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  1. By: Weigand, Anna - Lehnert, Marcus
    Type: Article
    In: Sociedade Botânica do Brasil
    Date: 2016-01-01
    Publication Info: Sociedade Botânica do Brasil
    Subjects: Alsophila  Cyathea  Cyatheaceae  pteridophytes  Sphaeropteris  synoptical key  systematics
  2. By: Weigand, Anna - Lehnert, Marcus
    Type: Article
    In: Sociedade Botânica do Brasil
    Date: 2016-09-01
    Publication Info: Sociedade Botânica do Brasil
    Subjects: Alsophila  Cyathea  Cyatheaceae  pteridophytes  Sphaeropteris  synoptical key  systematics