Taxonomic History (provided by Barry Bolton, 2010)
ashmeadi. Crematogaster ashmeadi Mayr, 1886d: 463 (w.m.) U.S.A. Combination in C. (Acrocoelia): Emery, 1922e: 141; in C. (Crematogaster): Buren, 1968b: 92. Senior synonym of matura: Creighton, 1950a: 206. See also: Johnson, C. 1988: 315.