Basionym Name:Verrucaria cinerascens var. crenulata Nyl., Act. Soc. linn. Bordeaux 21(4): 424 (1857)
Homotypic synonyms:Endocarpon cinerascens var. crenulatum (Nyl.) Boistel, Nouv. Fl. Lich. (Paris): 99 (1896)Endopyrenium tephroides var. crenulatum (Nyl.) Boistel, Nouv. Fl. Lich. (Paris) 2: 267 (1903)Paraplacidiopsis crenulata (Nyl.) Servít, Ann. Mus. Civ. Stor. Nat. Genova 66: 248 (1953)Placidiopsis crenulata (Nyl.) Zschacke, Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 9(1.1): 639 (1934)Verrucaria crenulata (Nyl.) Nyl., Expos. Synopt. Pyrenocarp.: 18 (1858)