| Name | Compsothamnion gracillimum De Toni |
| Authorship | De Toni |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Compsothamnion (Nägeli) F. Schmitz |
| Remarks | Created from Taxon Name Import: Compsothamnion gracillimum De Toni |
| GUID | urn:lsid:marinespecies.org:taxname:144572 |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Compsothamnion gracillimum De Toni |
| Identification made in | [no date] (13) |