| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Neoralfsia expansa | (J.Agardh) P.-E.Lim & H.Kawai, 2012 | accepted name | Yes | senior synonym |
new combination |
| Ralfsia expansa | (Agardh) Agardh, 1848 | synonym | No | senior synonym |
new combination |