DES MOINES, Iowa, May 12 -- The Iowa Department of Natural Resources issued the following news release: * * * 4 Invasive Species You Can Eat in Iowa According to the National Invasive Species Information Center, invasive species are plants or wildlife that thrive and spread aggressively outside their native habitat and cause economic or environmental harm. Many are quite tasty, and eating them helps reduce further proliferation in the environment. As always, learn to identify wild edibles fro  more