Name(s) in cluster
| Sycon arcticum | urn:lsid:organismnames.com:name:4006864 |
| Sycon arcticum (Haeck. ) | urn:lsid:organismnames.com:name:4035314 |
| Sycon arcticum (Haeckel ) | urn:lsid:organismnames.com:name:2612481 |
| Sycon arcticum Hackel | urn:lsid:organismnames.com:name:4200735 |
...