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Distribution, age structure, and predation of bitterroot milkvetch populations in Lemhi County, Idaho

by: Elliott, Joe C., 1942-; Lesica, Peter; United States. Bureau of Land Management. Idaho State Office

Publication date: 1987

Topics: Idaho milkvetch, Rare plants, Endangered plants, Astragalus (Plants), Astragalus (Plants), Idaho milkvetch, Rare plants, Endangered plants, Astragalus (Plants)

Publisher: Boise, Idaho : U.S. Department of the Interior, Bureau of Land Management, Idaho State Office

Collection: blmlibrary; fedlink; americana

Contributor: Bureau of Land Management Library

Language: English

Bitterroot milkvetch (Astragalus scaphoides) is a member of the legume family (Fabaceae) found only in east-central Lemhi County, Idaho, and adjacent Beaverhead County, Montana. Bitterroot milkvetch has recently been listed as a candidate for threatened or endangered status (Category 2) by the U.S. Fish and Wildlife Service. This species also is listed as recommended for the Federal Watch List in Idaho. In a 1984 study conducted by Lesica, bitterroot milkvetch was found to be rare within its restricted range in Idaho and possibly threatened by reduced reproductive output resulting from predation

"Contract no. ID910-CT6-036."

"January 1987."