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Pinus edulis - Juniperus osteosperma / Hesperostipa comata Open Woodland | NatureServe Biotics 2019
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Name: Pinus edulis - Juniperus osteosperma / Hesperostipa comata Open Woodland Reference: NatureServe Biotics 2019 Description: This woodland association is known from western Colorado and eastern Utah. Stands occur on a variety of sites from flat or gentle lower slopes, benches, wash terraces, mesatops to steep colluvial slopes to montane alluvial fans. Parent materials are frequently sandstone or shale. This woodland is characterized by the dominance or codominance of <i>Pinus edulis</i> in an open evergreen tree canopy. <i>Juniperus osteosperma</i> may codominate some stands, and <i>Juniperus scopulorum</i> may also be present. The sparse to moderately dense herbaceous layer is dominated by the perennial bunchgrass <i>Hesperostipa comata</i>, with <i>Achnatherum hymenoides, Koeleria macrantha, Bouteloua gracilis, Pleuraphis jamesii</i>, and <i>Pascopyrum smithii</i> often present to common. Forb cover is generally sparse but may include <i>Heterotheca villosa, Hymenoxys</i> spp., <i>Artemisia dracunculus, Oxytropis lambertii, Castilleja</i> sp., <i>Eriogonum jamesii</i>, and <i>Sphaeralcea coccinea</i>. Scattered shrubs and dwarf-shrubs may also be present, such as <i>Cercocarpus montanus, Quercus gambelii, Atriplex canescens, Artemisia frigida, Ephedra viridis</i>, or <i>Gutierrezia sarothrae</i>. <i>Opuntia polyacantha</i> and <i>Yucca glauca</i> are often present. Diagnostic of this woodland association is the dominance or codominance of <i>Pinus edulis</i> in the tree canopy and a <i>Hesperostipa comata</i>-dominated herbaceous layer.  Accession Code: urn:lsid:vegbank.org:commConcept:34398-{C1B99499-2C90-4136-A31D-EFCEC416D9F4} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 14-Jan-2016 to: ongoing
	status: accepted Community's Parent: Pinus edulis - Juniperus osteosperma Grassy Open Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.959310 NatureServe Explorer   Code: CEGL005652   Translated: Two-needle Pinyon - Utah Juniper / Needle-and-Thread Open Woodland   Scientific: Pinus edulis - Juniperus osteosperma / Hesperostipa comata Open Woodland