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  1. By: Walker, Ken
    Type: Article
    In: Bulletin of the American Iris Society
    Volume: 95
    Issue: 2
    Date: 2014
    Page Range: 20--21
    Publication Info: DeLeon Springs, Fla American Iris Society
  2. By: Walker, Ken - Neboiss, Arturs - Dean, John C., - Cartwright, David
    Type: Article
    In: The Australian Entomologist
    Volume: 22
    Issue: 1
    Date: 1995-07
    Page Range: 19--31
    Publication Info: Indooroopilly, Qld Entomological Society of Queensland