12 (B010); CANL: Scotter 6000, 2 August 1965, T-41, Reindeer Station, 68deg 36'N 134deg 03'W, det. Ahti; Scotter 2445, 5 August 1962, 150 year old black spruce type stand, south Whirlpool Lake, 61deg 05'N 109deg 15'W; Scotter 2325, 17 July 1962, North Taltson River, 61deg 50'N 109deg 10'W; Scotter 1618, 9 July 1961, 26 year old birch forest, W. Desperation Lake, 62deg 35'N 112deg 15'W, S. - 51 - 55; A.H. Marsh 3270, 26 August 1972, Mackenzie Delta, 3 miles NNW of Inuvik, 68deg 23'N 132deg 45'W, 50 feet elev, sparce Picea mariana, age 65, and Betula papyrifera over Alnus and Betula glandulosa, Sphagnum/Erica mounds 70%, mineral soil 15%, Carex tussocks 15%; Scotter 2362, 22 July 1962, on ground, North Taltson River, 61deg 50'N 109deg 10'W: 6 (R196); Localities given in Ahti et al. 1973 (Lichens of the Reindeer Preserve, Northwest Territories, Canada, The Bryologist 76: 48-76): 4 (R196); Thomson 1984 maps: 13 (R196); Thomson & Scotter 1983: 3 (R196)