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  1. Monitoring study of cirsium longistylum (long-styled thistle), a candidate threatened species / prepared by Bonnie L. Heidel.
    By: Heidel, Bonnie L. - Montana Natural Heritage Program.
    Publication info: Helena :Montana Natural Heritage Program,1994.
    Contributed by: Montana State Library (archive.org)
    Subjects: Botany  Cirsium longistylum  Endemic plants  Lewis and Clark National Forest  Long-styled thistle  Montana  Rare plants  
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  2. Range-wide status assessment of cirsium longistylum (long-styled thistle) /
    By: Mincemoyer, Scott. - Montana Natural Heritage Program.
    Publication info: Helena :Montana Natural Heritage Program,c2004.
    Contributed by: Montana State Library (archive.org)
    Subjects: Cirsium  Cirsium longistylum  Endemic plants  Long-styled thistle  Montana  Rare plants  
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  3. Status review of Cirsium longistylum, U.S.D.A. Forest Service, Region 1 Lewis and Clark National Forest, Montana / Lisa A. Schassberger and Peter L. Achuff.
    By: Roe, Lisa Schassberger. - Achuff, P. L. - Montana Natural Heritage Program.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,[1991].
    Contributed by: Montana State Library (archive.org)
    Subjects: Botany  Cirsium longistylum  Endemic plants  Lewis and Clark National Forest  Long-styled thistle  Montana  Rare plants  
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  4. Taxonomic and demographic studies of Cirsium longistylum in the Little Belt Mountains, Montana / Lisa Schassberger Roe.
    By: Roe, Lisa Schassberger. - Montana Natural Heritage Program.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,[1992]
    Contributed by: Montana State Library (archive.org)
    Subjects: Botany  Cirsium longistylum  Endemic plants  Little Belt Mountains  Long-styled thistle  Montana  Rare plants  
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