alternatehistory.com

As we all know, during the Columbian Exchange a lot of things crossed the Atlantic in both directions. However, for various reasons there were a lot of New World crops that remained unknown in Europe or indeed anywhere else in the new world until fairly recently, e.g. the pseudocereals, various tubers, various fruits, etc.

Your mission if you choose to accept it is to come up with plausible ways for as many of the underutilized in OTL crops to have crossed the Atlantic at more or less the same time as the potato as possible and theorize the potential ramifications of them doing so.
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