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Larrea tridentata / Muhlenbergia porteri Shrubland | Western Ecology Working Group of...
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Name: Larrea tridentata / Muhlenbergia porteri Shrubland Reference: Western Ecology Working Group of... Description: From Muldavin et al. (2000b): This major Chihuahuan Desert community occupies piedmonts extending out from the San Andres Mountains into the Tularosa basin of New Mexico. Additional stands are less frequent, but present, on the Malpais Lava Flow and within the Jornada del Muerto basin. Regionally, occurrences are common throughout the Southwest, into west Texas, across northern Mexico, and into Arizona and probably southern California. This shrubland type occurs on all aspects and across various landforms at low elevations. However, it is most prevalent on gentle to moderate slopes of remnant alluvial fan platform summits. Here the soils are often calcareous with silty to sandy loam alluvial layers overlying sandy horizons and ground surfaces consisting of near equal distributions of gravel and bare soil, with occasional scattered rocks. This open and generally tall shrubland is dominated by <i>Larrea tridentata</i> and has a characteristic distribution of <i>Muhlenbergia porteri</i> dominating underneath or within the shrub canopy. The shrub layer is diverse and may include <i>Prosopis glandulosa</i> (a suggested phase), or scattered <i>Parthenium incanum</i>, various pad cacti, <i>Gutierrezia sarothrae, Atriplex canescens</i>, and <i>Flourensia cernua</i> (usually at lower elevations). The inter-shrub spaces are usually sparsely vegetated with scattered grasses and forbs such as <i>Dasyochloa pulchella (= Erioneuron pulchellum)</i> (usually less than 1% average cover), <i>Bahia absinthifolia</i>, and <i>Acourtia nana</i>.  Accession Code: VB.CC.33491.CEGL001272 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: accepted This Community's Level: association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.687586 NatureServe Explorer   Translated: Creosotebush / Bush Muhly Shrubland   Scientific: Larrea tridentata / Muhlenbergia porteri Shrubland   Code: CEGL001272