Basionym Name:Thelidium caloplacae C.W. Dodge & G.E. Baker, Ann. Mo. bot. Gdn 25: 525 (1938)
Homotypic synonyms:Thelidiola caloplacae (C.W. Dodge & G.E. Baker) C.W. Dodge, Nova Hedwigia 15: 299 (1968)