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  1. Report on the conservation status of Astragalus barrii, a candidate threatened species / Lisa Ann Schassberger.
    By: Roe, Lisa Schassberger. - Montana Natural Heritage Program.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,[1990].
    Contributed by: Montana State Library (archive.org)
    Subjects: Astragalus barrii  Barr's milkvetch  Botany  Montana  Rare plants  
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  2. Status review of Astragalus barrii, U.S.D.A. Forest Service, Region 1, Custer National Forest, Montana ; prepared by Lisa Ann Schassberger.
    By: Roe, Lisa Schassberger. - Montana Natural Heritage Program.
    Publication info: Helena, Mt. :Montana Natural Heritage Program,[1988]
    Contributed by: Montana State Library (archive.org)
    Subjects: Astragalus barrii  Barr's milkvetch  Botany  Custer National Forest (Mont. and S.D.)  Rare plants  
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