Basionym Name:Cladonia furcata var. gracillima Mont., in Webb & Berthelot, Hist. nat. Iles Canar. (Paris) 3(2): 120 (1840)
Homotypic synonyms:Cladonia rangiformis var. gracillima (Mont.) Ahti, Ann. bot. fenn. 15(1): 10 (1978)