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Juniperus osteosperma / Hesperostipa comata Woodland | Western Ecology Working Group of...
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Name: Juniperus osteosperma / Hesperostipa comata Woodland Reference: Western Ecology Working Group of... Description: This woodland association occurs on slopes, hills, benches and alluvial terraces in the Colorado Plateau of western Colorado and eastern Utah. Sites are on level to moderately sloping terrain that may be oriented to any aspect. Elevation of most stands ranges from 1423 to 1880 m (4670-6165 feet) but may occur as high as 2200 m (7215 feet) on warm southerly exposures that discourage establishment of <i>Pinus edulis</i>. Most sites have sandy soils derived from eolian sands, sandstone or alluvium, but at Capitol Reef National Park, some stands occur on barren shale slopes of the Carmel Formation. Soils are generally sandy loams, with a few stands on clay loams. Gravel, bare ground or cryptobiotic crusts cover much of the unvegetated surface. The vegetation is characterized by a savanna-like distribution of 2- to 5-m tall <i>Juniperus osteosperma</i> trees that range in cover from 5 to 15% and the bunchgrass <i>Hesperostipa comata</i> that ranges in cover from 5 to 25%. Shrubs are generally present but too sparse to form a layer. Common species include <i>Coleogyne ramosissima, Ephedra torreyana, Ephedra viridis, Eriogonum microthecum, Gutierrezia sarothrae</i>, and <i>Opuntia polyacantha</i>. The herbaceous layer is diverse and has up to 30% cover, including <i>Hesperostipa</i>. Other characteristic graminoids include <i>Poa fendleriana, Bouteloua eriopoda, Bouteloua gracilis, Pleuraphis jamesii</i>, and <i>Achnatherum hymenoides</i>. Forbs may be diverse but contribute little cover; <i>Hymenoxys richardsonii</i> and <i>Mirabilis multiflora</i> are among the few species recorded in sampled plots.  Accession Code: VB.CC.31935.CEGL002815 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.2.785372 NatureServe Explorer   Translated: Utah Juniper / Needle-and-Thread Woodland   Scientific: Juniperus osteosperma / Hesperostipa comata Woodland   Code: CEGL002815