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Leymus cinereus Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Leymus cinereus Herbaceous Vegetation Reference: Western Ecology Working Group of... Description: This association is found along lower elevation riparian corridors, and some moderately alkaline valley bottomlands. Generally, stands of this type are described as growing on sites with more soil moisture than is available to the surrounding vegetation: mesic swells and seeps, foothill ravines moist bottomlands, and along streams. In Oregon, sites are usually situated on gentle slopes in canyon bottoms. Soils are deep sandy loams, generally from alluvium, with a shallow water table. This association is found at elevations between 1000 and 2550 feet in northeastern and central Oregon, and between 3000 and 5000 feet in the Great Basin. It is typically a tall (over 1.5 m) grassland with a dense cover of Leymus cinereus (= Elymus cinereus). Other plants are found mainly between the clumps of Leymus cinereus or on the edges of the stand. Associated species are at much lower cover values and include Carex douglasii, Rumex crispus, Vicia americana, Achillea millefolium, Elymus glaucus, Agastache urticifolia, Potentilla gracilis var. flabelliformis (= Potentilla flabelliformis), and Sidalcea oregana. Claytonia perfoliata (= Montia perfoliata) is always associated in northwestern Oregon, while more alkaline forbs (Suaeda spp.) are more important in the northern Great Basin valleys. Scattered shrubs may be present, including Symphoricarpos oreophilus, Artemisia tridentata, Ribes spp., Chrysothamnus viscidiflorus, Ericameria nauseosa (= Chrysothamnus nauseosus), and Rosa spp.  Accession Code: VB.CC.22552.LEYMUSCINEREUSH Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Leymus cinereus Herbaceous Alliance This Community's Level: Association This Community's Children: [none]		Names:   Code: CEGL001479   Translated: Great Basin Lyme Grass Herbaceous Vegetation   Scientific: Leymus cinereus Herbaceous Vegetation   Common: Basin Wild Rye Tallgrass Prairie   UID: ELEMENT_GLOBAL.2.686818 NatureServe Explorer (convergence) and Synonyms: (undetermined) Leymus cinereus Herbaceous Vegetation