Localities: Trytetjønnet: 14.06.1990
| Reporter: | Numedal videregående skole |
| Site: | Trytetjønnet () |
| Date: | 1990-06-14 |
| Activity: | VANDA: Bunndyr |
Observation
| Species: | Pea clam (Pisidium sp.) |
| Number: | 3 |
| Original: | Ja |
| Species: | Agrypnia obsoleta |
| Number: | 1 |
| Original: | Ja |
| Species: | Halesus radiatus |
| Number: | 1 |
| Original: | Ja |