| Name | Callithamnion versicolor var. seirospermum Harvey |
| Authorship | Harvey |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Callithamnion versicolor (C. Agardh) C. Agardh |
| Remarks | Created from Taxon Name Import: Callithamnion versicolor var. seirospermum Harvey |
| GUID | urn:lsid:marinespecies.org:taxname:551718 |