-
By: Luginbill, Philip, - Urbahns, T. D. (Theodore Dietrich),Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1916Volume: no.432 (1916)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Diseases and pests Grain Grasses Spike-horned leaf-minerBHL Collections: