Order Rodentia - Family Cricetidae Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2 955 1189 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Synaptomys (Mictomys) borealis (Richardson 1828) [Arvicola] borealis Richardson 1828 , Zool. J., 3: 517 . Type Locality: Canada , District of Mackenzie, Great Bear Lake, Fort Franklin. Vernacular Names: Northern Bog Lemming . Synonyms: Synaptomys (Mictomys) andersoni J. A. Allen 1903 ; Synaptomys (Mictomys) artemisiae Anderson 1932 ; Synaptomys (Mictomys) bullatus Preble 1902 ; Synaptomys (Mictomys) chapmani J. A. Allen 1903 ; Synaptomys (Mictomys) dalli Merriam 1896 ; Synaptomys (Mictomys) innuitus ( True 1894 ) ; Synaptomys (Mictomys) medioximus Bangs 1900 ; Synaptomys (Mictomys) smithi Anderson and Rand 1943 ; Synaptomys (Mictomys) sphagnicola Preble 1899 ; Synaptomys (Mictomys) truei Merriam 1896 ; Synaptomys (Mictomys) wrangeli Merriam 1896 . Distribution: Patchy occurrence in boreal habitats, from Alaska to N Washington , USA , eastwards across much of interior Canada to Labrador; disjunct range segment from Gaspe Peninsula, Quebec , to C New Hampshire , USA . Conservation: IUCN – Lower Risk (nt). Discussion: Subgenus Mictomys . Pleistocene records establish the species in the Great Basin, far to the south of its current range (see Mead et al., 1992 ).