| Name | Pterosiphonia pennata (C. Agardh) Sauvageau |
| Authorship | (C. Agardh) Sauvageau |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Pterosiphonia Falkenberg |
| Remarks | Created from Taxon Name Import: Pterosiphonia pennata (C. Agardh) Sauvageau |
| GUID | urn:lsid:marinespecies.org:taxname:144852 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Pterosiphonia pennata (C. Agardh) Sauvageau |
| Identification made in | [no date] (3) |