]> [collector note: Pennsylvania (mainly): CM, DAO (col. 1941-52; col. 1952 with e.g. P. M. Monz, R. W. Booker & T. Sirko), DPU, GH, PAC (col. 1938-52)] Botany Westerfeld, Walter F. Westerfeld, Walter F. W. F. Westerfeld Westerfeld, W. F. 1905