Latitudinal range: 38.5° to 72.8°

Found in 4 samples

Canada: Learmonth Site (Holocene), McNichol Creek (midden) (Holocene)

United States: Haystack Cave (lower levels) (Late Pleistocene), Mykut Rockshelter (Holocene)

See also Lagopus, Lagopus lagopus, Lagopus muta