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Silene acaulis Alpine Fell-field | NatureServe Biotics 2019
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Name: Silene acaulis Alpine Fell-field
Reference: NatureServe Biotics 2019
Description: This Rocky Mountain association occurs in alpine fell-fields in southwestern Montana and north-central Colorado. Stands are located on flat to gently sloping ridges and summits. These ridgetops are subject to extremely high winds and are blown free of snow in winter. The ground is covered with rocks that have been stabilized for a long period of time. These fell-field sites differ from talus or scree sites which are located on steeper slopes and are unstable and often moving. Soils are derived from metamorphic or igneous rocks. Vegetation is characterized by an open to dense low herbaceous layer dominated by cushion or mat-forming species that spread horizontally over the ground surface. <i>Silene acaulis</i> is the dominant species. <i>Arenaria fendleri, Carex rupestris, Carex elynoides, Castilleja puberula, Erigeron pinnatisectus, Festuca brachyphylla, Geum rossii, Minuartia obtusiloba, Selaginella densa, Tonestus pygmaeus</i>, and <i>Trifolium dasyphyllum</i> are common associates. Lichens dominate the nonvascular stratum with up to 30% cover. Diagnostic of this fell-field community is the dominance of <i>Silene acaulis</i> with other cushion plants. 
Accession Code: urn:lsid:vegbank.org:commConcept:30843-{9122A886-892A-4E55-86E6-09C2ADF3E2A5}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 18-Jan-2005 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.689465 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL001934
  Translated: Moss Campion Alpine Fell-field
  Scientific: Silene acaulis Alpine Fell-field
(convergence) and Synonyms:
(similar) CEGL001934
(similar) Silene acaulis Herbaceous Vegetation
(similar) Silene acaulis Herbaceous Vegetation