Basionym:
Sphaeria arenula Berk. & Broome, Ann. Mag. Nat. Hist. Ser. 2. 9 (52): 320 (1852) [MB#448819]
Obligate synonyms:
- Nectria arenula (Berk. & Broome) Berk., Outlines of British Fungology: 394 (1860) [MB#224580]
- Hydropisphaera arenula (Berk. & Broome) Rossman & Samuels, Stud. Mycol. 42: 30 (1999) [MB#461043]
- Dialonectria arenula (Berk. & Broome) Cooke, Grevillea 12 (64): 110 (1884) [MB#433632]
- Nectriella arenula (Berk. & Broome) anon. ined. (1999) [MB#438740]
- Cucurbitula arenula (Berk. & Broome) anon. ined. (?) [MB#457677]
- Cucurbitaria arenula (Berk. & Broome) Kuntze, Revisio generum plantarum 3 (3): 460 (1898) [MB#524680]
Taxonomic synonyms:
- Peziza calamaria Ces., Klotzschii herbarium vivum mycologicum sistens fungorum per totam Germaniam crescentium collectionem perfectam. Centuria XX: no. 1926 (1855) [MB#148624]
- Orbilia calamaria (Ces.) Sacc., Syll. Fung. 8: 632 (1889) [MB#174822]
- Calonectria transiens Rehm, Hedwigia 39 (4): 225 (1900) [MB#163668]
- Nectria transiens (Rehm) Weese, Ann. Mycol. 9: 424 (1911) [MB#503070]