Current Name:Stereocaulon vesuvianum var. nodulosum (Wallr.) I.M. Lamb, Best. europ. Flecht. (Vaduz): 633 (1969)
Synonymy:Patellaria paschalis var. nodulosa Wallr., Fl. crypt. Germ. (Norimbergae) 1: 441 (1831)Stereocaulon vesuvianum var. nodulosum (Wallr.) I.M. Lamb, Best. europ. Flecht. (Vaduz): 633 (1969)
Position in classification:Stereocaulaceae, Lecanorales, Lecanoromycetidae, Lecanoromycetes, Ascomycota, Fungi