| Cladonia cornuta subsp. groenlandica (E. Dahl) Ahti Ann. Bot. Fenn. 17: 221. 4 Sep 1980. |
| |  Cladonia cornuta var. groenlandica E. Dahl Meddel. Grønland 150(2): 100. 4 Feb 1950. Greenland, Julianehaab District, Agdluitsoq (Lichtenaufjord), Sletten, 1937, E. Dahl s.n. |
| | | Holotype O, Isotype O |
| | Cladonia groenlandica (E. Dahl) Trass Folia Cryptog. Estonica 1: 2. 15 Apr 1972. |
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