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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Zeng, Chengkui
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 7
    Date: 1944
    Page Range: 215--226
    Publication Info: Berkeley California Botanical Society
  2. By: Zeng, Chengkui
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 47
    Issue: 553
    Date: 1946-01
    Page Range: 1--10
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-
  3. By: Zeng, Chengkui
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 47
    Issue: 554
    Date: 1946-02
    Page Range: 32--39
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-