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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Crocker, William, - Knight, Lee I - Roberts, Edith
    Type: Article
    In: Botanical gazette
    Volume: 50
    Issue: 5
    Date: 1910
    Page Range: 321--339
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991