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  1. By: Powers, Steven L - Whitlow, Peyton
    Type: Article
    In: Banisteria : a journal devoted to the natural history of Virginia
    Volume: 50
    Date: 2018
    Page Range: 10--14
    Publication Info: [Hampden-Sydney, Va.], Virginia Natural History Society, [1992]-
  2. By: Powers, Steven L
    Type: Article
    In: Journal of the Kentucky Academy of Science
    Volume: 64
    Issue: 1
    Date: 2003
    Page Range: 6--11
    Publication Info: Lexington, KY The Academy 1998-