Archaeology. On maize and the sunflower.
Piperno
D R
DR
Center for Tropical Paleoecology and Archaeology at the Smithsonian Tropical Research Institute (STRI), Box 2072, Balboa, Panama. pipernod@stri.org
D000383:Agriculture / Q000266:history*; D000569:Americas; D018556:Crops, Agricultural / Q000266:history*; D019662:Cucurbitaceae; D005580:Fossils; D006368:Helianthus; D049690:History, Ancient; D011058:Pollen; D012639:Seeds; D003313:Zea mays