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  1. By: Ultsch, Gordon Richard,
    Publication info: 1972
    Holding Institution: University of Florida, George A. Smathers Libraries
  1. By: Ultsch, Gordon Richard, - Graham, Terry E. - Crocker, Carlos E.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 114
    Issue: 2
    Date: 2000
    Page Range: 314--315
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Ultsch, Gordon Richard, - Dubois, John E. - Wicklow, Barry
    Type: Article
    In: The Canadian field-naturalist
    Volume: 121
    Issue: 2
    Date: 2007-04-01
    Page Range: 178--181
    Publication Info: Ottawa Ottawa Field-Naturalists' Club