Chalicodoma californica Ashmead, 1897:1, Michener, 1939Michener, C.D. 1939. A revision of the genus Ashmeadiella (Hymen., Megachilidae). The American Midland Naturalist 22 (1):1-84.:50, Type ♀ (United States National Museum). - As Ashmeadiella californica: - Cockerell, 1903Cockerell, T.D.A. 1903. A catalogue of the bees of California. Psyche 10:74-78. (distribution); Cockerell, 1922Cockerell, T.D.A. 1922. Descriptions and records of bees.-XCVI. Annals and Magazine of Natural History ser. 9 (10):544-549. (distribution); Cockerell, 1941Cockerell, T.D.A. 1941. Observations on plants and insects in northwestern Baja California, Mexico, with descriptions of new bees. Trans. San Diego Soc. Nat. Hist. 9 (31):337-352. (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 Ashmeadiella californica californica: - Michener, 1939Michener, C.D. 1939. A revision of the genus Ashmeadiella (Hymen., Megachilidae). The American Midland Naturalist 22 (1):1-84. (distribution); Hurd & Michener, 1955Hurd, P.D. Jr. & C.D. Michener 1955. The Megachilidae bees of California (Hymenoptera: Megachilidae). Bulletin of the California insect survey 3:1-247. (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).
Ashmeadiella coquilletti Titus, 1904:99 - Michener, 1939Michener, C.D. 1939. A revision of the genus Ashmeadiella (Hymen., Megachilidae). The American Midland Naturalist 22 (1):1-84.:48 ( listed as synonym of Ashmeadiella californica californica (Ashmead, 1897)); Hurd & Michener, 1955Hurd, P.D. Jr. & C.D. Michener 1955. The Megachilidae bees of California (Hymenoptera: Megachilidae). Bulletin of the California insect survey 3:1-247.:187 ( listed as synonym of Ashmeadiella californica californica (Ashmead, 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.:2026 ( listed as synonym of Ashmeadiella californica californica (Ashmead, 1897)).