Article
Salt brush, more commonly called saltbush, is most likely a reference to a common western plant also known as the four wing saltbush or chamiza. Although it is a native species, it is commonly associated with disturbed sites, such as overgrazed land or high-use recreation areas.
"Atriplex canescens, fourwing saltbush, Zion National Park, January 5, 2013" by k rupp is licensed under CC BY.
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References
Sanderson, Stewart C., and E. Durant. McArthur
2004 Fourwing Saltbush (Atriplex Canescens) Seed Transfer Zones. General technical
report RMRS, GTR-125; Fort Collins: U.S. Dept. of Agriculture, Forest Service, Rocky
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Stevenson, Matilda Coxe
1915 Ethnobotany of the Zuñi Indians. Annual report of the Bureau of American Ethnology
to the Secretary of the Smithsonian Institution, 30th paper no. 1. Washington: G.P.O..