]> [author note: Herbarium and types: NDA; additional material at F, GH, MIN, MO, NY, PH, RM, U, UC, US] [collector note: North Dakota (mainly) (col. 1910-1956): CM, DAO, DPU, F, GH, MIN, MO, NDA, NMW, NY, OKL, PH, RM, U, UC, US.] Botany Stevens, Orin Alva Stevens, Orin Alva O. A. Stevens O. Stevens Orin Alva Stevens 1885 1979