• Lectotype designation: Francoeur, 1973: 60.
• Wheeler, 1917a: 550 (q.); Francoeur, 1973: 63 (m.)
• Combination in Formica (Serviformica): Emery, 1925d: 246.
• As unavailable (infrasubspecific) name: Cole, 1936a: 38.
• Subspecies of Formica cinerea: Wheeler, 1917a: 550; Emery, 1925d: 246; Creighton, 1950a: 531; Smith, 1951c: 861.
• Junior synonym of Formica lepida: Smith, 1961a: 252; Smith, 1967a: 370.
• Status as species: Francoeur, 1973: 60 (redescription); Francoeur, 1975: 259; Hunt & Snelling, 1975: 23; Yensen et al., 1977: 184; Francoeur & Snelling, 1979: 4; Smith, 1979: 1452; Allred, 1982: 463; MacKay et al., 1988: 108 (in key); Bolton, 1995b: 192; Mackay & Mackay, 2002: 337; Ward, 2005: 63.

Obsolete combinations

• Formica cinerea canadensis

Citations

• Allred, D. M. 1982. Ants of Utah. Great Basin Naturalist 42:415-511.
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Cole, A. C., Jr. 1936a. An annotated list of the ants of Idaho (Hymenoptera: Formicidae). Canadian Entomologist 68:34-39. PDF
• Creighton, W. S. 1950a. The ants of North America. Bulletin of the Museum of Comparative Zoology 104:1-585. PDF
• Emery, C. 1925d. Hymenoptera. Fam. Formicidae. Subfam. Formicinae. Genera Insectorum 183:1-302. PDF
• Francoeur, A. 1973. Révision taxonomique des espèces néarctiques du groupe fusca, genre Formica (Formicidae, Hymenoptera). Mémoires de la Société Entomologique du Québec 3:1-316. PDF
• Francoeur, A. 1975 ("1974"). Notes for a revision of the ant genus Formica. 1. New identifications and synonymies for some nearctic specimens from Emery, Forel and Mayr collections. Entomological News 85:257-264. PDF
• Francoeur, A.; Snelling, R. R. 1979. Notes for a revision of the ant genus Formica. 2. Reidentifications for some specimens from the T. W. Cook collection and new distribution data (Hymenoptera: Formicidae). Contributions in Science (Los Angeles) 309:1-7. PDF
• Hunt, J. H.; Snelling, R. R. 1975. A checklist of the ants of Arizona. Journal of the Arizona Academy of Science 10:20-23. PDF
• MacKay, W. P.; Lowrie, D.; Fisher, A.; MacKay, E. E.; Barnes, F. 1988. The ants of Los Alamos County, New Mexico (Hymenoptera: Formicidae). Pp. 79-131 in: Trager, J. C. (ed.) 1988. Advances in myrmecology. Leiden: E. J. Brill, xxvii + 551 pp. PDF
• Mackay, W.; Mackay, E. 2002. The ants of New Mexico (Hymenoptera: Formicidae). Lewiston, New York: Edwin Mellen Press, 400 pp. PDF
• Santschi, F. 1914a ("1913"). Mélanges myrmecologiques. Annales de la Société Entomologique de Belgique 57:429-437. PDF
• Smith, D. R. 1979. Superfamily Formicoidea. Pp. 1323-1467 in: Krombein, K. V.; Hurd, P. D.; Smith, D. R.; Burks, B. D. (eds.) 1979. Catalog of Hymenoptera in America north of Mexico. Volume 2. Apocrita (Aculeata). Washington, D.C.: Smithsonian Institution Press, pp. i-xvi, 1199-2209.
• Smith, M. R. 1951c. Family Formicidae. Pp. 778-875 in: Muesebeck, C. F. W.; Krombein, K. V.; Townes, H. K. (eds.) 1951. Hymenoptera of America north of Mexico. Synoptic catalogue. United States Department of Agriculture. Agriculture Monograph 2:1-1420. PDF
• Smith, M. R. 1961a ("1960"). Notes on the synonymy of a North American ant (Hymenoptera: Formicidae). Proceedings of the Entomological Society of Washington 62:251-252. PDF
• Smith, M. R. 1967a. Family Formicidae. Pp. 343-374 in: Krombein, K. V.; Burks, B. D. (eds.) 1967. Hymenoptera of America north of Mexico. Synoptic catalog. Second supplement. United States Department of Agriculture. Agriculture Monograph 2(suppl. 2):1-584. PDF
• Ward, P. S. 2005. A synoptic review of the ants of California (Hymenoptera: Formicidae). Zootaxa 936:1-68. PDF
• Wheeler, W. M. 1917a. The mountain ants of western North America. Proceedings of the American Academy of Arts and Sciences 52:457-569. PDF
• Yensen, N. P.; Clark, W. H.; Francoeur, A. 1977. A checklist of Idaho ants (Hymenoptera: Formicidae). Pan-Pacific Entomologist 53:181-187. PDF