GRASSES OF THE SOUTHWEST
1891. [United States Department of Agriculture, Division of Botany]. VASEY, George. ILLUSTRATIONS OF NORTH AMERICAN GRASSES. Vol. I.(- II.) Published by authority of the Secretary of Agriculture. Washington: Government Printing Office, 1891(-1893). Two quarto volumes: 1. Grasses of the Southwest: Plates and descriptions of the grasses of the desert region..... More