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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Stebbins, G Ledyard, (George Ledyard), Jr., - Paddock, Elton F
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 10
    Date: 1949
    Page Range: 70--81
    Publication Info: Berkeley, California Botanical Society,