1-6-11. State tree.The Black Hills Spruce, Picea Glauca Densata, being a tree native to the State of South Dakota and by its name definitely designating this state as its own and being a tree of noble attributes, is hereby named to be the state tree of South Dakota. Source: SL 1947, ch 266; SDC Supp 1960, §55.0112.
South Dakota Legal Code