| Αναφορά | Schuchert, P., 2001 Hydroids of Greenland and Iceland (Cnidaria, Hydrozoa). Meddelelser Om Gronland, Bioscience 53:1-184. |
| Αναφ. | 2979 Schuchert, P., 2001 |
| Σελίδα | 9 |
| Named Used as Valid | Hydractinia borealis |
| Περιοχή | Maine, USA. |
| Distribution | Northern Atlantic. |