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Pinus edulis - (Juniperus osteosperma) / Bouteloua gracilis Woodland | Western Ecology Working Group of...
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Name: Pinus edulis - (Juniperus osteosperma) / Bouteloua gracilis Woodland Reference: Western Ecology Working Group of... Description: This woodland association is known from the mountains and mesas in the southern Colorado Plateau, Mogollon Rim and extends into southern Utah and western Colorado. Sites are variable, but generally are relatively dry and rocky. Stands occur on flat to moderate slopes along drainages and on mesa tops, on gentle to moderate, 10-40%, rocky slopes of foothills, and at the base of cinder cones. The substrates are variable and range from deep, coarse-textured soil derived from cinder to finer-textured soils derived from sandstone and limestone. The vegetation is characterized by an open to moderately dense tree canopy (10-65% cover) codominated by Pinus edulis and Juniperus osteosperma. Pinus edulis may be present with relatively small cover in some stands. Juniperus deppeana may replace Juniperus osteosperma in southern stands. Other species of Juniperus such as Juniperus scopulorum may be present in higher elevation stands. Shrub cover is sparse (<10% cover). If Quercus gambelii is present, it has less than 5% cover. Other associated shrubs may be present in low cover such as Cercocarpus montanus, Ericameria nauseosa, Rhus trilobata, or Yucca spp. The herbaceous layer is typically moderately dense and is dominated by the warm-season, perennial short grass Bouteloua gracilis. Associated graminoids include Aristida spp., Achnatherum hymenoides (= Oryzopsis hymenoides), Bouteloua curtipendula, Elymus elymoides, Koeleria macrantha, Hesperostipa comata (= Stipa comata), Hesperostipa neomexicana (= Stipa neomexicana), and Pleuraphis jamesii (= Hilaria jamesii). Muhlenbergia montana is absent or scarce (<1% cover). Forb cover is typically low, but may be moderately diverse.  Accession Code: VB.CC.23112.PINUSEDULISJUNI Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Pinus edulis - (Juniperus spp.) Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Two-needle Pinyon - (Utah Juniper) / Blue Grama Woodland   UID: ELEMENT_GLOBAL.2.686619 NatureServe Explorer   Code: CEGL000778   Scientific: Pinus edulis - (Juniperus osteosperma) / Bouteloua gracilis Woodland (convergence) and Synonyms: (undetermined) Pinus edulis - (Juniperus osteosperma) / Bouteloua gracilis Woodland