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Ephedra trifurca Badlands Shrubland | NatureServe Biotics 2019
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Name: Ephedra trifurca Badlands Shrubland Reference: NatureServe Biotics 2019 Description: This joint-fir shrubland association is currently described from Grand Canyon National Park and Grand Canyon-Parashant National Monument in Arizona. More survey and classification work are needed to fully characterize this type. It typically occurs on rolling, hilly badlands at 550 to 600 m (1850-2000 feet) elevation, and is primarily found on very gentle gradients (0-3°), typically on west-facing aspects. It sometimes occurs on much steeper slopes (25-30°) as well. Soils are moderately- to rapidly-drained silty or sandy clays or loams that contain gypsum. The ground cover is strongly dominated by cryptogamic soil crusts (90%). Vegetation is characterized and dominated by the short shrub <i>Ephedra trifurca</i>. <i>Larrea tridentata</i> commonly occurs in a meager tall-shrub layer. The short-shrub layer usually also supports <i>Hymenoclea salsola, Psorothamnus fremontii</i>, and <i>Lycium andersonii</i>. A sparse dwarf-shrub layer of <i>Atriplex confertifolia</i> is typically present. <i>Vulpia octoflora</i> and sometimes <i>Schismus barbatus</i> (exotic) are common components of the graminoid understory. <i>Camissonia brevipes, Cryptantha</i> spp., and <i>Sphaeralcea grossulariifolia</i> almost always occur, while <i>Geraea canescens, Mentzelia</i> sp., <i>Eriogonum inflatum</i>, and <i>Erodium cicutarium</i> (exotic) occur sporadically in the forb layer.  Accession Code: urn:lsid:vegbank.org:commConcept:33881-{D9AB0506-21AE-4AA4-9FCF-80E64412A1A9} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 29-Jul-2010 to: ongoing
	status: accepted Community's Parent: Ephedra spp. - Leymus salinus - Eriogonum corymbosum Badlands Cold Desert Sparse Vegetation Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.840574 NatureServe Explorer   Code: CEGL005116   Translated: Longleaf Joint-fir Badlands Shrubland   Scientific: Ephedra trifurca Badlands Shrubland