Camponotus laevissimus valid U.S.A. (California). Nearctic.
Mackay, W.P. 2019. New World carpenter ants of the hyperdiverse genus Camponotus. Volume 1: Introduction, Keys to the subgenera and species complexes and the subgenus Camponotus. Mauritius: LAP LAMBERT Academic Publishing, 412 pp.   143434