| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Hydrolithon gardineri | (Foslie) Verheij & Prud'homme van Reine | accepted name | Yes | senior synonym |
new combination |
| Porolithon gardineri | (Foslie) Foslie ,1909 | synonym | No | senior synonym |
new combination |