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  1. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: SIDA, contributions to botany
    Volume: 15
    Date: 1992
    Page Range: 346--347
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  2. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: American fern journal
    Volume: 56
    Date: 1966
    Page Range: 145--149
    Publication Info: [Washington, etc.] American Fern Society
  3. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: American fern journal
    Volume: 50
    Date: 1960
    Page Range: 266--267
    Publication Info: [Washington, etc.] American Fern Society
  4. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: SIDA, contributions to botany
    Volume: 3
    Date: 1969
    Page Range: 309--310
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  5. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: SIDA, contributions to botany
    Volume: 8
    Date: 1979
    Page Range: 170--180
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  6. By: Jones, Samuel B., - Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: Rhodora
    Volume: 68
    Date: 1966
    Page Range: 49--52
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  7. By: Yates, Ida E. - Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: Rhodora
    Volume: 72
    Date: 1970
    Page Range: 289--312
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  8. By: Duncan, Wilbur H. (Wilbur Howard), - Brown, Claud L. (Claud Lafayette),
    Type: Article
    In: Rhodora
    Volume: 56
    Date: 1954
    Page Range: 133--136
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  9. By: Duncan, Wilbur H. (Wilbur Howard), - Mellinger, Marie
    Type: Article
    In: Rhodora
    Volume: 74
    Date: 1972
    Page Range: 436--439
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  10. By: Duncan, Wilbur H. (Wilbur Howard), - Funderburk, David
    Type: Article
    In: American fern journal
    Volume: 62
    Date: 1972
    Page Range: 30--30
    Publication Info: [Washington, etc.] American Fern Society
  11. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: Rhodora
    Volume: 61
    Date: 1959
    Page Range: 302--305
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  12. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: Rhodora
    Volume: 66
    Date: 1964
    Page Range: 47--53
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  13. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: Rhodora
    Volume: 46
    Date: 1944
    Page Range: 29--31
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  14. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: Phytologia
    Volume: 37
    Date: 1977
    Page Range: 59--61
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  15. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: Phytologia
    Volume: 3
    Date: 1950
    Page Range: 282--282
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  16. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: American fern journal
    Volume: 44
    Date: 1954
    Page Range: 155--158
    Publication Info: [Washington, etc.] American Fern Society
  17. By: Duncan, Wilbur H. (Wilbur Howard), - Venard, Haskell - Mcdowell, G W
    Type: Article
    In: Rhodora
    Volume: 52
    Date: 1950
    Page Range: 229--232
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  18. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: Rhodora
    Volume: 72
    Date: 1970
    Page Range: 489--492
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  19. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: Rhodora
    Volume: 52
    Date: 1950
    Page Range: 185--188
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  20. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: Rhodora
    Volume: 52
    Date: 1950
    Page Range: 179--183
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  21. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: Rhodora
    Volume: 55
    Date: 1953
    Page Range: 353--358
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  22. By: Duncan, Wilbur H. (Wilbur Howard), - Dejong, Donald W
    Type: Article
    In: SIDA, contributions to botany
    Volume: 1
    Date: 1964
    Page Range: 346--357
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  23. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: SIDA, contributions to botany
    Volume: 5
    Date: 1972
    Page Range: 42--43
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  24. By: Duncan, Wilbur H. (Wilbur Howard), - Garst, John F - Neece, George A
    Type: Article
    In: Rhodora
    Volume: 73
    Date: 1971
    Page Range: 244--248
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  25. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: SIDA, contributions to botany
    Volume: 3
    Date: 1967
    Page Range: 1--76
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  26. By: Duncan, Wilbur H. (Wilbur Howard),
    Type: Article
    In: SIDA, contributions to botany
    Volume: 8
    Date: 1979
    Page Range: 115--116
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-