| Name | Peziza omphalodes f. confluens (Persoon) P. Karsten |
| Authorship | (Persoon) P. Karsten |
| Rank | Forma |
| Placed in | Peziza omphalodes Bulliard |
| Citation | 1865 Fungi Fenniae Exsicc. 3: 256 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Peziza omphalodes f. confluens (Persoon) P. Karsten |
| Identification made in | [no date] (1) |