Missouri records
Flat-headed Snake in Missouri
HarmlessTantilla gracilis

Yes. The Flat-headed Snake has been recorded in 25 Missouri counties. It is non-venomous (harmless). Tiny and slender, plain brown or tan, often with a darker head cap.
Missouri counties with Flat-headed Snake records
25 listedSee the full Flat-headed Snake profile or all snakes in Missouri.