Edible and Poisonious plants in the Grasslands
Edible:Purple Coneflower
Purple coneflower has a long history of medicinal use. Native Americans used it as an antidote for snake bit and other venomous bites and stings. It was also used in a smoke treatment for headaches. Purple coneflower was used to calm toothaches and sore gums, and tea form it was drunk to treat colds
Edible: Milkweed
The milky juice and the leaves are "bitter and mildly toxic," but boiling can rid the plant of both of those problems.