Basionym Name:Stereocaulon botryosum f. depressum Frey, Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 9(4.1): 126 (1932)
Homotypic synonyms:Stereocaulon depressum (Frey) I.M. Lamb, in Poelt, Best. europ. Flecht. (Vaduz): 645 (1969)