I dont know if there is ONE official Autoimmune diet list, but I have seen nightshades eliminated in some diets.
lectin is in most all grains:
www.precisionnutrition.com/all-about-lectinsSeems like for almost every food theirs a pro and con to it with Drs who back it. Fact is if we avoided all these foods with possible health issues, there would be nothing left to eat LOL.
It really comes down to different food trials.
Organic berries free of pesticides are the best.