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  1. By: Beckner, John
    Type: Article
    In: SIDA, contributions to botany
    Volume: 3
    Date: 1968
    Page Range: 280--281
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  2. By: Beckner, John
    Type: Article
    In: SIDA, contributions to botany
    Volume: 3
    Date: 1967
    Page Range: 118--119
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  3. By: Beckner, John
    Type: Article
    In: Phytologia
    Volume: 50
    Date: 1982
    Page Range: 209--211
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  4. By: Beckner, John
    Type: Article
    In: American fern journal
    Volume: 58
    Date: 1968
    Page Range: 93--94
    Publication Info: [Washington, etc.] American Fern Society
  5. By: Beckner, John
    Type: Article
    In: Phytologia
    Volume: 20
    Date: 1970
    Page Range: 217--217
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke