Standley, Paul Carpenter, 1884-

Flora of the Panama Canal ZOne, by Paul C. Standley. - Washington, D.C. , U.S. Government Printing Office, 1928 - 416p., 66 plates. - (Smithsonian Institution. U.S. National Museum. Contributions from the U.S. National Herbarium, vol. 27). .

QK221 / Sta