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Carex nigricans - Sibbaldia procumbens - Trollius laxus Wet Meadow Alliance | NatureServe Biotics 2019
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Name: Carex nigricans - Sibbaldia procumbens - Trollius laxus Wet Meadow Alliance
Reference: NatureServe Biotics 2019
Description: In this alliance, <i>Carex nigricans, Sibbaldia procumbens</i>, or <i>Trollius laxus</i> form a low dominant mat with high average cover and frequency, and occasionally with codominance and even dominance of other forbs such as <i>Parnassia fimbriata, Phippsia algida, Polygonum bistortoides</i>, and <i>Potentilla flabellifolia</i>. Other prominent species are <i>Luetkea pectinata, Polytrichum lyallii, Pseudoleskea radicosa, Vahlodea atropurpurea</i>, and the lichen <i>Lepraria neglecta</i>. <i>Phleum alpinum, Deschampsia cespitosa</i>, and <i>Juncus drummondii</i> may also be abundant. Stands occur from 1750 m to 3540 m in elevation in snowbed habitats, where snow accumulates in the winter and melts late in summer and are found adjacent to melting snowbanks, in wet meadows, streambanks, and depressions in subalpine and alpine areas of the Cascade Range and Rocky Mountains. 
Accession Code: urn:lsid:vegbank.org:commConcept:39044-{F027C2C8-4E75-40C0-A3E3-80CB06E5DA36}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Sep-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899884 NatureServe ExplorerNatureServe Explorer logo
  Code: A3832
  Translated: Black Alpine Sedge - Creeping Sibbaldia - American Globeflower Wet Meadow Alliance
  Common: Black Alpine Sedge - Sibbaldia - Globeflower Wet Meadow
  Scientific: Carex nigricans - Sibbaldia procumbens - Trollius laxus Wet Meadow Alliance