Mexican phanerogams described by M.E. Jones,
by C.V. Morton. Asteraceae described from Mexico and the southwestern United States by M.E. Jones; 1908-1935, by S.F. Blake.
- Washington, U.S. Govt. Print. Off., 1945.
- v, 87-137, vii-xi p. 25 cm.
- Smithsonian Institution. United States National Museum. Contributions from the United States National Herbrarium, v. 29, pt. 2 .
- United States National Museum. Contributions from the United States National Herbarium ; v. 29, pt. 2. .