TY - JOUR T1 - Taxonomy of Zea (Gramineae). II. Subspecific categories in the Zea mays complex and a generic synopsis JF - American Journal of Botany Y1 - 1980 A1 - Iltis, Hugh H. A1 - Doebley, John F. SP - 994 EP - 1004 KW - GRAMINEAE KW - TAXONOMY KW - ZEA VL - 67 ER -