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Hesperostipa neomexicana - Bouteloua curtipendula Grassland | NatureServe Biotics 2019
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Name: Hesperostipa neomexicana - Bouteloua curtipendula Grassland Reference: NatureServe Biotics 2019 Description: This association has been documented primarily in central New Mexico, but likely extends into the Southern Shortgrass Prairie of eastern New Mexico. It is specifically known from the foothills of the Sierra Oscura, San Andres Mountains, and Otero Mesa. This association primarily occurs on steep colluvial slopes and on the mid and upper portions of smooth dip slopes with warm to moderate aspects. Stands also occur within upland valleys that dissect the eastern slopes of the Sierra Oscura. Elevations are moderate to high at 1400-2200 m (4600-7200 feet). Substrates are generally Paleozoic limestones and/or sandstones, but occasionally include igneous granitic rocks. The ground surfaces are generally gravelly, with scattered rocks and little exposed soil. Surface soils range from sandy loams to clays. With depth, soils often have well-developed caliche layers of secondary calcium carbonate accumulation. This Plains-Mesa-Foothill grassland is characterized by a luxuriant cover of the cool-season grass <i>Hesperostipa neomexicana</i>, along with the warm-season grass <i>Bouteloua curtipendula</i>. The grass layer also includes other <i>Bouteloua</i> and <i>Aristida</i> spp. that are present in over half the stands. The shrub layer seldom exceeds 5% cover and consists mostly of low-growing dwarf species such as <i>Parthenium incanum, Yucca baccata, Opuntia phaeacantha</i> and <i>Dalea formosa</i>. The forb layer is minimal, with <i>Melampodium leucanthum</i> being the most constant species.  Accession Code: urn:lsid:vegbank.org:commConcept:30618-{D8A001AF-21DE-4DE1-9354-B5BACA835541} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: ongoing
	status: accepted Community's Parent: Muhlenbergia emersleyi - Muhlenbergia setifolia - Hesperostipa neomexicana Madrean Lower Montane Grassland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.685415 NatureServe Explorer   Code: CEGL001709   Translated: New Mexico Feathergrass - Sideoats Grama Grassland   Common: New Mexico Feathergrass - Sideoats Grama Mixedgrass Prairie   Scientific: Hesperostipa neomexicana - Bouteloua curtipendula Grassland (convergence) and Synonyms: (similar) Hesperostipa neomexicana - Bouteloua curtipendula Herbaceous Vegetation (similar) CEGL001709 (similar) Hesperostipa neomexicana - Bouteloua curtipendula Herbaceous Vegetation