Name:
Artemisia tridentata ssp. wyomingensis Dry Steppe & Shrubland Alliance
Reference:
NatureServe Biotics 2019
Description:
This broadly distributed semi-arid shrubland alliance is found in the western United States on dry sites with core distribution in the Great Basin, Colorado Plateau and Wyoming. Stands have open to moderately dense shrub canopy dominated by <i>Artemisia tridentata ssp. wyomingensis</i>. <i>Artemisia tridentata ssp. tridentata</i> may be present in some stands. Other shrubs have low cover, except species that increase with disturbance such as <i>Gutierrezia sarothrae, Chrysothamnus viscidiflorus</i>, and <i>Ericameria nauseosa</i>. This understory is a sparse to moderately dense herbaceous layer characterized by dry-site graminoids such as <i>Achnatherum hymenoides, Achnatherum pinetorum, Achnatherum thurberianum, Bouteloua gracilis, Carex filifolia, Distichlis spicata, Elymus albicans, Elymus elymoides, Elymus lanceolatus, Hesperostipa comata, Leymus ambiguus, Leymus salinus, Pleuraphis jamesii</i>, and <i>Poa fendleriana</i>. The non-native, invasive species <i>Agropyron cristatum, Bromus tectorum</i>, and <i>Psathyrostachys juncea</i> may be present and dominant in disturbed stands. This alliance occurs on flat to steeply sloping sites with southerly aspects. Sites with little slope tend to have deep soils, while those with steeper slopes have shallow to moderately deep soils. Soil texture is loamy sand, loam, sandy loam, or clay loam.
Accession Code:
urn:lsid:vegbank.org:commConcept:38472-{C90F7FC3-F4C3-49DF-B2B1-0766F1C2230E}
Plot-observations of this Community Concept:
0
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