Formica rufa subsp. coloradensis Creighton, 1940a: 1, 7 (in key) (w.q.) U.S.A. (Colorado). Nearctic.

Primary type information: Primary type material: syntype workers, syntype queens (numbers not stated). Primary type locality: U.S.A.: Colorado, Florissant, 8100 ft (W.M. Wheeler). Primary type depositories: AMNH, LACM, MCZC.