| Determined as: | Ceratophyllaceae Ceratophyllum demersum L. |
| Collected by: | Blümel, 12.9.2002 |
| Comments for presentation : | part of plant only, comparative overview |
| Herbarium: | GFW |
| herbar scan |  |
| Country: | Germany |
| Province: | Mecklenburg-Vorpommern |
| Locality: | N Ribnitz, Ribnitzsee |