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  1. By: Cowan, Richard S., - Gunn, Charles R. - Lackey, James Andrew - Kirkbride, Joseph H., Jr. - Wiersema, John Harry - Polhill, Roger Marcus - Mackinder, Barbara Ann - Rico-Arce, Maria de Lourdes,
    Publication info: Kew, Royal Botanic Gardens, Kew, 1999-2014
    Holding Institution: Royal Botanic Gardens Kew, Library, Art & Archives
  2. By: Cowan, Richard S.,
    Publication info: Washington, Smithsonian Institution Press, 1975
    Holding Institution: Smithsonian Libraries
  3. By: Stafleu, Frans A. Frans Antonie), - Cowan, Richard S.,
    Edition: 2d ed.
    Publication info: Utrecht, Bohn, Scheltema & Holkema, 1976-1988
    Holding Institution: Smithsonian Libraries
  1. By: Cowan, Richard S., - Maslin, B. R. (Bruce Roger),
    Type: Article
    In: Nuytsia: journal of the Western Australian Herbarium
    Volume: 10
    Issue: 1
    Date: 1995
    Page Range: 15--62
    Publication Info: Perth, W.A Department of Biodiversity, Conservation and Attractions
  2. By: Cowan, Richard S., - Maslin, B. R. (Bruce Roger),
    Type: Article
    In: Nuytsia: journal of the Western Australian Herbarium
    Volume: 10
    Issue: 1
    Date: 1995
    Page Range: 63--84
    Publication Info: Perth, W.A Department of Biodiversity, Conservation and Attractions
  3. By: Cowan, Richard S., - Maslin, B. R. (Bruce Roger),
    Type: Article
    In: Nuytsia: journal of the Western Australian Herbarium
    Volume: 10
    Issue: 2
    Date: 1995
    Page Range: 205--254
    Publication Info: Perth, W.A Department of Biodiversity, Conservation and Attractions
  4. By: Cowan, Richard S., - Maslin, B. R. (Bruce Roger),
    Type: Article
    In: Nuytsia: journal of the Western Australian Herbarium
    Volume: 12
    Issue: 3
    Date: 1999
    Page Range: 413--452
    Publication Info: Perth, W.A Department of Biodiversity, Conservation and Attractions
  5. By: Cowan, Richard S., - Maslin, B. R. (Bruce Roger),
    Type: Article
    In: Nuytsia: journal of the Western Australian Herbarium
    Volume: 12
    Issue: 3
    Date: 1999
    Page Range: 453--467
    Publication Info: Perth, W.A Department of Biodiversity, Conservation and Attractions
  6. By: Cowan, Richard S., - Maslin, B. R. (Bruce Roger),
    Type: Article
    In: Nuytsia: journal of the Western Australian Herbarium
    Volume: 9
    Issue: 1
    Date: 1993
    Page Range: 69--78
    Publication Info: Perth, W.A Department of Biodiversity, Conservation and Attractions
  7. By: Cowan, Richard S.,
    Type: Article
    In: Nuytsia: journal of the Western Australian Herbarium
    Volume: 9
    Issue: 1
    Date: 1993
    Page Range: 79--82
    Publication Info: Perth, W.A Department of Biodiversity, Conservation and Attractions
  8. By: Cowan, Richard S., - Maslin, B. R. (Bruce Roger),
    Type: Article
    In: Nuytsia: journal of the Western Australian Herbarium
    Volume: 9
    Issue: 1
    Date: 1993
    Page Range: 83--90
    Publication Info: Perth, W.A Department of Biodiversity, Conservation and Attractions
  9. By: Maguire, Bassett, - Cowan, Richard S., - Wurdack, John J.
    Type: Article
    In: Memoirs of the New York Botanical Garden
    Volume: 8
    Issue: 2
    Date: 1953
    Page Range: 87-160
    Publication Info: New York, The Garden, 1900-
  10. By: Cowan, Richard S.,
    Type: Chapter
    In: History of systematic botany in Australasia : proceedings of a symposium held at the University of Melbourne, 25-27 May 1988
    Date: 1990
    Page Range: 311--316
    Publication Info: South Yarra, Vic, Australian Systematic Botany Society, 1990
  11. By: Cowan, Richard S.,
    Type: Article
    In: Rhodora
    Volume: 68
    Date: 1966
    Page Range: 429--432
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  12. By: Cowan, Richard S.,
    Type: Article
    In: Arnoldia
    Volume: 33
    Issue: 1
    Date: 1973
    Page Range: 3--12
    Publication Info: Jamaica Plain, Mass, Arnold Arboretum, Harvard University,
  13. By: Cowan, Richard S.,
    Type: Article
    In: Contributions in science
    Volume: 13
    Date: 1957-10-23
    Page Range: 1--23
    Publication Info: Los Angeles, Calif, The Museum, [1957]-
  14. By: Court, A B - Cowan, Richard S., - Maslin, B. R. (Bruce Roger),
    Type: Article
    In: Nuytsia: journal of the Western Australian Herbarium
    Volume: 9
    Issue: 3
    Date: 1994
    Page Range: 315--318
    Publication Info: Perth, W.A Department of Biodiversity, Conservation and Attractions
  15. By: Cowan, Richard S.,
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 82
    Date: 1969
    Page Range: 611--617
    Publication Info: Washington, Biological Society of Washington,
  16. By: Cowan, Richard S., - Maslin, B. R. (Bruce Roger),
    Type: Article
    In: The Western Australian Naturalist
    Volume: 18
    Issue: 3
    Date: 1990-10-20
    Page Range: 79--82
    Publication Info: Nedlands, W.A, Western Australian Naturalists' Club, 1947
  17. By: Cowan, Richard S.,
    Type: Article
    In: Phytologia
    Volume: 26
    Date: 1973
    Page Range: 279--280
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  18. By: Cowan, Richard S.,
    Type: Article
    In: Nuytsia: journal of the Western Australian Herbarium
    Volume: 11
    Issue: 1
    Date: 1996
    Page Range: 11--19
    Publication Info: Perth, W.A Department of Biodiversity, Conservation and Attractions
  19. By: Cowan, Richard S.,
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 87
    Date: 1974
    Page Range: 95--128
    Publication Info: Washington, Biological Society of Washington,
  20. By: Maslin, B. R. (Bruce Roger), - Cowan, Richard S.,
    Type: Article
    In: Nuytsia: journal of the Western Australian Herbarium
    Volume: 10
    Issue: 1
    Date: 1995
    Page Range: 107--118
    Publication Info: Perth, W.A Department of Biodiversity, Conservation and Attractions
  21. By: Cowan, Richard S.,
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 86
    Date: 1973
    Page Range: 447--460
    Publication Info: Washington, Biological Society of Washington,
  22. By: Cowan, Richard S.,
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 90
    Date: 1977
    Page Range: 237--242
    Publication Info: Washington, Biological Society of Washington,
  23. By: Cowan, Richard S., - Brizicky, George K. (George Konstantin),
    Type: Article
    In: Memoirs of the New York Botanical Garden
    Volume: 10
    Issue: 2
    Date: 1960-04-30
    Page Range: 58--64
    Publication Info: New York, The Garden, 1900-
  24. By: Cowan, Richard S.,
    Type: Article
    In: Memoirs of the New York Botanical Garden
    Volume: 8
    Issue: 4
    Date: 1953-10-05
    Page Range: 257--342
    Publication Info: New York, The Garden, 1900-
  25. By: Cowan, Richard S.,
    Type: Article
    In: Pacific science
    Volume: 3
    Issue: 3
    Date: 1949
    Page Range: 231--270
    Publication Info: Honolulu, University Press of Hawaii,