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  1. By: Keller, Ida A. (Ida Augusta), - Brown, Stewardson,
    Publication info: Philadelphia, Philadelphia Botanical Club, 1905
    Holding Institution: Multiple institutions
  1. By: Keller, Ida A. (Ida Augusta),
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 17
    Series: 6
    Date: 1896
    Page Range: 249--255
    Publication Info: London Taylor and Francis, Ltd