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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Lawson, Cheryl A
    Type: Article
    In: SIDA, contributions to botany
    Volume: 8
    Date: 1979
    Page Range: 116--117
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  2. By: Lawson, Cheryl A
    Type: Article
    In: SIDA, contributions to botany
    Volume: 19
    Date: 2000
    Page Range: 415--420
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-