Basionym: Sphaeria arenula Berk. & Broome, Annals and Magazine of Natural History 9: 320 (1852) [MB#448819] Obligate synonyms: - Nectria arenula (Berk. & Broome) Berk., Outlines of British Fungology: 394 (1860) [MB#224580] - 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., Sylloge Fungorum 8: 632 (1889) [MB#174822]