyi Riparian Forest
(convergence) and Synonyms:
(similar) Populus tremuloides - Pinus jeffreyi Forest
(similar) Populus tremuloides - Pinus jeffreyi Forest