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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Duncan, Wilbur H. (Wilbur Howard), - Brown, Claud L. (Claud Lafayette),
    Type: Article
    In: Rhodora
    Volume: 56
    Date: 1954
    Page Range: 133--136
    Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]