| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Alsidium helminthochorton | (Schwendimann) Kützing, 1843 | accepted name | Yes | senior synonym |
new combination |
| Gracilaria helminthochorton | (Schwendimann) Agardh, 1842 | synonym | No | senior synonym |
new combination |
| Sphaerococcus helminthochorton | (Schwendimann) Agardh | synonym | No | senior synonym |
new combination |