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Ambrosia chamissonis - Malacothrix incana - Poa douglasii Sand Dune | NatureServe Biotics 2019
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Name: Ambrosia chamissonis - Malacothrix incana - Poa douglasii Sand Dune
Reference: NatureServe Biotics 2019
Description: This association is characterized by a sparse to scattered dune herbaceous vegetation dominated by <i>Ambrosia chamissonis, Malacothrix incana</i>, and <i>Poa douglasii</i>. The non-native <i>Carpobrotus chilensis</i> may also be a dominant forb. The overall plant cover ranges from 1 to 60%. Other associated species include shrubs <i>Isocoma menziesii</i> and <i>Lupinus albifrons</i> and herbaceous species <i>Astragalus miguelensis, Erigeron glaucus</i>, and <i>Abronia maritima</i>. <i>Ambrosia</i> may be dominant and, if so, the cover of <i>Abronia, Cakile maritima</i>, or <i>Distichlis spicata</i> is low. At least two of the three species found in the association name must be present and abundant. The association is known from San Miguel and Santa Rosa islands of the southern Channel Islands, and may occur on the southern California mainland. It occurs on active sand dunes and in more stabilized areas and may have very low total cover. 
Accession Code: urn:lsid:vegbank.org:commConcept:37382-{94454F26-F25C-47E5-BDB5-21B6C6AB87B2}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 16-Aug-2016 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.964239
  Code: CEPP005676
  Translated: Silver Bur-ragweed - Dunedelion - Douglas' Bluegrass Sand Dune
  Scientific: Ambrosia chamissonis - Malacothrix incana - Poa douglasii Sand Dune