TY - JA AU - Mangelsdorf,P.C. AU - Cameron,J.W. TI - Western Guatemala: A secondary center of origin of cultivated maize varieties SN - 0006-8098 PY - 1942/// CY - USA PB - Harvard University KW - Evolution KW - AGROVOC KW - Natural history KW - Provenance KW - Research KW - Varieties KW - Zea mays KW - Guatemala T2 - Botanical Museum Leaflets of Harvard University ER -