| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Neosiphonia sphaerocarpa | (Børgesen) M.S. Kim & I.K. Lee | accepted name | Yes | senior synonym |
new combination |
| Polysiphonia sphaerocarpa | Børgesen | synonym | No | senior synonym |
original combination |