Basionym: Peziza rhytismatis W. Phillips, Grevillea 8 (47): 101 (1880) [MB#462282] Obligate synonyms: - Lachnella rhytismatis (W. Phillips) W. Phillips, A manual of the British Discomycetes: 250 (1887) [MB#177813] - Dasyscyphus rhytismatis (W. Phillips) Sacc., Sylloge Fungorum 8: 453 (1889) [MB#194931] - Atractobolus rhytismatis (W. Phillips) Kuntze: 446 (1898) [MB#523404] Taxonomic synonyms: - Peziza minutissima P. Crouan & H. Crouan, Florule de Finistère, Contenant des Descriptions de 360 Espèces Nouvelles de Sporogames, des Nombreuses Observations: 52 (1867) [MB#238346] - Erinella minutissima Sacc., Sylloge Fungorum 8: 508 (1889) [MB#199016] - Peziza minutissima Batsch, Elenchus fungorum. Continuatio prima: 205, t. 27:143 (1786) [MB#248246] - Belonidium minutissimum (Batsch) W. Phillips, A manual of the British Discomycetes: 149 (1887) [MB#179635] - Peziza rhytismae W. Phillips (1880) [MB#587619]