]> [author note: Herbarium and types: BUT, IND; additional material at F, US] [collector note: Indiana: BUT (col. 1928-1937), DPU, F, IND, ND; Michigan: BUT, (col. 1928-1937, 1947), DPU; N.E. United States: US; Vermont: DPU] Botany Potzger, John Ernest Potzger, John Ernest J. E. Potzger Potzger John Ernest Potzger 1886 1955