• [Misspelled as hardeni by Mackay & Mackay, 2017: 208.]
• Subspecies of Aphaenogaster treatae: Wheeler & Wheeler, 1934: 11 (in key); Smith, 1951c: 798.
• Junior synonym of Aphaenogaster ashmeadi: Creighton, 1950a: 142; Smith, 1958c: 117; Smith, 1979: 1360; Bolton, 1995b: 70; Mackay & Mackay, 2017: 208.

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Creighton, W. S. 1950a. The ants of North America. Bulletin of the Museum of Comparative Zoology 104:1-585. PDF
• Mackay, W.; Mackay, E. 2017. The New World gypsy ants of the genera Aphaenogaster and Novomessor (Hymenoptera: Formicidae). Mauritius: LAP LAMBERT Academic Publishing, 605 pp.
• 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, G. C.; Wheeler, E. W. 1934. New forms of Aphaenogaster treatae Forel from the southern United States (Hym.: Formicidae). Psyche (Cambridge) 41:6-12. PDF
• Wheeler, W. M. 1919b. A new subspecies of Aphaenogaster treatae Forel. Psyche (Cambridge) 26:50. PDF