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  1. By: Beck, Curt W., - Boon, Jaap J. - Grimaldi, David A.
    Publication info: 1989
    Holding Institution: American Museum of Natural History Library
  2. By: Grimaldi, David A. - Beck, Curt W., - Boon, Jaap J.
    Publication info: New York, American Museum of Natural History, c1989
    Holding Institution: American Museum of Natural History Library
  1. By: Langenheim, Jean H - Beck, Curt W.,
    Type: Article
    In: Botanical Museum leaflets, Harvard University
    Volume: 22
    Issue: 3
    Date: 1968-11-22
    Page Range: 65--120
    Publication Info: Cambridge, Mass Botanical Museum, Harvard University 1932-