Aztecaster is a genus of Mexican flowering plants in the family Asteraceae.Neson, Guy L. 1993. Phytologia 75(1): 55-73Tropicos, Aztecaster G.L. Nesom
Species Aztecaster matudae (Rzed.) G.L.Nesom - Nuevo León, Coahuila, Zacatecas, San Luis Potosí Aztecaster pyramidatus (B.L.Rob. & Greenm.) G.L.Nesom - Oaxaca
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