Basionym Name:Lichen microscopicus Vill., Hist. pl. Dauphiné 3(2): 946 (1789)
Homotypic synonyms:Leprocaulon microscopicum (Vill.) Gams ex D. Hawksw., in Hawksworth & Skinner, Trans. Proc. Torquay nat. Hist. Soc. 1972-3 16(3): 128 (1974)Leprocaulon microscopicum (Vill.) Gams, Kl. Krypt.-Fl. (Stuttgart) 3: 113 (1967)Stereocaulon microscopicum (Vill.) Frey, Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 9(4.1): 89 (1932)