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A.1609 | EcoArt 2002
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Name: A.1609
Reference: EcoArt 2002
Description: This alliance typically occurs at or slightly below the upper treeline in high Cascades of the Pacific Northwest, often in association with subalpine parkland. Deep snow accumulations and elevations between 1800-2000 m create a short growing season. These communities occur on well-drained, moderately steep to steep slopes, which clear of snow by early summer. These are lush herbaceous communities with a mixture of forbs and graminoids. ~Lupinus arcticus ssp. subalpinus$ is the dominant species, but ~Carex spectabilis$ may be codominant in some stands. Other forbs with high constancy include ~Polygonum bistortoides, Castilleja parviflora, Potentilla flabellifolia, Pulsatilla occidentalis (= Anemone occidentalis), Valeriana sitchensis$, and ~Erigeron peregrinus$. ~Carex nigricans$ and ~Festuca idahoensis$ are occasional graminoids present. 
Accession Code: VB.CC.1364.A1609
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: 17-Mar-2005
     
  • status: accepted
  • Community's Parent: V.B.2.N.a
  • This Community's Level: Alliance
  • This Community's Children: [none]
Names:   Code: A.1609
  Scientific: LUPINUS ARCTICUS HERBACEOUS ALLIANCE
  Common: Arctic Lupine Herbaceous Alliance
(convergence) and Synonyms:
(undetermined) Lupinus arcticus Herbaceous Alliance