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  1. By: Long, Robert W.
    Type: Article
    In: Rhodora
    Volume: 72
    Date: 1970
    Page Range: 17--46
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  2. By: Long, Robert W.
    Type: Article
    In: Rhodora
    Volume: 78
    Date: 1976
    Page Range: 17--24
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  3. By: Long, Robert W.
    Type: Article
    In: Rhodora
    Volume: 58
    Date: 1956
    Page Range: 160--161
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  4. By: Long, Robert W.
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 51
    Issue: 3
    Date: 1970
    Page Range: 257--309
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  5. By: Long, Robert W.
    Type: Article
    In: SIDA, contributions to botany
    Volume: 2
    Date: 1966
    Page Range: 419--427
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  6. By: Long, Robert W.
    Type: Article
    In: SIDA, contributions to botany
    Volume: 3
    Date: 1969
    Page Range: 449--449
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  7. By: Long, Robert W.
    Type: Article
    In: Rhodora
    Volume: 63
    Date: 1961
    Page Range: 55--57
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  8. By: Long, Robert W.
    Type: Article
    In: Rhodora
    Volume: 60
    Date: 1958
    Page Range: 125--128
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  9. By: Long, Robert W.
    Type: Article
    In: Rhodora
    Volume: 61
    Date: 1959
    Page Range: 76--79
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  10. By: Long, Robert W.
    Type: Article
    In: Rhodora
    Volume: 68
    Date: 1966
    Page Range: 432--434
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  11. By: Long, Robert W. - Uttal, Leonard J.,
    Type: Article
    In: Rhodora
    Volume: 64
    Date: 1962
    Page Range: 200--206
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  12. By: Long, Robert W. - Lakela, Olga - Broome, C. Rose (Carmen Rose),
    Type: Article
    In: Rhodora
    Volume: 71
    Date: 1969
    Page Range: 495--501
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  13. By: Long, Robert W.
    Type: Article
    In: Rhodora
    Volume: 56
    Date: 1954
    Page Range: 198--203
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],