Formica fusca var. marcida Wheeler, 1913i: 398 (in key) (w.q.) CANADA (British Columbia). Nearctic.

Primary type information: Primary type material: lectotype worker (by designation of Francoeur, 1973: 189). Primary type locality: lectotype Canada: British Columbia, Selkirk Mts, Prairie Hills (J.C. Bradley). Primary type depository: MCZC. Secondary type information: Secondary type material: paralectotype workers (number not stated), 9 paralectotype queens. Secondary type locality: same as for lectotype. Secondary type depositories: AMNH, MCZC.