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  1. By: Colmenero-Robles, José Aurelio - Nava, Rafael Fernández
    Type: Article
    In: SIDA, contributions to botany
    Volume: 20
    Date: 2003
    Page Range: 1299--1309
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  2. By: Nava, Rafael Fernández
    Type: Article
    In: Acta Botánica Mexicana
    Volume: 2
    Date: 1988
    Page Range: 11--20
    Publication Info: México, Instituto de Ecología, A C, 1988-