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  1. By: Beard, J. S. Beard, J. S. (John Stewart)
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 45
    Issue: 534
    Date: 1944-06
    Page Range: 121--126
    Publication Info: Lancaster, Pa, Published for the Garden by the New Era Printing Co, 1900-
  2. By: Beard, J. S. Beard, J. S. (John Stewart)
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 45
    Issue: 533
    Date: 1944-05
    Page Range: 97--104
    Publication Info: Lancaster, Pa, Published for the Garden by the New Era Printing Co, 1900-
  3. By: Beard, J. S. Beard, J. S. (John Stewart)
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 45
    Issue: 536
    Date: 1944-08
    Page Range: 175--180
    Publication Info: Lancaster, Pa, Published for the Garden by the New Era Printing Co, 1900-
  4. By: Beard, J. S. Beard, J. S. (John Stewart)
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 47
    Issue: 562
    Date: 1946-10
    Page Range: 237--242
    Publication Info: Lancaster, Pa, Published for the Garden by the New Era Printing Co, 1900-
  5. By: Beard, J. S. Beard, J. S. (John Stewart)
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 46
    Issue: 550
    Date: 1945-10
    Page Range: 237--248
    Publication Info: Lancaster, Pa, Published for the Garden by the New Era Printing Co, 1900-