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  1. By: Martínez-Domínguez, Lilí - Nicolalde-Morejón, Fernando - Vergara-Silva, Francisco - Stevenson, Dennis
    Type: Article
    In: PhytoKeys
    Volume: 100
    Date: 2018
    Page Range: 91-124
    Publication Info: Pensoft Publishers 2018
    Subjects: Cycadales  Mexican cycads  Neotropical gymnosperms  taxonomic circumscription