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  1. By: Pott, Vali J. (Vali Joana), - Cervi, Armando Carlos,
    Type: Article
    In: Sociedade Botânica de São Paulo
    Date: 1999-08-01
    Publication Info: Sociedade Botânica de São Paulo 1999-08-01
    Subjects: Duckweed  Lemnaceae  Pantanal wetland  taxonomy