| Citation | Gollasch, S. and S. Nehring, 2006 National checklist for aquatic alien species in Germany. Aquatic Invasions 1(4):245-269. |
| Ref. | 3700 Gollasch, S. and S. Nehring, 2006 |
| Page | 264 |
| Named Used as Valid | Urnatella gracilis |
| Locality | |
| Distribution | North America. |