Abstract
Abstract Late Archaic archaeobotanical remains from the County Home site (33AT40), southeastern Ohio, are described. Measurements of chenopod (Chenopodium berlandieri) seed-coat thicknesses and marshelder (Iva annua) achene and kernel lengths from the site are indicative of domesticated types (ssp. jonesianum and var. macrocarpa, respectively) dating to ca. 3000 B.P. to 3600 B.P. Together, these specimens represent some of the earliest evidence of plant domestication outside the oak-hickory and oak-savannah forests of eastern North America. The recovery of these plants with other cultigens in hearths and earth ovens at the County Home site indicates that the timing for the arrival of the Initial Crop Complex in the Appalachian mixed forest of the middle Ohio Valley occurred earlier than previously documented. The results of this research contribute to the growing database of early plant domestication and a broader understanding of the origins of food production.
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