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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hedgcock, George G. (George Grant), - Hunt, N R - Hahn, Glenn G.
    Type: Article
    In: Mycologia
    Volume: 12
    Issue: 4
    Date: 1920
    Page Range: 182--198
    Publication Info: [Bronx, etc.], New York Botanical Garden,