Localities: Koltjønna: 28.08.1991
| Reporter: | Fosen videregående skole |
| Site: | Koltjønna () |
| Date: | 1991-08-28 |
| Activity: | Planter i og ved ferskvatn |
Observation
| Species: | Lemna minor |
| Comment: | Vanleg |
| Species: | Equisetum fluviatile |
| Comment: | Vanleg |
| Species: | Comarum palustre |
| Comment: | Sjeldan |
| Species: | Nymphaeaceae indet. |
| Comment: | Vanleg |
| Species: | Common reed (Phragmites australis) |
| Comment: | Vanleg |
| Species: | Potamogeton natans |
| Comment: | Vanleg |