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Abies lasiocarpa - Picea engelmannii / Arnica latifolia Forest | Western Ecology Working Group of...
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Name: Abies lasiocarpa - Picea engelmannii / Arnica latifolia Forest
Reference: Western Ecology Working Group of...
Description: This association is known from eastern Idaho, western Wyoming and northern Utah. It is dense forest canopy with low cover of shrub and herbaceous layers. It occurs on gentle to moderate terrain on all aspects, from 2255-2835 m (7400-9300 feet) elevation. Soils are from a wide range of parent materials and range from well-drained sandy clay loams to moderately well-drained silty clays. <i>Abies lasiocarpa</i> and <i>Picea engelmannii</i> codominant this forested association. <i>Pseudotsuga menziesii, Pinus contorta</i>, and <i>Pinus albicaulis</i> may be present. The shrub layer may have <i>Ribes montigenum</i> and <i>Paxistima myrsinites</i>, which can be common and occasionally dominates the undergrowth. <i>Arnica latifolia</i> dominates the forb layer that may include <i>Eucephalus engelmannii (= Aster engelmannii)</i> and <i>Pedicularis racemosa</i>. <i>Arnica latifolia</i> can be difficult to distinguish from <i>Arnica cordifolia</i>. The leaves on flowering stems of <i>Arnica latifolia</i> are largest toward the middle and are short-petioled to sessile, whereas those of <i>Arnica cordifolia</i> are largest near the base and are distinctly petiolate. <i>Arnica latifolia</i> is restricted to relatively moist sites; <i>Arnica cordifolia</i> occurs on many dry forest sites. 
Accession Code: VB.CC.32061.CEGL000299
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.2.689554 NatureServe ExplorerNatureServe Explorer logo
  Translated: Subalpine Fir - Engelmann Spruce / Daffodil Leopardbane Forest
  Scientific: Abies lasiocarpa - Picea engelmannii / Arnica latifolia Forest
  Code: CEGL000299