Hunting for the ancient lost farms of North America

2,000 years ago, people domesticated these plants. Now they’re wild weeds. What happened?

Natalie Mueller is an archaeobotanist at Cornell University who has spent years hunting for erect knotweed across the southern US and up into Ohio and Illinois. She calls her quest the “Survey for Lost Crops,” and admits cheerfully that its members consist of her and “whoever I can drag along.” She’s published papers about her work in Nature, but also she spins yarns about her hot, bug-infested summer expeditions for lost farms on her blog. There, photographs of the rare wild plants are interspersed with humorous musings on contemporary local food delicacies like pickle pops.

Source: Hunting for the ancient lost farms of North America

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