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Ericameria nauseosa - (Xylorhiza tortifolia) Talus Sparse Shrubland | NatureServe Biotics 2019
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Name: Ericameria nauseosa - (Xylorhiza tortifolia) Talus Sparse Shrubland
Reference: NatureServe Biotics 2019
Description: This sparse shrubland occurs in the Colorado Plateau and is known from Canyonlands National Park and Glen Canyon National Recreation Area in southeastern Utah. Total vegetation cover ranges from 2 to 14%. The vegetation is characterized by a sparse shrub canopy dominated by <i>Ericameria nauseosa var. juncea</i> with up to 8% cover. Associated shrubs, dwarf-shrubs and succulents include scattered <i>Ephedra viridis, Ephedra torreyana, Chrysothamnus viscidiflorus var. stenophyllus, Gutierrezia sarothrae, Xylorhiza tortifolia, Yucca angustissima</i>, and <i>Opuntia polyacantha var. erinacea</i>. Occasional <i>Juniperus osteosperma</i> trees and seedlings may be present with less than 1% cover. The sparse herbaceous layer has variable composition, depending on the substrate. Species such as <i>Pleuraphis jamesii, Achnatherum hymenoides, Tiquilia latior, Cryptantha</i> sp., <i>Stanleya pinnata, Lepidium montanum var. jonesii</i>, and <i>Eriogonum inflatum</i> are commonly present. The introduced annual grass <i>Bromus tectorum</i> is common in some stands. Although biological soil crusts provide little cover (because most of the surface is rock-covered), they are well-developed and include <i>Collema</i> sp., <i>Gyalolechia</i> sp., <i>Toninia</i> sp., mosses, and dark cyanobacteria. Stands occur on colluvium in canyons on gentle to steep slopes (5-34°) between 1142 and 1549 m elevation. Rocks and gravel cover most of the unvegetated surface, with low cover by bare soil. Soils are rapidly drained sands, loams, and sandy clay loams derived from talus/colluvial or alluvial deposits, 
Accession Code: urn:lsid:vegbank.org:commConcept:32810-{2DFB2E5E-2C51-4702-9AEC-993946F73DAF}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 09-Aug-2016 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.793511 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL003961
  Translated: Rubber Rabbitbrush – (Mojave Woody-aster) Talus Sparse Shrubland
  Scientific: Ericameria nauseosa - (Xylorhiza tortifolia) Talus Sparse Shrubland
(convergence) and Synonyms:
(similar) Ericameria nauseosa Sparse Shrubland