That's already happened - Rye is an example of Vavilovian mimicry[1][2], a crop that evolved to be hard for humans to distinguish from weeds. Thankfully, the se

That's already happened - Rye is an example of Vavilovian mimicry[1][2], a crop that evolved to be hard for humans to distinguish from weeds. Thankfully, the selection pressure is also to be tasty and useful, as burning a field to prevent it's weeds from spreading remains a viable solution. [1] https://www.indefenseofplants.com/blog/2016/2/2/the-accidental-grain-how-rye-evolved-its-way-into-our-diet https://www.indefenseofplants.com/blog/2016/2/2/the-accident... [2] https://en.m.wikipedia.org/wiki/Vavilovian_mimicry https://en.m.wikipedia.org/wiki/Vavilovian_mimicry