• Forel, 1901j: 350 (q.m.); Wheeler & Wheeler, 1960b: 12 (l.)
• Status as species: Mayr, 1886d: 457; Mayr, 1887: 598 (in key); Dalla Torre, 1893: 93; Emery, 1895d: 295; Forel, 1901j: 350; Wheeler, 1904f: 302; Wheeler, 1905j: 380; Wheeler, 1908h: 461; Wheeler, 1910a: 563; Emery, 1922c: 104; Smith, 1930a: 3; Wheeler, 1932a: 7; Dennis, 1938: 280; Creighton, 1950a: 183; Smith, 1951c: 803; Smith, 1958c: 122; Gregg, 1959: 14 (in key); Carter, 1962a: 6 (in list); Smith, 1967a: 354; Smith, 1979: 1372; Naves, 1985: 65; Feener, 1987: 569; Deyrup et al., 1989: 95; Bolton, 1995b: 325; Deyrup, 2003: 46; Wilson, 2003a: 325 (redescription); Coovert, 2005: 58; MacGown & Forster, 2005: 71; Deyrup, 2017: 92.
• Senior synonym of Pheidole morrisii impexa: Wilson, 2003a: 325.
• Senior synonym of Pheidole morrisii vanceae: Creighton, 1950a: 183; Smith, 1958c: 122; Gregg, 1959: 24; Smith, 1979: 1372; Naves, 1985: 65; Bolton, 1995b: 325; Wilson, 2003a: 325.

Junior synonyms

• Pheidole morrisii impexa Wheeler, 1908
• Pheidole morrisii vanceae Forel, 1901

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Carter, W. G. 1962a. Ants of the North Carolina Piedmont. Journal of the Elisha Mitchell Scientific Society 78:1-18. PDF
• Coovert, G. A. 2005. The ants of Ohio. Bulletin of the Ohio Biological Survey (New Series) 15 (2):1-196. PDF
• Creighton, W. S. 1950a. The ants of North America. Bulletin of the Museum of Comparative Zoology 104:1-585. PDF
• Dalla Torre, K. W. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. PDF
• Dennis, C. A. 1938. The distribution of ant species in Tennessee with reference to ecological factors. Annals of the Entomological Society of America 31:267-308. PDF
• Deyrup, M. 2003. An updated list of Florida ants (Hymenoptera: Formicidae). Florida Entomologist 86:43-48. PDF
• Deyrup, M. 2017. Ants of Florida. Identification and natural history. Boca Raton, Florida: CRC Press (Taylor & Francis group), 423 pp.
• Deyrup, M.; Johnson, C.; Wheeler, G. C.; Wheeler, J. 1989. A preliminary list of the ants of Florida. Florida Entomologist 72:91-101. PDF
• Emery, C. 1895d. Beiträge zur Kenntniss der nordamerikanischen Ameisenfauna. (Schluss). Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 8:257-360. PDF
• Emery, C. 1922c. Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [part]. Genera Insectorum 174B:95-206. PDF
• Feener, D. H., Jr. 1987. Response of Pheidole morrisi to two species of enemy ants, and a general model of defense behavior in Pheidole. Journal of the Kansas Entomological Society 60:569-575. PDF
• Forel, A. 1886b. Espèces nouvelles de fourmis américaines. Annales de la Société Entomologique de Belgique 30:xxxviii-xlix. PDF
• Forel, A. 1901j. Variétés myrmécologiques. Annales de la Société Entomologique de Belgique 45:334-382. PDF
• Gregg, R. E. 1959 ("1958"). Key to the species of Pheidole (Hymenoptera: Formicidae) in the United States. Journal of the New York Entomological Society 66:7-48. PDF
• MacGown, J. A.; Forster, J. A. 2005. A preliminary list of the ants (Hymenoptera: Formicidae) of Alabama, U. S. A. Entomological News 116:61-74. PDF
• Mayr, G. 1886d. Die Formiciden der Vereinigten Staaten von Nordamerika. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 36:419-464. PDF
• Mayr, G. 1887. Südamerikanische Formiciden. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 37:511-632. PDF
• Naves, M. A. 1985. A monograph of the genus Pheidole in Florida, USA (Hymenoptera: Formicidae). Insecta Mundi 1:53-90. 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. 1930a. A list of Florida ants. Florida Entomologist 14:1-6. PDF
• 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
• 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
• Wheeler, G. C.; Wheeler, J. 1960b. Supplementary studies on the larvae of the Myrmicinae (Hymenoptera: Formicidae). Proceedings of the Entomological Society of Washington 62:1-32. PDF
• Wheeler, W. M. 1904f. The ants of North Carolina. Bulletin of the American Museum of Natural History 20:299-306. PDF
• Wheeler, W. M. 1905j. An annotated list of the ants of New Jersey. Bulletin of the American Museum of Natural History 21:371-403. PDF
• Wheeler, W. M. 1908h. The ants of Texas, New Mexico and Arizona. (Part I.). Bulletin of the American Museum of Natural History 24:399-485. PDF
• Wheeler, W. M. 1910a. Ants: their structure, development and behavior. New York: Columbia University Press, xxv + 663 pp. PDF
• Wheeler, W. M. 1932a. A list of the ants of Florida with descriptions of new forms. Journal of the New York Entomological Society 40:1-17. PDF
• Wilson, E. O. 2003a. Pheidole in the New World. A dominant, hyperdiverse ant genus. Cambridge, Mass.: Harvard University Press, [ix] + 794 pp.