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  1. Biodiversity and representativeness of research natural areas on national wildlife refuges in Montana, designated areas within Benton Lake, Charles M. Russell, Lake Mason, Medicine Lake, and Red Rock Lakes National Wildlife Refuges : final report /
    By: Cooper, Stephen V. - Heidel, Bonnie L. - Montana Natural Heritage Program. - U.S. Fish and Wildlife Service.
    Publication info: Helena, MT :Montana Natural Heritage Program,c1999
    Contributed by: Montana State Library (archive.org)
    View Book
  2. Botanical and vegetation survey of Carter County, Montana, Bureau of Land Management-administered lands / prepared by Jim Vanderhorst, Stephen V. Cooper, and Bonnie L. Heidel ; prepared for United States Department of the Interior, Bureau of Land Management.
    By: Vanderhorst, James P. - Cooper, Stephen V. - Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1998]
    Contributed by: Montana State Library (archive.org)
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  3. Botanical survey of the Ruby Range, Madison County, Montana, Dillon Resource Area, Bureau of Land Management / prepared by Jim Vanderhorst [et. al].; prepared for United States Department of Interior, Bureau of Land Management.
    By: Cooper, Stephen V. - Heidel, Bonnie L. - Pierce, John. - Vanderhorst, James P. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1997]
    Contributed by: Montana State Library (archive.org)
    View Book
  4. Botanical survey of the Scratchgravel Hills, Lewis and Clark County, Montana /
    By: Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Montana Natural Heritage Program,c1998.
    Contributed by: Montana State Library (archive.org)
    View Book
  5. Conservation status of Lomatium attenuatum Evert (Apiaceae) in Montana /
    By: Vanderhorst, James P. - Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Montana Natural Heritage Program,1998.
    Contributed by: Montana State Library (archive.org)
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  6. Conservation status of Spiranthes diluvialis Sheviak in Montana.
    By: Heidel, Bonnie L. - Montana Natural Heritage Program.
    Publication info: Helena :Montana Natural Heritage Program,1998
    Contributed by: Montana State Library (archive.org)
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  7. Demographic monitoring of Penstemon lemhiensis, Beaverhead National Forest, 1992 progress report / prepared by J. Stephen Shelly and Bonnie L. Heidel, for Beaverhead National Forest.
    By: Shelly, J. Stephen. - Heidel, Bonnie L. - Beaverhead National Forest (Mont.) - Montana Natural Heritage Program.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1993]
    Contributed by: Montana State Library (archive.org)
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  8. Demographic monitoring of Penstemon lemhiensis, Dillon Resource Area, Bureau of Land Management : 1992 progress report / prepared by Bonnie L. Heidel and J. Stephen Shelly ; prepared for Bureau of Land Management, Dillon Resource Area.
    By: Heidel, Bonnie L. - Shelly, J. Stephen. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,[1993]
    Contributed by: Montana State Library (archive.org)
    View Book
  9. Monitoring Shoshonea pulvinata in the Pryor and Beartooth Mountains, Carbon County, Montana : 1999 trend report /
    By: Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,[2001]
    Contributed by: Montana State Library (archive.org)
    View Book
  10. 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)
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  11. Plant species of concern /
    By: Heidel, Bonnie L.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,2001.
    Contributed by: Montana State Library (archive.org)
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  12. Plant species of concern and plant associations of Powder River county, Montana /
    By: Heidel, Bonnie L. - Crispin, Susan. - Jean, Catherine. - Montana Natural Heritage Program. - Montana.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c2002.
    Contributed by: Montana State Library (archive.org)
    View Book
  13. Plant species of special concern and plant associations of Sheridan County, Montana /
    By: Heidel, Bonnie L. - Cooper, Stephen V. - Jean, Catherine.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,2000.
    Contributed by: Montana State Library (archive.org)
    View Book
  14. Population status and ecology of trembling aspen and black cottonwood communities on the Blackfeet Indian Reservation /
    By: Cooper, Stephen V. - Heidel, Bonnie L. - Blackfeet Tribe of the Blackfeet Indian Reservation of Montana. - Montana Natural Heritage Program. - U.S. Fish and Wildlife Service.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c1997.
    Contributed by: Montana State Library (archive.org)
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  15. Report on the conservation status of Erigeron lackschewitzii : a candidate threatened species / Bonnie L. Heidel.
    By: Heidel, Bonnie L. - Montana Natural Heritage Program.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,[1993]
    Contributed by: Montana State Library (archive.org)
    View Book
  16. Sensitive plant species survey at the southern end of the Elkhorn Mountains, Broadwater and Jefferson Counties, Montana / prepared by Bonnie L. Heidel ; prepared for Bureau of Land Management.
    By: Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1995]
    Contributed by: Montana State Library (archive.org)
    View Book
  17. Sensitive plant species survey, Ashland District, Custer National Forest, Powder River and Rosebud Counties, Montana / by Bonnie L. Heidel and Hollis Marriott ; for Custer National Forest.
    By: Heidel, Bonnie L. - Marriott, Hollis. - Custer National Forest (Mont. and S.D.) - Montana Natural Heritage Program.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1996]
    Contributed by: Montana State Library (archive.org)
    View Book
  18. Sensitive plant species survey, Garfield and McCone Counties, Montana / prepared by Bonnie L. Heidel ; prepared for Bureau of Land Management.
    By: Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1994]
    Contributed by: Montana State Library (archive.org)
    View Book
  19. Sensitive plant species surveys, Butte District, Beaverhead and Madison Counties, Montana / by Bonnie L. Heidel and Jim Vanderhorst, for Bureau of Land Management.
    By: Heidel, Bonnie L. - Vanderhorst, James P. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1996]
    Contributed by: Montana State Library (archive.org)
    View Book
  20. Sensitive plant survey in the Sioux District, Custer National Forest, Carter County, Montana, and Harding County, South Dakota / prepared by Bonnie L. Heidel and Keith H. Dueholm ; prepared for Custer National Forest.
    By: Heidel, Bonnie L. - Dueholm, Keith H. - Custer National Forest (Agency : U.S.) - Montana Natural Heritage Program.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c1995.
    Contributed by: Montana State Library (archive.org)
    View Book
  21. Sensitive plant survey in the Sweetgrass Hills, Liberty and Toole Counties, Montana / prepared by Bonnie L. Heidel ; prepared for Bureau of Land Management.
    By: Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1994]
    Contributed by: Montana State Library (archive.org)
    View Book
  22. Sensitive plant surveys in the Big Belt and Elkhorn Mountains, U.S.D.A. Forest Service, Region 1, Helena National Forest, Montana / prepared by Jackie M. Poole and Bonnie L. Heidel ; prepared for Helena National Forest.
    By: Poole, Jackie M. - Heidel, Bonnie L. - Helena National Forest (Mont.) - Montana Natural Heritage Program.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,[1993]
    Contributed by: Montana State Library (archive.org)
    View Book
  23. Status review of sword townsendia (Townsendia spathulata) and Limestone Hills survey Broadwater County, Montana / prepared for Butte District, Bureau of Land Management ; prepared by Bonnie L. Heidel.
    By: Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1994].
    Contributed by: Montana State Library (archive.org)
    View Book
  24. Survey for Psoralea hypogaea in the Great Falls Resource Area, Lewistown District, Bureau of Land Management, Montana /
    By: Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c1994.
    Contributed by: Montana State Library (archive.org)
    View Book
  25. Survey for Quercus macrocarpa in the Powder River Resource Area, Miles City District, Bureau of Land Management, Montana / prepared for Bureau of Land Management, Miles City District Office ; prepared by Bonnie L. Heidel.
    By: Heidel, Bonnie L. - United States.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,[1993].
    Contributed by: Montana State Library (archive.org)
    View Book
  26. Survey of Cypripedium calceolus, U.S.D.I. Bureau of Land Management, Butte District, Garnet Resource Area, Montana / prepared by Bonnie L. Heidel.
    By: Heidel, Bonnie L. - Montana Natural Heritage Program.
    Publication info: Helena, MT :Montana Natural Heritage Program,[1992?]
    Contributed by: Montana State Library (archive.org)
    View Book
  27. Woodhawk botanical survey, Fergus County, Montana, Lewistown District of the Bureau of Land Management /
    By: Heidel, Bonnie L. - Montana Natural Heritage Program. - United States.
    Publication info: Helena, Mont. :Montana Natural Heritage Program,c1997.
    Contributed by: Montana State Library (archive.org)
    View Book