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Mortonia utahensis Scrub Alliance | NatureServe Biotics 2019
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Name: Mortonia utahensis Scrub Alliance Reference: NatureServe Biotics 2019 Description: This alliance forms an open shrub layer. The emergent tree layer is typically sparse, and the herbaceous layer is open. <i>Mortonia utahensis</i> is dominant or codominant in the shrub layer, and other shrubs often present include <i>Echinocactus polycephalus, Echinocereus engelmannii, Eriogonum heermannii</i>, and <i>Gutierrezia sarothrae</i>. Dominant and characteristic herbs include <i>Bromus rubens</i> and <i>Sphaeralcea ambigua</i>, and <i>Aristida purpurea</i> is often present. Cryptogamic crust is often present. The alliance is currently known from Lake Mead National Recreation Area, Nevada, Mojave National Preserve and Death Valley National Monument, California, and Grand Canyon National Park, Arizona, where it is found primarily on skeletal rocky slopes of various aspects. Elevations range from approximately 900 to 1700 m. Soils are typically calcareous, and textures include clay loam, silty clay loam, and sandy loam.  Accession Code: urn:lsid:vegbank.org:commConcept:39357-{BA257EC5-4F00-41FB-BB37-B1A41EED494D} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 22-Jan-2015 to: ongoing
	status: accepted Community's Parent: Yucca brevifolia - Eriogonum fasciculatum - Ephedra aspera Mixed Desert Scrub Group This Community's Level: Alliance This Community's Children: Show/Hide   Mortonia utahensis Shrubland		Names:   UID: ELEMENT_GLOBAL.2.941891 NatureServe Explorer   Code: A4158   Translated: Utah Mortonia Scrub Alliance   Common: Utah Mortonia Scrub   Scientific: Mortonia utahensis Scrub Alliance