Mo. Rev. Stat. § 10.100 – State tree nut — black walnut | Midpage
§ 10.100
Mo. Rev. Stat. § 10.100
State tree nut — black walnut
Effective Aug 28, 1990(L. 1990 S.B. 749)
The nut produced by the black walnut tree (Juglans nigra) known as the "Eastern Black Walnut", is selected for and shall be known as the official tree nut of the state of Missouri.