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Black Hills Cliff, Scree & Rock Alliance | NatureServe Biotics 2019
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Name: Black Hills Cliff, Scree & Rock Alliance
Reference: NatureServe Biotics 2019
Description: This alliance is characterized by sparsely vegetated rock, cliff and scree areas of the Black Hills. Vegetation is dominated by widely spaced woody species of trees and shrubs. Common dominant trees include <i>Pinus ponderosa</i> and <i>Juniperus scopulorum</i>. <i>Arctostaphylos uva-ursi</i> and <i>Juniperus communis</i> are the most common dwarf-shrub species. Depending on the site, ferns, forbs or graminoids may dominate the sparse herbaceous layer. Common dominants include <i>Achillea millefolium, Carex inops ssp. heliophila, Campanula rotundifolia</i>, and <i>Woodsia oregana</i>. Few vascular plants grow in this community, although lichens are common. Stands occur on volcanic cones, buttes, large rock outcrops (greater than 20 m vertical relief) and hills or small mountains with large rock exposures on multiple sides. There is little soil development; what soil there is can be found in cracks and depressions in the rock surface. 
Accession Code: urn:lsid:vegbank.org:commConcept:38956-{E587FB08-7E35-4448-85F6-263ED1359FD2}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Sep-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.899794 NatureServe ExplorerNatureServe Explorer logo
  Code: A3742
  Translated: Black Hills Cliff, Scree & Rock Alliance
  Common: Black Hills Cliff, Scree & Rock
  Scientific: Black Hills Cliff, Scree & Rock Alliance