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  1. Notes on the Hepaticae of California
    By: Evans, Alexander W
    Type: Article
    In: Proceedings of the California Academy of Sciences
    Volume: 13
    Series: 4
    Date: 1923
    Page Range: 111--130
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  2. A study of five New England species of Scapania
    By: Evans, Alexander W
    Type: Article
    In: Rhodora
    Volume: 38
    Date: 1936
    Page Range: 77--90
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