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Bouteloua rothrockii Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Bouteloua rothrockii Herbaceous Vegetation Reference: Western Ecology Working Group of... Description: This mixed desert grassland association occurs on alluvial fans, ridges, and valley floors in southern Arizona. Elevation ranges from 1030-1105 m (3388-3625 feet). Sites occur on gentle to moderate slopes. Substrates are variable but have been described as well-drained sandy loam. Rock cover is generally low (<10%). The moderate to dense (>35% cover) herbaceous layer is typically strongly dominated by the perennial grass <i>Bouteloua rothrockii</i> with abundant cover (>10%). Diverse, mixed native perennial grasses generally codominate and often include species such as <i>Hilaria belangeri, Bouteloua eriopoda, Bouteloua curtipendula</i>, and <i>Eragrostis intermedia</i>. <i>Gutierrezia microcephala</i> or <i>Gutierrezia sarothrae</i> cover is significant in some stands. Annual grasses are often abundant, but there is good cover of perennial grasses. Scattered shrubs <i>Prosopis velutina</i> and <i>Isocoma tenuisecta</i> may be present with low cover. Other common species include <i>Ambrosia confertiflora, Aristida ternipes, Bouteloua aristidoides, Bouteloua barbata, Chloris virgata, Eriochloa acuminata, Kallstroemia grandiflora, Portulaca suffrutescens</i>, and <i>Solanum elaeagnifolium</i>. The exotic perennial grass <i>Eragrostis lehmanniana</i> is often present but with less than 25% cover and less than a third of the total cover of perennial grasses.  Accession Code: VB.CC.31797.CEGL005330 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: Provisional This Community's Level: association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.806325 NatureServe Explorer   Translated: Rothrock's Grama Herbaceous Vegetation   Code: CEGL005330   Scientific: Bouteloua rothrockii Herbaceous Vegetation