Localities: Tretjønnet: 27.09.1989
| Reporter: | Gimle videregående skole |
| Site: | Tretjønnet () |
| Date: | 1989-09-27 |
| Activity: | VANDA: Planteplankton |
Observation
| Species: | Ankistrodesmus spiralis |
| Number: | 1 |
| Original: | Ja |
| Species: | Ceratium hirundinella |
| Number: | 1 |
| Original: | Ja |
| Species: | Closterium sp. |
| Number: | 1 |
| Original: | Ja |