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  1. By: Wells, Nelson M.
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 50
    Issue: 598
    Date: 1949-10
    Page Range: 217--222
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-
  2. By: Wells, Nelson M.
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 39
    Issue: 465
    Date: 1938-09
    Page Range: 193--200
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-
  3. By: Wells, Nelson M.
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 39
    Issue: 466
    Date: 1938-10
    Page Range: 221--228
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-