Basionym: Sphaeria penetrans var. patella Tode, Fungi Mecklenburgenses Selecti 2: 45, t. 15:121 (1791) [MB#139267] Obligate synonyms: - Heterosphaeria patella (Tode) Fr., Summa vegetabilium Scandinaviae 2: 365 (1849) [MB#186222] - Tympanis patella (Tode) Wallr., Flora Cryptogamica Germaniae 2: 425 (1833) [MB#170178] - Sphaeria patella (Tode) Pers., Synopsis methodica fungorum: 76 (1801) [MB#239600] - Cenangium patella (Tode) Sommerf., Supplementum florae lapponicae: 302 (1826) [MB#497190] - Phacidium patella (Tode) Fr., Elenchus Fungorum 2: 133 (1828) [MB#497395] - Heterosphaeria patella f. patella (Tode) Grev.: pl. 103 (1824) [MB#547351] Taxonomic synonyms: Sphaeria var. patella Tode (1790) [MB#587399]