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  1. Conservation assessment of sensitive moonworts (Ophioglossaceae; Botrychium subgenus Botrychium) on the Kootenai National Forest /
    By: Vanderhorst, James P. - Montana Natural Heritage Program.
    Publication info: Helena, MT :Montana Natural Heritage Program,1997.
    Contributed by: Montana State Library (archive.org)
    Subjects: Botrychium  Kootenai National Forest (Mont. and Idaho)  Montana  Ophioglossaceae  Rare plants  
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  2. Demographic monitoring of three species of Botrychium (Ophioglossaceae) in Waterton Lakes Park, Alberta : 1993 progress report / Peter Lesica and Kathy Ahlenslager.
    By: Lesica, Peter. - Ahlenslager, Kathleen E. - Montana Natural Heritage Program. - U.S. Fish and Wildlife Service.
    Publication info: Missoula, Mont. :Herbarium, Division of Biological Science, University of Montana,[1994]
    Contributed by: Montana State Library (archive.org)
    Subjects: Alberta  Botrychium  Waterton Lakes National Park  
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  3. William Boott and John Torrey correspondence,
    By: Boott, William
    Contributed by: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: 1785-1865  1786-1879  1792-1863  1796-1873  1805-1886  Aspidium  Asplenium montanum  Asplenium pinnatifidum  Athyrium filix-femina  Bigelow, Jacob,  Boott, Francis,  Boott, William  Botanical specimens  Botrychium  Correspondence  Dryopteris  Gymnocarpium dryopteris  Hooker, William Jackson,  Nephrodium lancastriense  Onoclea sensibilis  Osmunda claytoniana  Polystichum acrostichoides  Sir,  Thelypteris confluens  Torrey, John,  Woodsia ilvensis  
    BHL Collections: New York Botanical Garden
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