Basionym Name:Cladonia cornuta var. groenlandica E. Dahl, Meddr Grønland, Biosc. 150(no. 2): 100 (1950)
Homotypic synonyms:Cladonia cornuta subsp. groenlandica (E. Dahl) Ahti, Ann. bot. fenn. 17(2): 221 (1980)Cladonia groenlandica (E. Dahl) Trass, Floristilised Mdrkmed (Eesti NSV Tead. Akad. Loodus, Selts, Tallin) 1: 2 (1972)