mackenziana Hammer, 1953: 32. Morulina.
Syntypes: 2 (slide) Canada. [Northwest Territories], Reindeer St[ation], 67, [9–18.vi.] 1948, [about 130 m a.s.l. on a clayey hill exposed 45o south in withered leaves of Pulsatilla, Saxifraga tricuspidata and Artemisia frigida], M. Hammer (CNC 165116, Type No. 18194).