Basionym Name:Rhizocarpon chionophilum f. primarium Vain., Acta Soc. Fauna Flora fenn. 53(no. 1): 321 (1922)
Homotypic synonyms:Rhizocarpon alpicola f. primarium (Vain.) Zahlbr., Cat. Lich. Univers. 4: 321 (1926)Rhizocarpon chionophilum var. primarium (Vain.) Räsänen, Rev. Sudamer. Bot. 7: 84 (1942)