Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Stereocaulon vesuvianum var. nodulosum (Wallr.) I.M.Lamb)
Stereocaulon vesuvianum f. depressum (H. Magn.) I. M. Lamb
Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Stereocaulon vesuvianum var. nodulosum (Wallr.) I.M.Lamb)