| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Himantothallus grandifolius | (A. Gepp & E.S. Gepp) Zinova, 1959 | accepted name | Yes | senior synonym |
new combination |
| Phyllogigas grandifolius | (A. Gepp & E. S. Gepp) Skottsberg, 1907 | synonym | No | senior synonym |
new combination |