Basionym:
Sphaeria lagenaria Pers., Synopsis methodica fungorum: 58 (1801) [MB#237155]
Obligate synonyms:
- Auerswaldia lagenaria (Pers.) Rabenh., Hedwigia 1: 116 (1857) [MB#163783]
- Ceratostoma lagenaria (Pers.) Fr., Syst. veget. (1849) [MB#238282]
- Ceratostoma lagenarium (Pers.) Fr., Summa vegetabilium Scandinaviae 2: 396 (1849) [MB#256172]
- Phaeostoma lagenarium (Pers.) Munk, Dansk botanisk Arkiv 17 (1): 82 (1957) [MB#275219]
- Cerastoma lagenarium (Pers.) Quél., Mémoires de la Société d'Émulation de Montbéliard sér. 2, 5: 522 (1875) [MB#504628]
Taxonomic synonyms:
- Phaeostoma lagenaria (Pers.) Munk (1957) [MB#302776]
- Melanospora lagenaria var. tetraspora Rehm, Hedwigia 30: 259 (1891) [MB#136785]
- Cerastoma lagenaria (Pers.) Quél. (1875) [MB#534747]
- Melanospora lagenaria var. lagenaria (1870) [MB#419746]