Localities: Koltjønna: 28.09.1990
| Reporter: | Fosen videregående skole |
| Site: | Koltjønna () |
| Date: | 1990-09-28 |
| Activity: | VANDA: Planteplankton |
Observation
| Species: | Gomphosphaeria naegeliana |
| Number: | 1 |
| Original: | Ja |
| Species: | Rhodomonas sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Tabellaria flocculosa |
| Number: | 1 |
| Original: | Ja |