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  1. By: Sawyer, John O. (John Orvel),
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 43
    Date: 1996
    Page Range: 392--392
    Publication Info: Berkeley, California Botanical Society,
  2. By: White, Scott D - Sawyer, John O. (John Orvel),
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 41
    Date: 1994
    Page Range: 302--315
    Publication Info: Berkeley, California Botanical Society,
  3. By: Smith, James P - Sawyer, John O. (John Orvel),
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 35
    Date: 1988
    Page Range: 54--69
    Publication Info: Berkeley, California Botanical Society,
  4. By: Sawyer, John O. (John Orvel), - Thornburgh, Dale A. - Bowman, W. F.
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 20
    Date: 1970
    Page Range: 413--415
    Publication Info: Berkeley, California Botanical Society,
  5. By: Riegel, Gregg M - Thornburgh, Dale A. - Sawyer, John O. (John Orvel),
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 37
    Date: 1990
    Page Range: 88--112
    Publication Info: Berkeley, California Botanical Society,
  6. By: Nesom, Guy L - Sawyer, John O. (John Orvel),
    Type: Article
    In: Phytologia
    Volume: 91
    Issue: 2
    Date: 2009
    Page Range: 300--307
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  7. By: Saenz, Loretta - Sawyer, John O. (John Orvel),
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 33
    Date: 1986
    Page Range: 40--46
    Publication Info: Berkeley, California Botanical Society,
  8. By: Sawyer, John O. (John Orvel),
    Type: Article
    In: Danthonia: newsletter of the Australian Network for Plant Conservation
    Volume: 8
    Issue: 2
    Date: 1999-09
    Page Range: 6--7
    Publication Info: Canberra Australian National Botanic Gardens [1993]-2002
  9. By: Sawyer, John O. (John Orvel),
    Type: Article
    In: Australasian Plant Conservation: journal of the Australian Network for Plant Conservation
    Volume: 13
    Issue: 1
    Date: 2004
    Page Range: 8--8
    Publication Info: Canberra Australian Network for Plant Conservation 2003-
  10. By: Sawyer, John O. (John Orvel),
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 40
    Date: 1993
    Page Range: 65--65
    Publication Info: Berkeley, California Botanical Society,
  11. By: Sawyer, John O. (John Orvel), - Edwards, Stephen W.
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 54
    Date: 2007
    Page Range: 172--174
    Publication Info: Berkeley, California Botanical Society,
  12. By: Sawyer, John O. (John Orvel),
    Type: Article
    In: Australasian Plant Conservation: journal of the Australian Network for Plant Conservation
    Volume: 12
    Issue: 2
    Date: 2003-09
    Page Range: 4--5
    Publication Info: Canberra Australian Network for Plant Conservation 2003-
  13. By: Sawyer, John O. (John Orvel),
    Type: Article
    In: Danthonia: newsletter of the Australian Network for Plant Conservation
    Volume: 5
    Issue: 4
    Date: 1997-03
    Page Range: 10--10
    Publication Info: Canberra Australian National Botanic Gardens [1993]-2002
  14. By: Sawyer, John O. (John Orvel),
    Type: Article
    In: Australasian Plant Conservation: journal of the Australian Network for Plant Conservation
    Volume: 13
    Issue: 1
    Date: 2004
    Page Range: 17--17
    Publication Info: Canberra Australian Network for Plant Conservation 2003-
  15. By: Sawyer, John O. (John Orvel),
    Type: Article
    In: Australasian Plant Conservation: journal of the Australian Network for Plant Conservation
    Volume: 13
    Issue: 3
    Date: 2004-2005
    Page Range: 29--29
    Publication Info: Canberra Australian Network for Plant Conservation 2003-
  16. By: Sawyer, John O. (John Orvel),
    Type: Article
    In: Australasian Plant Conservation: journal of the Australian Network for Plant Conservation
    Volume: 12
    Issue: 4
    Date: 2004-05
    Page Range: 14--14
    Publication Info: Canberra Australian Network for Plant Conservation 2003-