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Pseudotsuga menziesii - Pinus strobiformis / Quercus hypoleucoides Forest & Woodland Group | NatureServe Biotics 2019
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Name: Pseudotsuga menziesii - Pinus strobiformis / Quercus hypoleucoides Forest & Woodland Group Reference: NatureServe Biotics 2019 Description: This forest and woodland group is found at upper elevations in the Sierra Madre Occidentale and Sierra Madre Orientale of Mexico. In the U.S., it occurs in the Sky Islands (Chiricahua, Huachuca, Pinaleno, Santa Catalina, and Santa Rita mountains) and along the Nantanes Rim and in southern New Mexico and the Trans-Pecos region of Texas (it does not occur north of the Mogollon Rim). The vegetation is characterized by large- and small-patch forests and woodlands dominated by <i>Abies coahuilensis, Abies concolor, Pinus strobiformis</i>, or <i>Pseudotsuga menziesii</i>, and Madrean evergreen oaks that include <i>Quercus hypoleucoides</i> and <i>Quercus rugosa</i>. Other oaks found mostly at the lower elevation limit include <i>Quercus arizonica, Quercus chrysolepis, Quercus emoryi, Quercus gravesii, Quercus grisea</i>, and <i>Quercus muehlenbergii</i>. <i>Acer grandidentatum</i> can be a canopy codominant, and <i>Juniperus deppeana</i> or <i>Juniperus flaccida</i> may also be present in the subcanopy. If <i>Quercus gambelii</i> is prominent in the shrub layer, then other Madrean elements are present. <i>Pinus ponderosa</i> and <i>Pinus arizonica</i> may occur as seral species mixed into the stands. Stands occur in cooler upper montane and subalpine sites in the Sierra Madres. Where it occurs in the U.S., it is restricted to the cooler north and east aspects at the upper elevations (1980-2700 m) in the Sky Island ranges. It may also occur at lower elevations in ravines and canyons where there is significant cold-air drainage. Soils are very rocky and derived from granite and rhyolite. It is similar to ~Southern Rocky Mountain White Fir - Douglas-fir Dry Forest Group (G226)$$, but that group typically lacks Madrean elements.  Accession Code: urn:lsid:vegbank.org:commConcept:40000-{3595F7E3-9D4B-4866-AC35-98F250BD92B7} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 10-Nov-2015 to: ongoing
	status: accepted Community's Parent: Pinus leiophylla - Pseudotsuga menziesii / Quercus hypoleucoides Madrean Montane Forest & Woodland Macrogroup This Community's Level: Group This Community's Children: Show/Hide   Acer grandidentatum - Quercus gravesii - Quercus muehlenbergii Forest & Woodland Alliance   Pseudotsuga menziesii / Quercus hypoleucoides - Quercus rugosa Forest & Woodland Alliance		Names:   UID: ELEMENT_GLOBAL.2.833207 NatureServe Explorer   Code: G202   Scientific: Pseudotsuga menziesii - Pinus strobiformis / Quercus hypoleucoides Forest & Woodland Group