You state/country is what you eat?

At first TPP thought that the maps might be trying to represent the diversity of foods characteristic of a particular country, but Australia is considerably more than some shrimp on the barbie.  Too bad the maps aren't that because that would be quite a challenge, but none the less these are still sort of interesting maps. But what is this? Lincolnland is garlic?  Wow, is that wrong.  Gilroy, California area maybe, but here abouts it's maize and soybeans, and Idaho has the maize rather than potatoes. Oh, well, something different must have been intended. Here's the link to the rest of the maps.