Subspecies
• Choristoneura lambertiana lambertiana (confirmed: Siskiyou County and Ashland, Oregon. Uncertain: Alberta and British Columbia in Canada and Idaho, Montana, eastern Oregon and Wyoming in the United States) • Choristoneura lambertiana ponderosana Obraztsov, 1962 (Arizona, Colorado, Nevada, New Mexico, western New England, South Dakota) • Choristoneura lambertiana subretiniana Obraztsov, 1962 (California and Oregon) ==References==