1900. Lepus americanus dalli Merriam, Proc. Washington Acad. Sci., 2:29, March 14, type from Nulato, Alaska.
Marginal records.—Noatak River (Bailey and Hendee, 1926:21); Upper St. John River (Rausch, 1950:466); Koyukuk (Nelson, 1909:102); Anvik (ibid.); Yukon Delta (ibid.); thence northerly, in suitable habitat, along coast to Noatak River.
Lepus americanus klamathensis Merriam.
1899. Lepus klamathensis Merriam, N. Amer. Fauna, 16:100, October 28, type from head of Wood River, near Fort Klamath, Klamath County, Oregon.
1936. Lepus americanus klamathensis, V. Bailey, N. Amer. Fauna, 55:95, August 29.
Marginal records.—Oregon (Dalquest, 1942:176): Mt. Hood; mouth Davis Creek. California (Orr, 1940:53): vicinity Fort Bidwell; 3000 ft., Rush Creek, 12 mi. from [N of] Weaverville. Oregon: Estacada (Dalquest, 1942:176).
Lepus americanus macfarlani Merriam.
1900. Lepus americanus macfarlani Merriam, Proc. Washington Acad. Sci., 2:30, March 14, type from Fort Anderson, near mouth of Anderson River, Mackenzie.
1900. Lepus saliens Osgood, N. Amer. Fauna, 19:39, October 6, type from Caribou Crossing, between Lake Bennett and Lake Tagish, Yukon.
1907. ? Lepus niediecki Matschie, Niedieck's Kreuzfahrten im Beringmeer, p. 240, type locality Kasilof Lake, Kenai Peninsula, Alaska.