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Leymus flavescens Herbaceous Alliance | Western Ecology Working Group of...
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Name: Leymus flavescens Herbaceous Alliance Reference: Western Ecology Working Group of... Description: This alliance is described from partially stabilized dunes and sandhills in southeastern Idaho. Stands occur in areas of actively moving dune deposits, from a few to more than 100 m to windward from the rear of active dunes. Elevations range from 1525-1800 m. Soils are sand, from a few centimeters to over 4 m deep, left behind as the dunes advance. Despite very low moisture levels during the dry season, some moisture is always available to plants. Generally these deposits are less than 40 years old. Stands have a sparse herbaceous layer (17-25% cover) dominated by the strongly rhizomatous perennial grass Leymus flavescens (= Elymus flavescens) and the perennial forb Psoralidium lanceolatum (= Psoralea lanceolata). Diversity and cover are low. Other species may include Machaeranthera canescens (= Aster canescens), Oxytheca dendroidea (= Eriogonum dendroideum), Eriogonum deflexum, and Achnatherum hymenoides (= Oryzopsis hymenoides).  Accession Code: VB.CC.19191.LEYMUSFLAVESCEN 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: Leymus flavescens Herbaceous Alliance   Translated: Sand Lyme Grass Herbaceous Alliance   UID: HIGHER_CLASS_UNIT.2.125665 NatureServe Explorer   Code: A.1237