Mexican grasses in the United States national herbarium,
by A. S. Hitchcock.
- Washington, U.S. Govt. print. off., 1913.
- v, [258] p. 25 cm.
- Smithsonian institution. United States national museum. Contributions from the United States national herbarium, v. 17, pt. 3 .
"Bulletin of the United States national museum. Issued July 15, 1913."