| Name | Pachydictyon coriaceum (Holmes) Okamura |
| Authorship | (Holmes) Okamura |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Pachydictyon J. Agardh |
| Remarks | Created from Taxon Name Import: Pachydictyon coriaceum (Holmes) Okamura |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Pachydictyon coriaceum (Holmes) Okamura |
| Identification made in | [no date] (2), 1960 (1) |