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Pinus leiophylla / Piptochaetium fimbriatum Woodland | Western Ecology Working Group of...
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Name: Pinus leiophylla / Piptochaetium fimbriatum Woodland Reference: Western Ecology Working Group of... Description: This Madrean conifer woodland occurs in the mountains of southeastern Arizona, southwestern New Mexico and possibly northern Mexico. Stands are naturally small and patchy in distribution being restricted to flat to gently sloping streamsides and alluvial benches along drainages and washes. Elevation is roughly 1520-1830 m. Soils are fluventic and derived from alluvial sediments. The open to moderately dense (25-60% cover) tree canopy has an overstory of <i>Pinus leiophylla</i> (8% cover), with a subcanopy codominated by <i>Pinus discolor</i> (10%) and <i>Juniperus deppeana</i> (13%) with evergreen oaks present such as <i>Quercus arizonica</i> or <i>Quercus x organensis [arizonica x grisea]</i> hybrid, <i>Quercus hypoleucoides</i>, and <i>Quercus emoryi</i>. Occasional <i>Platanus wrightii, Juglans major, Prunus serotina</i>, and <i>Fraxinus velutina</i> may also occur in the tree canopy. The shrub layer is typically moderately dense (&gt;25%) and is dominated by tree regeneration and shrubs such as <i>Quercus toumeyi, Quercus rugosa</i>, and <i>Rhus trilobata</i>. Other species, including <i>Arctostaphylos pungens, Nolina microcarpa, Frangula betulifolia, Garrya wrightii</i>, and the vine <i>Vitis arizonica</i>, are also present in low cover. The moderately dense herbaceous layer (25-60% cover) is dominated by the perennial grass <i>Piptochaetium fimbriatum</i>. <i>Aristida schiedeana var. orcuttiana (= Aristida orcuttiana), Bouteloua curtipendula, Bouteloua gracilis, Bromus porteri (= Bromopsis porteri), Carex geophila</i>, and <i>Muhlenbergia longiligula</i> are also common, but the herbaceous layer is typically very diverse and includes sparse cover of many other grass and forb species. The <i>Pinus leiophylla</i> overstory and <i>Piptochaetium fimbriatum</i>-dominated herbaceous layer are diagnostic of this late-successional woodland.  Accession Code: VB.CC.33432.CEGL000821 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.2.683069 NatureServe Explorer   Scientific: Pinus leiophylla / Piptochaetium fimbriatum Woodland   Code: CEGL000821   Translated: Chihuahuan Pine / Pinyon Speargrass Woodland