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  1. By: Walker, James W. - Doyle, James A
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 62
    Date: 1975
    Page Range: 664--723
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  2. By: Walker, James W.
    Type: Review
    In: Rhodora
    Volume: 70
    Date: 1968
    Page Range: 422--428
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  3. By: Walker, James W. - Walker, Audrey G
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 66
    Date: 1979
    Page Range: 731--755
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  4. By: Walker, James W.
    Type: Article
    In: Contributions from the Gray Herbarium of Harvard University
    Issue: 202
    Date: 1971
    Page Range: 1-131
    Publication Info: [Cambridge, Mass.] Harvard University -1984]
  5. By: Walker, James W. - Walker, Audrey G
    Type: Article
    In: Annals of the Missouri Botanical Garden
    Volume: 71
    Date: 1984
    Page Range: 464--521
    Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-
  6. By: Walker, James W.
    Type: Article
    In: Rhodora
    Volume: 73
    Date: 1971
    Page Range: 461--461
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],