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  1. By: Hawkes, Alex D
    Type: Article
    In: American fern journal.
    Volume: 56
    Date: 1966
    Page Range: 186--187
    Publication info: [Washington, etc.]American Fern Society.
  2. By: Hawkes, Alex D
    Type: Article
    In: American fern journal.
    Volume: 54
    Date: 1964
    Page Range: 38--39
    Publication info: [Washington, etc.]American Fern Society.
  3. By: Hawkes, Alex D
    Type: Article
    In: Phytologia.
    Volume: 3
    Date: 1948
    Page Range: 27--28
    Publication info: Bronx Park, New York,H.A. Gleason and H.N. Moldenke,
  4. By: Hawkes, Alex D
    Type: Article
    In: Madroño; a West American journal of botany.
    Volume: 11
    Date: 1951
    Page Range: 146--149
    Publication info: Berkeley,California Botanical Society.
  5. By: Hawkes, Alex D
    Type: Article
    In: American fern journal.
    Volume: 54
    Date: 1964
    Page Range: 91--93
    Publication info: [Washington, etc.]American Fern Society.
  6. By: Hawkes, Alex D
    Type: Article
    In: Phytologia.
    Volume: 13
    Date: 1966
    Page Range: 308--309
    Publication info: Bronx Park, New York,H.A. Gleason and H.N. Moldenke,
  7. By: Hawkes, Alex D
    Type: Article
    In: Phytologia.
    Volume: 3
    Issue: 1
    Date: 1948
    Page Range: 29--32
    Publication info: Bronx Park, New York,H.A. Gleason and H.N. Moldenke,
  8. By: Hawkes, Alex D
    Type: Article
    In: Phytologia.
    Volume: 3
    Issue: 5
    Date: 1950
    Page Range: 257--259
    Publication info: Bronx Park, New York,H.A. Gleason and H.N. Moldenke,
  9. By: Hawkes, Alex D
    Type: Article
    In: Phytologia.
    Volume: 3
    Issue: 5
    Date: 1950
    Page Range: 260
    Publication info: Bronx Park, New York,H.A. Gleason and H.N. Moldenke,
  10. By: Hawkes, Alex D
    Type: Article
    In: Phytologia.
    Volume: 13
    Date: 1966
    Page Range: 307--308
    Publication info: Bronx Park, New York,H.A. Gleason and H.N. Moldenke,
  11. By: Hawkes, Alex D
    Type: Article
    In: Phytologia.
    Volume: 3
    Issue: 5
    Date: 1950
    Page Range: 256
    Publication info: Bronx Park, New York,H.A. Gleason and H.N. Moldenke,
  12. By: Hawkes, Alex D
    Type: Article
    In: Phytologia.
    Volume: 3
    Issue: 4
    Date: 1949
    Page Range: 155
    Publication info: Bronx Park, New York,H.A. Gleason and H.N. Moldenke,
  13. By: Hawkes, Alex D
    Type: Article
    In: Phytologia.
    Volume: 3
    Date: 1949
    Page Range: 145--149
    Publication info: Bronx Park, New York,H.A. Gleason and H.N. Moldenke,
  14. By: Hawkes, Alex D
    Type: Article
    In: Phytologia.
    Volume: 3
    Issue: 4
    Date: 1949
    Page Range: 150--152
    Publication info: Bronx Park, New York,H.A. Gleason and H.N. Moldenke,
  15. By: Hawkes, Alex D
    Type: Article
    In: Phytologia.
    Volume: 3
    Issue: 4
    Date: 1949
    Page Range: 153--154
    Publication info: Bronx Park, New York,H.A. Gleason and H.N. Moldenke,
  16. By: Hawkes, Alex D
    Type: Article
    In: Phytologia.
    Volume: 3
    Issue: 5
    Date: 1950
    Page Range: 244--246
    Publication info: Bronx Park, New York,H.A. Gleason and H.N. Moldenke,
  17. By: Moir, W W G - Hawkes, Alex D
    Type: Article
    In: Phytologia.
    Volume: 15
    Date: 1967
    Page Range: 2--12
    Publication info: Bronx Park, New York,H.A. Gleason and H.N. Moldenke,