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  1. By: Ashton, Peter S. (Peter Shaw), - Ashton, Peter S. (Peter Shaw),
    Holding Institution: Harvard University Botany Libraries
  1. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 61
    Series: 4
    Issue: 1
    Date: 2009
    Page Range: 7--15
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  2. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: Arnoldia
    Volume: 77
    Issue: 1
    Date: 2019
    Page Range: 26--39
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  3. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 64
    Date: 1977
    Page Range: 694--705
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  4. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: Arnoldia
    Volume: 39
    Issue: 6
    Date: 1979
    Page Range: 330--369
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  5. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: Arnoldia
    Volume: 40
    Issue: 6
    Date: 1980
    Page Range: 238--293
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  6. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: Arnoldia
    Volume: 41
    Issue: 6
    Date: 1981
    Page Range: 197--254
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  7. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: Arnoldia
    Volume: 72
    Issue: 3
    Date: 2015
    Page Range: 14--21
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  8. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 29
    Series: 4
    Date: 1977
    Page Range: 19--23
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  9. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 67
    Issue: 2
    Date: 2015
    Page Range: 357--360
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  10. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 31
    Series: 4
    Date: 1978
    Page Range: 5--48
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  11. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: Arnoldia
    Volume: 49
    Issue: 1
    Date: 1989
    Page Range: 7--10
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  12. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 26
    Series: 4
    Date: 1972
    Page Range: 111--111
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  13. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: Arnoldia
    Volume: 76
    Issue: 4
    Date: 2019
    Page Range: 26--39
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  14. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: Arnoldia
    Volume: 42
    Issue: 2
    Date: 1982
    Page Range: 46--46
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  15. By: Ashton, Peter S. (Peter Shaw), - Slive, Seymour - Davies, Alice
    Type: Article
    In: Arnoldia
    Volume: 42
    Issue: 1
    Date: 1982
    Page Range: 2--31
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  16. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 57
    Series: 4
    Date: 2005
    Page Range: 269--278
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  17. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: Arnoldia
    Volume: 39
    Issue: 2
    Date: 1979
    Page Range: 67--70
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  18. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: Arnoldia
    Volume: 77
    Issue: 2
    Date: 2019
    Page Range: 20--29
    Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard University
  19. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 19
    Series: 4
    Issue: 1-3
    Date: 1962
    Page Range: 253--319
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  20. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 20
    Series: 4
    Issue: 3
    Date: 1963
    Page Range: 229--284
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  21. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 22
    Series: 4
    Issue: 2
    Date: 1967
    Page Range: 259--352
    Publication Info: Singapore, Govt. Print. Off. [etc.],
  22. By: Ashton, Peter S. (Peter Shaw),
    Type: Article
    In: The Gardens' bulletin, Singapore
    Volume: 54
    Series: 4
    Date: 2002
    Page Range: 207--216
    Publication Info: Singapore, Govt. Print. Off. [etc.],