| Name | Callithamnion byssoides var. jamaicensis Collins |
| Authorship | Collins |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Callithamnion byssoides Arnott ex Harvey |
| Remarks | Created from Taxon Name Import: Callithamnion byssoides var. jamaicensis Collins |
| GUID | urn:lsid:marinespecies.org:taxname:553012 |
| Citation | 1901 Proc. Amer. Acad. Arts 37: 258 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Callithamnion byssoides var. jamaicensis Collins |
| Identification made in | [no date] (5) |