| Name | Helvella costifera Nannfeldt |
| Authorship | Nannfeldt |
| Rank | Species |
| Placed in | Helvella |
| GUID | urn:lsid:indexfungorum.org:names:298335 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Helvella costifera Nannfeldt |
| Identification made in | [no date] (5), 1989 (5) |
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