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Quercus havardii var. tuckeri Shrubland | Western Ecology Working Group of...
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Name: Quercus havardii var. tuckeri Shrubland Reference: Western Ecology Working Group of... Description: This short-shrub association is restricted to dunes, sandsheets and pockets of sand on mesas, plateaus and valley bottoms in southeastern Utah. Sites are generally on flat or gentle slopes, with a few sites on moderately steep (50%) slopes. Elevations range between 1335 and1772 m, and aspect is not a major factor in determining the distribution of this association. Bare ground or loose sand cover most of the unvegetated surface, although in less-disturbed sites biological soil crusts can have as much as 30% cover. Soils are rapidly drained, deep loamy sands and sandy loams derived from alluvium or eolian deposits. Total vegetation cover ranges from 10 to 110% in these sparsely to moderately vegetated stands. The vegetation is dominated by patches of <i>Quercus havardii var. tuckeri</i> shrubs that range in cover from 5 to 85%. Because shrub roots anchor the sandy soil in this erosive habitat, <i>Quercus havardii var. tuckeri</i> shrubs often occupy hummocks of sand as much as a meter high. Associated shrubs include <i>Coleogyne ramosissima, Ephedra viridis, Gutierrezia sarothrae, Shepherdia rotundifolia</i>, and <i>Opuntia polyacantha</i>. The herbaceous layer provides sparse cover. Graminoids present often include <i>Achnatherum hymenoides, Muhlenbergia pungens, Pleuraphis jamesii</i>, and <i>Vulpia octoflora</i>. Scattered forbs may include <i>Cryptantha</i> sp., <i>Streptanthella longirostris, Hymenopappus filifolius</i>, and <i>Lepidium montanum</i>. Scattered <i>Juniperus osteosperma</i> trees are present in some stands.  Accession Code: VB.CC.31984.CEGL002486 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.2.769470 NatureServe Explorer   Translated: Tucker Sand Shinnery Oak Shrubland   Scientific: Quercus havardii var. tuckeri Shrubland   Code: CEGL002486