| Name | Gelidium subcostatum Okamura |
| Authorship | Okamura |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Gelidium J. V. Lamouroux |
| Remarks | Created from Taxon Name Import: Gelidium subcostatum Okamura |
| GUID | urn:lsid:marinespecies.org:taxname:497575 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Gelidium subcostatum Okamura |
| Identification made in | [no date] (2) |