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Pinus leiophylla / Quercus emoryi Woodland | Western Ecology Working Group of...
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Name: Pinus leiophylla / Quercus emoryi Woodland Reference: Western Ecology Working Group of... Description: This highly diverse `Madrean' woodland association is restricted to the isolated `sky island' mountain ranges of southwestern New Mexico, southern Arizona, and northern Mexico. It is specifically known from Canelo Hills, and Patagonia, Pinaleno, Galiuro, Huachuca mountains in southern Arizona, and the Peloncillo Mountains in New Mexico. There are a few isolated outliers in the central highlands of Arizona (Tonto National Forest and Fort Apache Indian Reservation). This warm, dry association reaches the lowest elevations of the alliance, ranging from 1510-1970 m (4960-6450 feet). It is generally found on moderate slopes of northerly aspect. In the southern portion of its range it occurs on rhyolite and granite; to the north it occurs on sandstone. Soils tend to be shallow and rocky. <i>Pinus leiophylla</i> forms an open canopy with <i>Pinus cembroides</i> and <i>Juniperus deppeana</i> in the subcanopy. <i>Pinus ponderosa</i> sometimes is present as a climax codominant. A diagnostic feature is well-represented to abundant cover of <i>Quercus emoryi</i>, which occurs as a small tree or shrub. <i>Quercus arizonica</i> is also well-represented and often codominates, but <i>Quercus hypoleucoides</i> is poorly represented. Other shrubs include <i>Arctostaphylos pungens, Arctostaphylos pringlei, Nolina microcarpa, Garrya wrightii</i>, and <i>Rhus aromatica</i>. This type has a distinctively grassy undergrowth dominated by Madrean drought-tolerant species such as <i>Muhlenbergia longiligula, Muhlenbergia emersleyi, Aristida schiedeana var. orcuttiana (= Aristida orcuttiana)</i>, and <i>Schizachyrium cirratum</i>. Forbs are diverse, variable, and scattered; the most constant species are <i>Packera neomexicana (= Senecio neomexicanus), Glandularia bipinnatifida (= Verbena bipinnatifida), Lathyrus graminifolius, Gnaphalium</i> spp., and <i>Cheilanthes fendleri</i>.  Accession Code: VB.CC.33430.CEGL000823 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.2.688153 NatureServe Explorer   Translated: Chihuahuan Pine / Emory Oak Woodland   Scientific: Pinus leiophylla / Quercus emoryi Woodland   Code: CEGL000823