Forage (2018) Nutritional Properties of Native Plants and Traditional Foods from the Central United States
by Kelly Kindscher et al; 2018
Not staple crops per se in terms of what we plant, but more "staple" in what Mother Nature provides for us. Here in southeast Michigan we are fortunate enough to have quite a few of these plants available to our benefit. Of course, please be sure to properly identify any foraged plants before including them in your diet.