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Pinus edulis / Muhlenbergia pauciflora Woodland | NatureServe Biotics 2019
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Name: Pinus edulis / Muhlenbergia pauciflora Woodland Reference: NatureServe Biotics 2019 Description: This is a major community of the San Andres and Oscura mountains of New Mexico and is also known from the Sacramento and Capitan mountains that are directly east of White Sands Missile Range. This association typically occurs on cool and steep escarpments at moderate to high elevations (1830-2410 m [6000-7900 feet]). Soils derive mostly from limestone, are moderately shallow, and range from weakly developed aridic Inceptisols to more developed and mesic Mollisols. Soils tend to be fine loamy, but can have 10 to 50% gravel and cobble content at the surface. Caliche or secondary calcium carbonate accumulations are also common. This open woodland is dominated by <i>Pinus edulis</i> with <i>Juniperus monosperma</i> as a subdominant or codominant. Scattered patches of <i>Muhlenbergia pauciflora</i> characterize this type along with other bunchgrasses such as <i>Bouteloua curtipendula</i>, along with <i>Achnatherum scribneri</i> and <i>Koeleria macrantha</i> (usually under the trees). Grass cover seldom exceeds 25%, and can occasionally range below 5%. Stands can have a diverse shrubby layer (33 species noted), but shrubs usually do not exceed 10% total cover. <i>Cercocarpus montanus, Quercus x pauciloba, Yucca baccata, Rhus trilobata, Gutierrezia sarothrae, Nolina microcarpa</i>, and <i>Opuntia phaeacantha</i> are the most consistent and abundant associates. Several forbs are possible (35+ species), but only <i>Viguiera dentata</i> is moderately constant.  Accession Code: urn:lsid:vegbank.org:commConcept:29694-{80D0E8CE-97D4-4A50-BC92-1E203378021D} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 16-Oct-2018 to: ongoing
	status: accepted Community's Parent: Pinus cembroides - Pinus discolor - Pinus edulis / Grass Understory Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.685216 NatureServe Explorer   Code: CEGL000785   Translated: Two-needle Pinyon / New Mexico Muhly Woodland   Scientific: Pinus edulis / Muhlenbergia pauciflora Woodland (convergence) and Synonyms: (similar) Pinus edulis / Muhlenbergia pauciflora Woodland (similar) CEGL000785 (similar) Pinus edulis / Muhlenbergia pauciflora Woodland