- Sweet Potato on Rapa Nui: Insights from a Monographic Study of the Genus Ipomoea. Seeds could just maybe have got there by floating, but more likely sweet potato was introduced to Easter Island by people from other parts of Polynesia, perhaps not by the first arrivals though.
- The legacy of 1300 years of land use in Jamaica. European colonization led to deforestation. And no doubt the spread of sweet potato, but that’s another story. The constant is cassava.
- Prehistoric agricultural decision making in the western Himalayas: ecological and social variables. Large, socially diverse prehistoric sites had more diverse agriculture. At these high altitude anyway. The constant is barley.
- Early Austronesians Cultivated Rice and Millet Together: Tracing Taiwan’s First Neolithic Crops. That would be japonica rice and foxtail millet, which were brought to Taiwan from the SE coast of China.
- Millet, Rice, and Isolation: Origins and Persistence of the World’s Most Enduring Mega-State. Meanwhile, back in China, the adoption of agriculture drives state formation.
- A 16th-century biodiversity and crop inventory. 60 crop and livestock species, which doesn’t sound like enough. Alas, no sweet potato or rice, but some Setaria millet.