| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Ceramium flaccidum | (Harvey ex Kützing) Ardissone, 1871 | synonym | No | senior synonym |
new combination |
| Gayliella flaccida | (Harvey ex Kützing) T.O.Cho & L.J.McIvor, 2008 | accepted name | Yes | senior synonym |
original combination |