Nomia Nortoni Cresson, 1868:385, ♂♀. 1 ♀, Kansas (Coll. Edward Norton); 1 ♂, 1 ♀, Colorado (leg. James Ridings); Holotype ♀, New Mexico, 1867. - Cresson, 1872Cresson, E.T. 1872. Hymenoptera Texana. Transactions of the American Entomological Society 4:153-292. (distribution); Cockerell, 1899Cockerell, T.D.A. 1899. The bees of Kansas. Entomological News 10 (1):3-4. (distribution); Cockerell, 1906Cockerell, T.D.A. 1906. The bees of New Mexico. Transactions of the American Entomological Society 32:289-314. (distribution); Cockerell, 1910Cockerell, T.D.A. 1910. The North American bees of the genus Nomia. Proceedings of the United States National Museum 38:289-298. (distribution); Cockerell, 1914Cockerell, T.D.A. 1914. Bees visiting Helianthus. The Canadian Entomologist 46 (12):409-415. (distribution); Cockerell, 1917Cockerell, W.P. 1917. Collecting bees in southern Texas. Journal of the New York Entomological Society 25:187-193. (distribution); Cockerell & Blair, 1930Cockerell, T.D.A. & B.H. Blair 1930. Rocky Mountain bees. I. American Museum Novitates 433:1-19. (distribution); Cockerell, 1934Cockerell, T.D.A. 1934. Records of Western bees. American Museum Novitates 697:1-15. (distribution); Mitchell, 1960Mitchell, T.B. 1960. Bees of the Eastern United States. Volume I. Technical bulletin (North Carolina Agricultural Experiment Station) 141:1-538. (distribution); Pascarella, 2006Pascarella, J.B. 2006. The bees of Florida. . (distribution); Owens et al., 2018Owens, B.E., L. Allain, E.C. van Gorder, J.L. Bossart & C.E. Carlton 2018. The bees (Hymenoptera: Apoidea) of Louisiana: An updated, annotated checklist. Proceedings of the Entomological Society of Washington 120 (2):272-307. (distribution); Nava-Bolaños & Osorio-Olvera, 2022Nava-Bolaños, A. & L. Osorio-Olvera 2022. Estado del arte del conocimiento de biodiversidad de los polinizadores de México. Revista Mexicana de Biodiversidad 93:1-77. (distribution). - As Nomia nortoni nortoni: - Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209. (distribution). - As Nomia nortonii: - Dalla Torre, 1896Dalla Torre, C.G. 1896. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus, X. Apidae (Anthophila). Sumptibus Guilelmi Engelmann, 1-643. (distribution).
Nomia nortoni plebeia Cockerell, 1910:276, ♀. Holotype ♀, Fedor, Texas, June 18, 1905 (leg. Birkmann). - Mitchell, 1960Mitchell, T.B. 1960. Bees of the Eastern United States. Volume I. Technical bulletin (North Carolina Agricultural Experiment Station) 141:1-538.:511 ( listed as synonym of Nomia nortoni nortoni Cresson, 1868); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209.:1944 ( listed as synonym of Nomia nortoni nortoni Cresson, 1868).