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  1. By: Stevens, P F
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 58
    Issue: 4
    Date: 1977
    Page Range: 437--444
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  2. By: Stevens, P F
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 67
    Issue: 3
    Date: 1986
    Page Range: 313--339
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  3. By: Brim, Scott W. - Hebda, R J - Bohm, Bruce A. - Stevens, P F
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 59
    Issue: 4
    Date: 1978
    Page Range: 311--341
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  4. By: Stevens, P F
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 59
    Issue: 2
    Date: 1978
    Page Range: 129--155
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  5. By: Stevens, P F - Cullen, S P
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 71
    Issue: 2
    Date: 1990
    Page Range: 179--220
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  6. By: Stevens, P F
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 66
    Issue: 4
    Date: 1985
    Page Range: 471--490
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  7. By: Stevens, P F
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 57
    Issue: 2
    Date: 1976
    Page Range: 167--184
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  8. By: Stevens, P F
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 61
    Issue: 3
    Date: 1980
    Page Range: 425--699
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  9. By: Stevens, P F
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 61
    Issue: 2
    Date: 1980
    Page Range: 117--424
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  10. By: Stevens, P F
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 10
    Date: 2000
    Page Range: 153--155
    Publication Info: St. Louis, MO, Missouri Botanical Garden,
  11. By: Stevens, P F
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 55
    Issue: 2
    Date: 1974
    Page Range: 264--268
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-
  12. By: Turner, I. M. (Ian Mark), - Stevens, P F
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 51
    Series: 4
    Date: 1999
    Page Range: 175--177
    Publication Info: Singapore, Govt. Print. Off. [etc.],