| Name | Halimeda gracilis f. laxa (E. S. Barton) E. S. Barton |
| Authorship | (E. S. Barton) E. S. Barton |
| Rank | Forma |
| NomenclaturalStatus | Unknown |
| Placed in | Halimeda gracilis Harvey ex J. Agardh |
| Remarks | Created from Taxon Name Import: Halimeda gracilis f. laxa (E. S. Barton) E. S. Barton |