• Combination in Leptothorax (Mychothorax): Wheeler, 1917a: 512
• As unavailable (infrasubspecific) name: Wheeler, 1903d: 228; Wheeler, 1910a: 566; Wheeler, 1917a: 512; Wheeler, 1917e: 18; Emery, 1924f: 261; Smith, 1951c: 821.
• Subspecies of Leptothorax canadensis: Creighton, 1950a: 277.
• Junior synonym of Leptothorax muscorum: Brown, 1955a: 47; Smith, 1958c: 134; Smith, 1979: 1396; Bolton, 1995b: 240; Radchenko, 2016: 210.
• Junior synonym of Leptothorax canadensis: Schär et al., 2018: 6

Obsolete combinations

• Leptothorax yankee kincaidi

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Brown, W. L., Jr. 1955a. The ant Leptothorax muscorum (Nylander) in North America. Entomological News 66:43-50. PDF
• Creighton, W. S. 1950a. The ants of North America. Bulletin of the Museum of Comparative Zoology 104:1-585. PDF
• Emery, C. 1924f ("1922"). Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [concl.]. Genera Insectorum 174C:207-397. PDF
• Pergande, T. 1900. Papers from the Harriman Alaska expedition. XVII. Entomological results (11): Formicidae. Proceedings of the Washington Academy of Sciences 2:519-521. PDF
• Radchenko, A. G. 2016. Ants (Hymenoptera, Formicidae) of Ukraine. National Academy of Sciences of Ukraine. Kiev: I. I. Schmalhausen Institute of Zoology, 496 pp.
• Schär, S.; Talavera, G.; Espadaler, X.; Rana, J. D.; Andersen, A. A.; Cover, S. P.; Vila, R. 2018. Do Holarctic ant species exist? Trans-Beringian dispersal and homoplasy in the Formicidae. Journal of Biogeography 00:1-12. 10.1111/jbi.13380 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. 1958c. Family Formicidae. Pp. 108-162 in: Krombein, K. V. (ed.) 1958. Hymenoptera of America north of Mexico. Synoptic catalogue. First supplement. United States Department of Agriculture. Agriculture Monograph 2(suppl. 1):1-305. PDF
• Wheeler, W. M. 1903d. A revision of the North American ants of the genus Leptothorax Mayr. Proceedings of the Academy of Natural Sciences of Philadelphia 55:215-260. PDF
• Wheeler, W. M. 1910a. Ants: their structure, development and behavior. New York: Columbia University Press, xxv + 663 pp. 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
• Wheeler, W. M. 1917e. The ants of Alaska. Bulletin of the Museum of Comparative Zoology 61:13-23. PDF