]> Botany [collector note: Wisconsin: FH] Thomson, John Walter, Dahl, Eilif & Culberson, William Louis Thomson, John Walter, Dahl, Eilif & Culberson, William Louis J. W. Thomson, E. Dahl & W. L. Culberson Thomson, J. W., Dahl, E. & Culberson, W. L. John Walter Thomson, Eilif Dahl & William Louis Culberson