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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Shellhammer, Howard S - Stecker, Ronald E - Harvey, H Thomas - Hartesveldt, Richard J
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 20
    Date: 1970
    Page Range: 408--410
    Publication Info: Berkeley, California Botanical Society,