Grass - 99% of grass varieties can be eaten. The seed heads can be used as a millet for breads or filler for soups and stews. Chew on the fibrous base of stalks for beneficial juices or make tea from fresh or dried leaves. #survival
Japanese Knotweed: high in resveritrol The ingredient in red wine that is so healthful, plus other nutrients. Sometimes called Mexican Bamboo, although it's in the buckwheat family. Tastes like rhubarb, "only better", and is a good, slightly exotic, replacement for lemon in recipes. Recipes for wild edibles on this site.