Basionym Name:Collema chalazanellum Nyl., Flora, Regensburg 59: 231 (1876)
Homotypic synonyms:Collema chalazanum var. chalanazellum (Nyl.) Boistel, Nouv. Fl. Lich. (Paris) 2: 307 (1903)Lempholemma chalazanellum (Nyl.) Zahlbr., Cat. Lich. Univers. 3: 14 (1924)Physma chalazanellum (Nyl.) Lettau, Hedwigia 52(3-4): 185 (1912)