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Arctostaphylos hookeri ssp. montana Shrubland | Western Ecology Working Group of...
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Name: Arctostaphylos hookeri ssp. montana Shrubland
Reference: Western Ecology Working Group of...
Description: This association is endemic to the Golden Gate National Recreation Area and adjacent areas on Mount Tamalpais State Park, California. Stands are found at rocky serpentine ridgetops or the upper third of south-facing slopes that are convex or curved. Soils are moderately coarse and gravelly sandy loams derived from serpentine. Stands of this shrubland form an intermittent herb layer 25-50 cm tall and an intermittent shrub layer 0.5 to 1 m tall. It is strongly dominated by <i>Arctostaphylos hookeri ssp. montana</i>, a rare species generally found on serpentine outcrops on Mount Tamalpais. <i>Adenostoma fasciculatum</i> and <i>Arctostaphylos glandulosa ssp. glandulosa</i> are also found in this association. <i>Heteromeles arbutifolia, Calamagrostis ophitidis, Melica</i> sp., <i>Clarkia</i> sp., <i>Vulpia myuros, Eriodictyon californicum, Pseudotsuga menziesii, Castilleja foliolosa, Iris douglasiana</i>, and <i>Hypericum concinnum</i> may also contribute minor cover. Compared to the other chaparral associations on serpentine in the Mount Tamalpais area, this association is lower in stature and occupies the tops of ridgelines or dry exposed south-facing upper slopes. 
Accession Code: VB.CC.34654.CEGL003179
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.2.684237 NatureServe ExplorerNatureServe Explorer logo
  Translated: Mount Tamalpais Manzanita Shrubland
  Scientific: Arctostaphylos hookeri ssp. montana Shrubland
  Code: CEGL003179