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Ericameria nauseosa Shrub Short Herbaceous Alliance | Western Ecology Working Group of...
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Name: Ericameria nauseosa Shrub Short Herbaceous Alliance Reference: Western Ecology Working Group of... Description: Vegetation included in this minor alliance has only been described from alluvial flats within the Rio Puerco basin in northwestern New Mexico. Elevation ranges from 2100-2200 m. Climate is semi-arid with most of the highly variable precipitation falling in July and August. Mean annual precipitation ranges from 22-32 cm within the Rio Puerco watershed. Sites are flat to gently sloping occurring on all aspects. Soils are calcareous, shallow to moderately deep, and poorly developed with pH greater than 8.2. Soil textures range from silty loams to silty clay loams. Bare ground and litter cover ranged from 35-54% and 16-24%, respectively, for three sampled transects. Stands have a conspicuous sparse woody layer (<2 m tall) that is primarily composed of the microphyllous evergreen shrub Ericameria nauseosa (= Chrysothamnus nauseosus). Overall, the stands are dominated by moderately dense cover of the short sod grass Bouteloua gracilis, with Pascopyrum smithii also present in smaller amounts. Other shrubs and dwarf-shrubs that may be present are Artemisia tridentata, Gutierrezia sarothrae or Ericameria parryi (= Chrysothamnus parryi). Other herbaceous species may include grasses such as Sporobolus cryptandrus, Pleuraphis jamesii (= Hilaria jamesii), Aristida purpurea, Elymus elymoides, Schedonnardus paniculatus, and Achnatherum hymenoides (= Oryzopsis hymenoides). Perennial forbs are sparse. The only forbs listed were species of Grindelia and Sphaeralcea. Annual forbs and grasses may be present seasonally. Canopy cover values from three transects show Ericameria nauseosa (5-9%), Bouteloua gracilis (24-37%), Pascopyrum smithii (2%), and total vegetation (24-37%).  Accession Code: VB.CC.27045.ERICAMERIANAUSE Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 01-May-2019
	status: accepted This Community's Level: Alliance This Community's Children: [none]		Names:   Scientific: Ericameria nauseosa Shrub Short Herbaceous Alliance   Translated: Rubber Rabbitbrush Shrub Short Herbaceous Alliance   UID: HIGHER_CLASS_UNIT.2.124929 NatureServe Explorer   Code: A.1546