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Artemisia tridentata - (Ericameria nauseosa) / Bromus tectorum Ruderal Shrubland | NatureServe Biotics 2019
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Name: Artemisia tridentata - (Ericameria nauseosa) / Bromus tectorum Ruderal Shrubland Reference: NatureServe Biotics 2019 Description: This association is unfortunately quite common throughout the Colorado Plateau and throughout the range of big sagebrush in the western U.S. due to a history of heavy grazing pressure by domestic livestock. This shrubland has a canopy of <i>Artemisia tridentata ssp. tridentata</i> which is always present, often with a lesser component of <i>Ericameria nauseosa, Atriplex canescens</i>, or <i>Chrysothamnus viscidiflorus</i>. The non-native annual grass <i>Bromus tectorum</i> dominates the herbaceous undergrowth layer, and is frequently accompanied by other non-native grasses and forbs. Individuals or small patches of native grasses and forbs may occur, including <i>Leymus cinereus, Achnatherum hymenoides</i>, and <i>Sporobolus cryptandrus</i>. However, the natives are overwhelmed by the non-natives, such that it is impossible to determine what native association the stand may have been prior to conversion to a ruderal type. Stands occur in small to moderate-sized patches on alluvial terraces, floodplains, and point bars, mostly below 2000 m (6560 feet) elevation.  Accession Code: urn:lsid:vegbank.org:commConcept:31607-{78C1A2E8-8C77-46A6-8FB7-156A04B6845F} Plot-observations of this Community Concept: 9
	Party Perspective according to: NatureServe (organization) Perspective from: 12-Jul-2016 to: ongoing
	status: accepted Community's Parent: Artemisia spp. - Mixed Shrub Ruderal Understory Shrubland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.688557 NatureServe Explorer   Code: CEGL002699   Translated: Big Sagebrush - (Rubber Rabbitbrush) / Cheatgrass Ruderal Shrubland   Scientific: Artemisia tridentata - (Ericameria nauseosa) / Bromus tectorum Ruderal Shrubland (convergence) and Synonyms: (similar) CEGL002699 (similar) Artemisia tridentata - (Ericameria nauseosa) / Bromus tectorum Semi-natural Shrubland (similar) Artemisia tridentata - (Ericameria nauseosa) / Bromus tectorum Ruderal Shrubland