@article {2671, title = {Taxonomy of Zea (Gramineae). II. Subspecific categories in the Zea mays complex and a generic synopsis}, journal = {American Journal of Botany}, volume = {67}, year = {1980}, pages = {994-1004}, keywords = {GRAMINEAE, TAXONOMY, ZEA}, author = {Iltis, Hugh H. and Doebley, John F.} }