| Name | Rhodomela subfusca var. gracilis (Kützing) Farlow |
| Authorship | (Kützing) Farlow |
| Rank | Variety |
| Placed in | Rhodomela subfusca (Woodward) C.Agardh |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Rhodomela subfusca var. gracilis (Kützing) Farlow |
| Identification made in | [no date] (4) |