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  1. By: Henry, R D
    Type: Article
    In: Phytologia
    Volume: 61
    Date: 1986
    Page Range: 209--230
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  2. By: Scott, Alice R - Henry, R D
    Type: Article
    In: Phytologia
    Volume: 50
    Issue: 6
    Date: 1982
    Page Range: 393--400
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  3. By: Henry, R D - Scott, A R
    Type: Article
    In: American fern journal
    Volume: 68
    Date: 1978
    Page Range: 30--30
    Publication Info: [Washington, etc.] American Fern Society
  4. By: Henry, R D - Scott, A R
    Type: Article
    In: Phytologia
    Volume: 57
    Date: 1985
    Page Range: 65--72
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  5. By: Henry, R D
    Type: Article
    In: Phytologia
    Volume: 57
    Date: 1985
    Page Range: 97--106
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  6. By: Henry, R D - Scott, A R
    Type: Article
    In: Phytologia
    Volume: 56
    Date: 1984
    Page Range: 1--15
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke