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Abies lowiana / Mahonia nervosa Forest | NatureServe Biotics 2019
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Name: Abies lowiana / Mahonia nervosa Forest
Reference: NatureServe Biotics 2019
Description: This association is common on relatively dry sites with moderate temperatures in the Klamath-Siskiyou region of Oregon and possibly northwestern California. Stands are found at elevations of 915-1680 m (3000-5500 feet) on all aspects and slopes. Parent material is highly variable with texture varying between loam and sand. <i>Pseudotsuga menziesii</i> and <i>Abies lowiana</i> dominate both the overstory canopy the understory. Average cover of common shrubs include <i>Mahonia nervosa, Symphoricarpos albus</i>, and <i>Rosa gymnocarpa</i>. Common herbs are <i>Goodyera oblongifolia, Anemone deltoidea</i>, and <i>Trientalis borealis ssp. latifolia</i>. This association can be distinguished from the similar ~<i>Pseudotsuga menziesii - Abies lowiana / Gaultheria shallon</i> Forest (CEGL000013)$$ by the lack of <i>Gaultheria shallon</i>, and from the ~<i>Abies amabilis - Abies lowiana / Mahonia nervosa</i> Forest (CEGL000215)$$ by the lack of additional codominant tree species. 
Accession Code: urn:lsid:vegbank.org:commConcept:28921-{E6DF7714-6BD6-42D7-AE1D-C2A379E73840}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.689467 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL000012
  Translated: Sierra White Fir / Cascade Barberry Forest
  Scientific: Abies lowiana / Mahonia nervosa Forest
(convergence) and Synonyms:
(similar) Abies concolor / Mahonia nervosa Forest
(similar) CEGL000012
(similar) Abies concolor / Mahonia nervosa Forest