Inventory of seeds and plants imported by the office of foreign seed and plant introduction during the period from april 1 to june 30, 1916
Inventory of seeds and plants imported by the office of foreign seed and plant introduction during the period from april 1 to june 30, 1916 - Washington 1920 - 1-96 p. - Plant, Seed U.S. Department of Agriculture, Bureau of Plant Industry. Bulletin No. 47 .