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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hodgdon, A R - Giguere, P - Krochmal, Stanley B - Riel, A
    Type: Article
    In: Rhodora
    Volume: 54
    Date: 1952
    Page Range: 237--246
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],