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  1. By: Funk, V. A. (Vicki Ann), - Sancho, Gisela - Roque, Nádia
    Type: Article
    In: PhytoKeys
    Volume: 91
    Date: 2017
    Page Range: 105-124
    Publication Info: Sofia, Bulgaria Pensoft Publishers [2010]-
    Subjects: Arizona  Asteraceae  Gochnatia  Gochnatioideae  Mexico  South American-Mexican disjunct distribution  Texas