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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Duncan, Wilbur H. (Wilbur Howard), - Venard, Haskell - Mcdowell, G W
    Type: Article
    In: Rhodora
    Volume: 52
    Date: 1950
    Page Range: 229--232
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],