Basionym Name:Lecidea arcularum Harm., Bull. Séanc. Soc. Sci. Nancy, Sér. 2 33: 111, tab. XXVI, fig. 42 (1899)
Homotypic synonyms:Buellia arcularum (Harm.) Lettau, Hedwigia 52(3-4): 246 (1912)Buellia atroalba var. arcularum (Harm.) Boistel, Nouv. Fl. Lich. (Paris) 2: 238 (1903)