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Quercus toumeyi / Muhlenbergia emersleyi Shrubland | Western Ecology Working Group of...
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Name: Quercus toumeyi / Muhlenbergia emersleyi Shrubland Reference: Western Ecology Working Group of... Description: This shrubland occurs in the 'Borderlands' of southwestern New Mexico and likely extends into southeastern Arizona and the very northern Sierra Madre Occidentale in Mexico. Stands occur in the foothills zone of isolated desert mountain ranges. Elevation ranges from 1500-1600 m. Stands are small and are described from a rocky knoll in a narrow valley bottom and on a moderately steep (35%), rocky slope in the Animas Mountains. Aspects are variable (NNE and south). Soils are gravelly loams derived from rhyolite, with high amounts of surface gravel and rocks (40-90% cover). This association has a moderately sparse (20% cover) tall-shrub layer (2-5 m) with a sparse herbaceous layer (<15% cover). The shrub layer is dominated by the broad-leaved evergreen oaks Quercus toumeyi and Quercus arizonica, which occasionally reach small tree size. Several other shrubs may be present, particularly succulents such as Nolina microcarpa, Dasylirion wheeleri, Opuntia imbricata, Yucca elata, and Agave palmeri. The sparse herbaceous layer is dominated by perennial grasses. The most abundant species are Muhlenbergia emersleyi, Bouteloua curtipendula, and Schizachyrium cirratum. The diversity of graminoid and forb species is high (>20 species), but most have cover less than 1%. The diagnostic characteristics of this evergreen shrubland is the dominance of Quercus toumeyi with Muhlenbergia emersleyi present in the herbaceous layer. Both Quercus toumeyi and Muhlenbergia emersleyi commonly occur on rocky slopes.  Accession Code: VB.CC.21924.QUERCUSTOUMEYIM Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Quercus toumeyi Shrubland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Toumey Oak / Bull Muhly Shrubland   UID: ELEMENT_GLOBAL.2.685157 NatureServe Explorer   Code: CEGL000976   Scientific: Quercus toumeyi / Muhlenbergia emersleyi Shrubland   Common: Toumey Oak / Bullgrass (convergence) and Synonyms: (undetermined) Quercus toumeyi / Muhlenbergia emersleyi Scrub