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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Harvey, John M
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 11
    Date: 1951
    Page Range: 162--171
    Publication Info: Berkeley, California Botanical Society,
  2. By: Harvey, John M
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 11
    Date: 1952
    Page Range: 195--198
    Publication Info: Berkeley, California Botanical Society,