[as 'laatokkaënsis'], in Henssen & Jørgensen, Lichenologist 22, 2: 139 (1990).

Basionym: Malmgrenia laatokkensis Vain. ex Räsänen [as 'laatokkaënsis'], Ann. bot. Soc. Zool.-Bot. fenn. Vanamo 12(no. 1): 126 (1939).

Synonyms: Index Fungorum