Colletes wootoni Cockerell, 1897:42 - Cockerell, 1901Cockerell, T.D.A. 1901. Flower and insect records from New Mexico. Entomological News 12 (2):38-43. (distribution); Cockerell, 1906Cockerell, T.D.A. 1906. The bees of New Mexico. Transactions of the American Entomological Society 32:289-314. (distribution); Timberlake, 1951Timberlake, P.H. 1951. Western bees of the genus Colletes (Hymenoptera: Apoidea). The Wasmann Journal of Biology 9 (2):181-238. (distribution); Stephen, 1954Stephen, W.P. 1954. A revision of the bee genus Colletes in America north of Mexico (Hymenoptera, Colletidae). University of Kansas Science Bulletin 36:149-527. (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); Vergara & Ayala, 2002Vergara, C.H. & R. Ayala 2002. Diversity, Phenology and Biogeography of the bees (Hymenoptera: Apoidea) of Zapotitlán de las Salinas, Puebla, Mexico. Journal of the Kansas Entomological Society 75 (1):16-30. (distribution); Ruíz-Cancino & Coronado-Blanco, 2002Ruíz-Cancino, E. & J.M. Coronado-Blanco 2002. Artrópodos terrestres de los estados de Tamaulipas y Nuevo León, México. Serie Publicaciones Cientificas No. 4:1-376. (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).
Colletes apacheorum Timberlake, 1943:401, ♀. Holotype ♀, Coyote Mountains, Arizona, about 3500 feet, August 4-7, 1916 (American Museum, leg. Lutz). Synonymized with Colletes wootoni Cockerell, 1897 by Timberlake, 1951Timberlake, P.H. 1951. Western bees of the genus Colletes (Hymenoptera: Apoidea). The Wasmann Journal of Biology 9 (2):181-238.:210. - Timberlake, 1943Timberlake, P.H. 1943. Bees of the genus Colletes chiefly from Colorado. Bulletin of the American Museum of Natural History 81 (5):385-410. (distribution); Stephen, 1954Stephen, W.P. 1954. A revision of the bee genus Colletes in America north of Mexico (Hymenoptera, Colletidae). University of Kansas Science Bulletin 36:149-527.:277 ( listed as synonym of Colletes wootoni Cockerell, 1897); 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.:1752 ( listed as synonym of Colletes wootoni Cockerell, 1897).