| Name | Callithamnion baileyi var. laxa Farlow |
| Authorship | Farlow |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Callithamnion baileyi Harvey |
| Remarks | Created from Taxon Name Import: Callithamnion baileyi var. laxa Farlow |
| GUID | urn:lsid:marinespecies.org:taxname:696621 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Callithamnion baileyi var. laxa Farlow |
| Identification made in | [no date] (4) |