Nomada americana Kirby, 1837:269 - Robertson, 1895Robertson, C. 1895. Notes on bees, with descriptions of new species. Transactions of the American Entomological Society 22 (2):115-128. (distribution); Cockerell, 1903Cockerell, T.D.A. 1903. North American bees of the genus Nomada. Proceedings of the Academy of Natural Sciences of Philadelphia 55:580-614. (distribution); Mitchell, 1962Mitchell, T.B. 1962. Bees of the Eastern United States. Volume II. Technical bulletin (North Carolina Agricultural Experiment Station) 152:1-557.:365 ( listed as synonym of Nomada articulata Smith, 1854); 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.:2113 ( listed as synonym of Nomada articulata Smith, 1854); Alexander & Schwarz, 1994Alexander, B.A. & M. Schwarz 1994. A Catalog of the Species of Nomada (Hymenoptera: Apoidea) of the World. The University of Kansas Science Bulletin 55 (7):239-270.:243 ( listed as synonym of Nomada articulata Smith, 1854).
Nomada articulata Smith, 1854:248, ♂. ♂, North America (B.M., leg. E. Doubleday); Cockerell, 1905Cockerell, T.D.A. 1905. Notes on some bees in the British Museum. Transactions of the American Entomological Society 31:309-364.:312, Type ♂ (British Museum). - Robertson, 1895Robertson, C. 1895. Notes on bees, with descriptions of new species. Transactions of the American Entomological Society 22 (2):115-128. (distribution); Cockerell, 1911Cockerell, T.D.A. 1911. Records of bees. The Canadian Entomologist 43 (11):389-391. (distribution); Swenk, 1912Swenk, M.H. 1912. Studies of North American bees. I. Family Nomadidae. University Studies of the University of Nebraska 12 (1):1-113. (distribution); Mitchell, 1962Mitchell, T.B. 1962. Bees of the Eastern United States. Volume II. Technical bulletin (North Carolina Agricultural Experiment Station) 152:1-557. (distribution); 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); Pascarella, 2006Pascarella, J.B. 2006. The bees of Florida. . (distribution).
Nomada valida Smith, 1854:246, ♀. ♀, Nova Scotia (B.M.). - Robertson, 1895Robertson, C. 1895. Notes on bees, with descriptions of new species. Transactions of the American Entomological Society 22 (2):115-128.:125 ( listed as synonym of Nomada americana Kirby, 1837); Cockerell, 1912Cockerell, T.D.A. 1912. Names applied to bees of the genus Nomada, found in North America. Proceedings of the United States National Museum 41:225-243. (distribution); Mitchell, 1962Mitchell, T.B. 1962. Bees of the Eastern United States. Volume II. Technical bulletin (North Carolina Agricultural Experiment Station) 152:1-557. (distribution).
Nomada incerta Cresson, 1863:309, ♀. 13 ♀♀, Conn., N. J., Penn., Md., and Ill. (Ent. Soc. Phil., and E. Norton). Synonymized with Nomada articulata Smith, 1854 by Mitchell, 1962Mitchell, T.B. 1962. Bees of the Eastern United States. Volume II. Technical bulletin (North Carolina Agricultural Experiment Station) 152:1-557.:365. - Cresson, 1863Cresson, E.T. 1863. On the North American species of the genus Nomada. Proceedings of the Entomological Society of Philadelphia 2:280-312. (distribution); Robertson, 1895Robertson, C. 1895. Notes on bees, with descriptions of new species. Transactions of the American Entomological Society 22 (2):115-128.:125 ( listed as synonym of Nomada americana Kirby, 1837); Cockerell, 1912Cockerell, T.D.A. 1912. Names applied to bees of the genus Nomada, found in North America. Proceedings of the United States National Museum 41:225-243. (distribution); 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.:2113 ( listed as synonym of Nomada articulata Smith, 1854); Alexander & Schwarz, 1994Alexander, B.A. & M. Schwarz 1994. A Catalog of the Species of Nomada (Hymenoptera: Apoidea) of the World. The University of Kansas Science Bulletin 55 (7):239-270.:243 ( listed as synonym of Nomada articulata Smith, 1854).
Nomada articulata sensu Cresson, 1863:297, ♂ - Robertson, 1895Robertson, C. 1895. Notes on bees, with descriptions of new species. Transactions of the American Entomological Society 22 (2):115-128.:125 ( listed as synonym of Nomada americana Kirby, 1837); Cockerell, 1911Cockerell, T.D.A. 1911. Bees in the collection of the U. S. National Museum. 1. Proceedings of the United States National Museum 39:635-658. (distribution).
Nomada americana dacotana Cockerell, 1903:592, ♂.Brookings, S. D., June 8. - Cockerell, 1905Cockerell, T.D.A. 1905. The bees of the genus Nomada found in Colorado, with a table to separate all the species of the Rocky Mountains. Bulletin of the Colorado Agricultural Experiment Station 94:69-85. (distribution); Mitchell, 1962Mitchell, T.B. 1962. Bees of the Eastern United States. Volume II. Technical bulletin (North Carolina Agricultural Experiment Station) 152:1-557.:365 ( listed as synonym of Nomada articulata Smith, 1854); 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.:2113 ( listed as synonym of Nomada articulata Smith, 1854); Alexander & Schwarz, 1994Alexander, B.A. & M. Schwarz 1994. A Catalog of the Species of Nomada (Hymenoptera: Apoidea) of the World. The University of Kansas Science Bulletin 55 (7):239-270.:243 ( listed as synonym of Nomada articulata Smith, 1854).
Nomada bilobata Swenk, 1912:25, ♂♀. Holotype ♀, West Point, Cuming county, Nebraska, June 22, 1905 (leg. H.S. Smith); Muma, 1952Muma, M.H. 1952. Insect types in the collections of the University of Nebraska State Museum. Bulletin of the University of Nebraska State Museum 3 (8):1-35.:20, Type ♀, Allotype ♂ (University of Nebraska State Museum). Synonymized with Nomada articulata Smith, 1854 by Mitchell, 1962Mitchell, T.B. 1962. Bees of the Eastern United States. Volume II. Technical bulletin (North Carolina Agricultural Experiment Station) 152:1-557.:365. - 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.:2113 ( listed as synonym of Nomada articulata Smith, 1854); Alexander & Schwarz, 1994Alexander, B.A. & M. Schwarz 1994. A Catalog of the Species of Nomada (Hymenoptera: Apoidea) of the World. The University of Kansas Science Bulletin 55 (7):239-270.:243 ( listed as synonym of Nomada articulata Smith, 1854).