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Abies concolor / Mahonia nervosa Forest | Western Ecology Working Group of...
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Name: Abies concolor / Mahonia nervosa Forest
Reference: Western Ecology Working Group of...
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 concolor</i> dominate both the overstory canopy with 50% and 29% cover and the understory with 6% and 25% cover, respectively. Average cover of common shrubs include <i>Mahonia nervosa (= var. nervosa)</i> (10%), <i>Symphoricarpos albus</i> (4%), and <i>Rosa gymnocarpa</i> (2%). Common herbs are <i>Goodyera oblongifolia, Anemone deltoidea</i>, and <i>Trientalis borealis ssp. latifolia (= Trientalis latifolia)</i> with respective cover values of 1%, 2%, and 2%. This association can be distinguished from the similar ~<i>Abies concolor / Mahonia nervosa - Gaultheria shallon</i> Forest (CEGL000013)$$ by the lack of <i>Gaultheria shallon</i>, and from the ~<i>Abies amabilis - Abies concolor / Mahonia nervosa</i> Forest (CEGL000215)$$ by the lack of additional codominant tree species. 
Accession Code: VB.CC.34531.CEGL000012
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.2.689467 NatureServe ExplorerNatureServe Explorer logo
  Translated: White Fir / Cascade Barberry Forest
  Scientific: Abies concolor / Mahonia nervosa Forest
  Code: CEGL000012