Efraín Ildefonso Hernandez Xolocotzi y Guzmán, Mexican ethnobotanist and botanical explorer (San Bernabé Amaxac de Guerrero, Tlaxcala State 23 January 1913 – Chapingo 21 February 1992)
Authored over 200 papers and 6 books
World authority on economic botany and ethnobotany mainly about collection of genetic resources for culture
Authored with G. Alanis Estudio morfologico de cinco nuevas razas de maiz de la Sierra Madre Ocidental de Mexico. Agrociencias 5:3-30, 1970
HONOURS
Genus Xolocotzia Miranda 1965 (Verbenaceae)
Distinguished Economic Botanist, American Society for Economic Botany (1984)
Frank N. Meyer Medal, Crop Science Society (1981)