]> [author note: IA: Asteraceae (Coreopsidineae) of Mexico and Central America] [collector note: (e.g. Nueva Galicia, col. 1966): IA, TEX] Botany Melchert, Thomas E. Melchert, Thomas E. T. E. Melchert Melchert Melchert, T. E. Thomas E. Melchert 1936