The first agricultural societies in America north of Mexico had as their subsistence base:

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The first agricultural societies in America north of Mexico had a subsistence base of local crops including squash, sunflower, marsh elder, and goosefoot. While the Mesoamerican domesticates (maize, beans, and squash) and domesticated llama and alpaca were used in other parts of the Americas, they were not the main subsistence base for the first agricultural societies in America north of Mexico. Similarly, ulluco, jícama, maca, and manioc were not commonly used in these societies.

The First Agricultural Societies in America North of Mexico Had