| Name | Ceramium gracillimum (Kützing) Zanardini |
| Authorship | (Kützing) Zanardini |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Ceramium Roth |
| Contains | Ceramium gracillimum f. byssoideum (Harvey) Mazoyer Ceramium gracillimum var. byssoideum Mazoyer Ceramium gracillimum f. intermedium Foslie |
| Remarks | Created from Taxon Name Import: Ceramium gracillimum (Kützing) Zanardini |
| Holdings | 32 Specimens held in the Harvard University Herbaria identified as Ceramium gracillimum (Kützing) Zanardini |
| Identification made in | [no date] (32) |