Osmia propinqua Cresson, 1864:23, ♀.Fort Crook, California (Entom. Soc. Philadelphia, leg. H. Ulke). - Cockerell, 1897Cockerell, T.D.A. 1897. New and little-known North American bees. Proceedings of the Academy of Natural Sciences of Philadelphia 49:334-356. (distribution); Cockerell, 1907Cockerell, T.D.A. 1907. The bees of Boulder County, Colorado. University of Colorado Studies 4:239-259. (distribution); Cockerell, 1912Cockerell, T.D.A. 1912. Names applied to bees of the genus Osmia, found in North America. Proceedings of the United States National Museum 42:215-225. (distribution); Cockerell, 1916Cockerell, T.D.A. 1916. Some bees from Colorado. The Entomologist 49 (636):100-102. (distribution). - As Osmia lignaria propinqua: - Cockerell, 1928Cockerell, T.D.A. 1928. Some bees from Utah. Psyche 35 (4):232-234. (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).
Osmia lignaria lignariella Cockerell, 1906:227, no description.Romeroville and Las Vegas, New Mexico. - Cockerell, 1906Cockerell, T.D.A. 1906. The bees of New Mexico. Transactions of the American Entomological Society 32:289-314. (distribution); Cockerell, 1912Cockerell, T.D.A. 1912. Names applied to bees of the genus Osmia, found in North America. Proceedings of the United States National Museum 42:215-225. (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.:2032 ( listed as synonym of Osmia lignaria propinqua Cresson, 1864).