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Ericameria nauseosa / Leymus flavescens / Psoralidium lanceolatum Shrubland | NatureServe Biotics 2019
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Name: Ericameria nauseosa / Leymus flavescens / Psoralidium lanceolatum Shrubland Reference: NatureServe Biotics 2019 Description: This association occurs in areas of partially stabilized sands, in a region of actively moving dune deposits, from 1525-1800 m elevation in southeastern Idaho. It is found extending from roughly 30-210 m to windward from the rear of the pioneer <i>Leymus flavescens - Psoralidium lanceolatum</i> vegetation type. Sand deposits where it occurs have generally been stable for approximately 40 years. Soils are sand, from a few centimeters to over 4 m deep, left behind as the dunes advance. This shrubland is composed of a moderately dense (40-60% cover) layer of <i>Ericameria nauseosa</i>, a semi-deciduous shrub up to 2 m in height, with an herbaceous understory of 20-30% cover and less than 0.5 m in height. <i>Chrysothamnus viscidiflorus</i> is an associated shrub in this community, but is not dominant. The ground surface can have up to 75% cover of plant litter, primarily rabbitbrush parts. This is the second seral stage of 5 vegetation types found on these dunes. The types are found in bands transverse to the direction of dune movement. The width of the vegetation bands is quite consistent throughout the sand hills area and each band advances across the landscape at about the same rate as the dune advancement. This association has an approximate duration on a given deposit of 10-70 years. Diagnostic species are <i>Ericameria nauseosa, Chrysothamnus viscidiflorus, Leymus flavescens, Psoralidium lanceolatum</i>, and <i>Achnatherum hymenoides</i>. Other common species include <i>Machaeranthera canescens, Oxytheca dendroidea, Gayophytum humile, Lygodesmia grandiflora</i>, and <i>Phacelia hastata var. hastata</i>.  Accession Code: urn:lsid:vegbank.org:commConcept:30238-{72FC3097-F49E-45BD-B000-F394BFFFF321} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 04-May-1993 to: ongoing
	status: accepted Community's Parent: Ericameria nauseosa - Eriogonum leptocladon - Tetradymia tetrameres Sparse Scrub Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.688416 NatureServe Explorer   Code: CEGL001329   Translated: Rubber Rabbitbrush / Yellow Wildrye / Lemon Scurfpea Shrubland   Scientific: Ericameria nauseosa / Leymus flavescens / Psoralidium lanceolatum Shrubland (convergence) and Synonyms: (similar) Ericameria nauseosa / Leymus flavescens / Psoralidium lanceolatum Shrubland (similar) Ericameria nauseosa / Leymus flavescens / Psoralidium lanceolatum Shrubland (similar) CEGL001329