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  1. By: Robinson, Harold Ernest, - Funk, V. A. (Vicki Ann),
    Type: Article
    In: PhytoKeys
    Volume: 110
    Date: 2018
    Page Range: 123-134
    Publication Info: Pensoft Publishers 2018
    Subjects: Asteraceae  corolla ducts  DNA Ge  Vernonia subg. Austrovernonia