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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Rutishauser, R - Pfeifer, E - Moline, P - Philbrick, C. Thomas
    Type: Article
    In: Rhodora
    Volume: 105
    Date: 2003
    Page Range: 337--353
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],