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  1. By: Cowan, Clark C. - Turner, B. L. (Billie Lee)
    Type: Article
    In: Phytologia
    Volume: 74
    Date: 1993
    Page Range: 267--270
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  2. By: Cowan, Clark C. - Turner, B. L. (Billie Lee)
    Type: Article
    In: Phytologia
    Volume: 74
    Date: 1993
    Page Range: 61--103
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  3. By: Cowan, Clark C. - Turner, B. L. (Billie Lee)
    Type: Article
    In: Phytologia
    Volume: 75
    Date: 1993
    Page Range: 281--324
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke