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Pinus leiophylla / Quercus arizonica Woodland | Western Ecology Working Group of...
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Name: Pinus leiophylla / Quercus arizonica 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 the Peloncillo Mountains in New Mexico, and the Chiricahua, Galiuro and Pinaleno mountains in southern Arizona. There are a few isolated outliers in the central highlands of Arizona (Tonto National Forest and Fort Apache Indian Reservation). Stands typically occur on steep to very steep slopes with northerly aspects at elevations from 1600-2165 m (5250-7100 feet). Soils are shallow (50 cm to bedrock), cobbly, and with low water-holding capacity. <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. The undergrowth is distinctively shrubby and dominated by <i>Quercus arizonica</i>; <i>Quercus hypoleucoides</i> is often abundant but subordinate to <i>Quercus arizonica</i>. <i>Quercus emoryi</i> may also be present, but is usually poorly represented. Along with the evergreen oaks, there are xeric shrubs such as <i>Garrya wrightii, Yucca schottii, Arctostaphylos pungens, Rhus aromatica</i>, and <i>Nolina microcarpa</i>. Xeric grasses are characteristic and include <i>Schizachyrium cirratum, Aristida schiedeana var. orcuttiana (= Aristida orcuttiana)</i>, and <i>Muhlenbergia longiligula</i>. <i>Piptochaetium fimbriatum</i> may be present but poorly represented and not dominant. Forbs are diverse, variable, and scarce in cover; the most constant forbs are <i>Packera neomexicana (= Senecio neomexicanus), Gnaphalium</i> spp., <i>Solidago velutina (= Solidago sparsiflora), Bahia dissecta</i>, and <i>Cheilanthes fendleri</i>.  Accession Code: VB.CC.33431.CEGL000822 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.2.688344 NatureServe Explorer   Translated: Chihuahuan Pine / Arizona White Oak Woodland   Scientific: Pinus leiophylla / Quercus arizonica Woodland   Code: CEGL000822