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Abies grandis / Coptis occidentalis Forest | Western Ecology Working Group of...
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Name: Abies grandis / Coptis occidentalis Forest
Reference: Western Ecology Working Group of...
Description: This plant association is known from stands located between the South Fork of the Clearwater and Salmon rivers, within the Idaho Batholith ecoregional section. The mountainous region possesses a Pacific maritime-influenced climatic regime. Winters are mild and moist; summers are dry. The association occurs on steep, north-facing slopes in upper-slope positions at 1585 to 1650 m (5200-5400 feet) elevation. Soils are generally shallow, but may have a significant component of volcanic ash, especially in the upper layers. <i>Pinus contorta, Pinus ponderosa</i>, or <i>Larix occidentalis</i> often dominate early- and mid-seral stands. <i>Pseudotsuga menziesii</i> is often dominant in the forest overstory in late-seral stands. A low-shrub layer is well-developed and dominated by <i>Vaccinium membranaceum (= Vaccinium globulare)</i>, with minor amounts of <i>Rubus parviflorus, Lonicera utahensis</i> and <i>Chimaphila umbellata</i>. The herbaceous layer is dominated by perennial forbs, with <i>Coptis occidentalis</i> being the most abundant. Several other species are indicative of the cool, moist conditions beneath the overstory: <i>Galium triflorum, Viola orbiculata, Mitella stauropetala</i> and <i>Thalictrum occidentale</i>. 
Accession Code: VB.CC.34702.CEGL000273
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.2.683583 NatureServe ExplorerNatureServe Explorer logo
  Translated: Grand Fir / Idaho Goldthread Forest
  Scientific: Abies grandis / Coptis occidentalis Forest
  Code: CEGL000273