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  1. By: Adams, Robert P. - Callahan, Frank - Kost, Richard
    Type: Article
    In: Phytologia
    Volume: 94
    Date: 2012
    Page Range: 174--192
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  2. By: Callahan, Frank
    Type: Article
    In: Phytologia
    Volume: 97
    Issue: 4
    Date: 2015
    Page Range: 282--285
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  3. By: Callahan, Frank
    Type: Article
    In: Phytologia
    Volume: 97
    Issue: 4
    Date: 2015
    Page Range: 271--274
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  4. By: Adams, Robert P. - Vargas-Hernández, Jesús - González Elizondo, M. Socorro (María Socorro) - Hunter, G - Fairhall, Thomas A. - Thornburg, David C. - Callahan, Frank
    Type: Article
    In: Phytologia
    Volume: 94
    Date: 2012
    Page Range: 199--218
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  5. By: Adams, Robert P. - Kauffmann, M - Callahan, Frank
    Type: Article
    In: Phytologia
    Volume: 97
    Issue: 1
    Date: 2015
    Page Range: 1--5
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  6. By: Adams, Robert P. - Callahan, Frank
    Type: Article
    In: Phytologia
    Volume: 96
    Date: 2014
    Page Range: 260--263
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  7. By: Godfrey, M. Ray - Callahan, Frank
    Type: Article
    In: Phytologia
    Volume: 65
    Date: 1988
    Page Range: 216--219
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  8. By: Callahan, Frank
    Type: Article
    In: Phytologia
    Volume: 94
    Date: 2012
    Page Range: 413--416
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  9. By: Adams, Robert P. - Bartel, Jim A. - Terry, Randall G. - Callahan, Frank - Bisbee, Jeffrey R.
    Type: Article
    In: Phytologia
    Volume: 96
    Date: 2014
    Page Range: 71--83
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  10. By: Callahan, Frank
    Type: Article
    In: Phytologia
    Volume: 97
    Issue: 4
    Date: 2015
    Page Range: 275--281
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke