|Cole, 1954a: 90 (m.).|
|Revived from synonymy as subspecies of Formica fusca: Brown, 1947: 7.|
|Senior synonym of Formica spicata: Cole, 1954a: 89; Cole, 1955b: 50; of Formica rasilis: Mackay, Lowrie, et al., 1988: 114.|
Found most commonly in these habitats: 2 times found in conifer forest, 2 times found in sparse ponderosa pine forest, 2 times found in pine forest, 1 times found in lawn/conifer edge, 2 times found in mixed conifer/broadleaf riparian zone, 2 times found in bare river terrace, abundant stones embedded in sand, lichens, 1 times found in grassy field, 1 times found in lichen bald, conifer forest edge, 2 times found in shrub steppe, 1 times found in subalpine scrub, ...
Collected most commonly using these methods or in the following microhabitats: 27 times search, 1 times Thatched log stage 4, 1 times under rock
Elevations: collected from 5 - 2804 meters, 1127 meters average