| Name | Ceramium squarrosum (Harvey) J. Agardh |
| Authorship | (Harvey) J. Agardh |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Ceramium Roth |
| Remarks | Created from Taxon Name Import: Ceramium squarrosum (Harvey) J. Agardh |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Ceramium squarrosum (Harvey) J. Agardh |
| Identification made in | [no date] (5) |