thulensis Hammer, 1953: 31 . Morulina .

Holotype: 1 (slide) Canada. [Manitoba], Churchill, 486, [18–26.viii.] 1948, [in heath with Vaccinium uliginosum, Arctostaphylos rubra, Dryas integrifolia, Astragalus alpinus, Shephardia canadensis, Rhododendron lapponicum, Empetrum nigrum, Carex and moss on moist, black soil], M. Hammer (CNC 165118, Type No. 18193).