Monomorium minimum synonym of Monomorium carbonarium U.S.A. (Texas). Nearctic.
Buckley, S. B. 1867. Descriptions of new species of North American Formicidae (continued from page 172.). Proceedings of the Entomological Society of Philadelphia 6:335-350.   123311

Monomorium minimum compressum obsolete combination Mexico (Hidalgo). Neotropic.
Wheeler, W. M. 1914c. Ants collected by W. M. Mann in the state of Hidalgo, Mexico. Journal of the New York Entomological Society 22:37-61.   130084

Monomorium minimum cyaneum obsolete combination Mexico (Hidalgo). Neotropic.
Wheeler, W. M. 1914c. Ants collected by W. M. Mann in the state of Hidalgo, Mexico. Journal of the New York Entomological Society 22:37-61.   130084

Monomorium minimum emersoni synonym of Monomorium carbonarium U.S.A. (Arizona, Texas). Nearctic.
Gregg, R. E. 1945c. Two new forms of Monomorium (Formicidae). Psyche (Cambridge) 52:62-69.   125673