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  1. By: Robinson, Harold Ernest, - Funk, V. A. (Vicki Ann),
    Type: Article
    In: PhytoKeys
    Volume: 3
    Date: 2011
    Page Range: 21-34
    Publication Info: Pensoft Publishers 2011
    Subjects: Centrapalinae  Compositae  Erlangineae  new genus  Nothovernonia  Phylogeny  tropical Africa