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Chorizanthe rigida - Geraea canescens Desert Pavement | NatureServe Biotics 2019
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Name: Chorizanthe rigida - Geraea canescens Desert Pavement
Reference: NatureServe Biotics 2019
Description: This often sparse desert pavement association occurs at low to mid elevations in the Mojave Desert and extends into the southern Great Basin in California and Nevada. Annual herbs <i>Chorizanthe rigida</i> and/or <i>Geraea canescens</i> are dominant or codominant and characteristic species in the sparse to moderately dense herbaceous layer (to 52% cover) with a variety of other herb species such as <i>Camissonia, Chaenactis, Cryptantha, Eriogonum, Pectocarya</i>, and exotics <i>Bromus rubens</i> and <i>Schismus</i> spp. Scattered shrubs may be present with low cover (&lt;2%). Stands are found on well-developed desert pavement, primarily on low-lying areas such as valley floors and low slopes of alluvial fans/bajadas at -100 to 900 m elevation, commonly on hot western to southern aspects. Sites are very hot and dry and occur on flat to moderately steep slopes on all aspects. Soils are usually coarse-textured, typically sand and loam derived from alluvium or less often finer-textured soil derived from a variety of parent materials. 
Accession Code: urn:lsid:vegbank.org:commConcept:36761-{DB572C2F-AEF9-4A39-80B8-33C16F26BC81}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 21-Nov-2016 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.878891 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL009686
  Translated: Devil's Spineflower - Hairy Desert-sunflower Desert Pavement
  Scientific: Chorizanthe rigida - Geraea canescens Desert Pavement