Basionym Name:Lecidea oidalea Tuck., Proc. Amer. Acad. Arts & Sci. 4: 405 (1860)
Homotypic synonyms:Buellia oidalea (Tuck.) Tuck., Lichens of California (Berkeley): 26 (1866)Buellia oidalea subsp. oidalea (Tuck.) Tuck., Lichens of California (Berkeley): 26 (1866)Buellia oidalea var. oidalea (Tuck.) Tuck., Lichens of California (Berkeley): 26 (1866)Diplotomma oidaleum (Tuck.) Szatala, Annls Mus. natn. Hung., n.s. 7: 279 (1956)Rhizocarpon oidaleum (Tuck.) Fink, Mycologia 11(6): 306 (1919)