Localities: Korssjøen: 12.09.1990
| Reporter: | Holmestrand videregående skole |
| Site: | Korssjøen () |
| Date: | 1990-09-12 |
| Activity: | Planter i og ved ferskvatn |
Observation
| Species: | Birch (Betula) |
| Comment: | Vanleg |
| Species: | Lobelia dortmanna |
| Comment: | Vanleg |
| Species: | Pine (Pinus) |
| Comment: | Vanleg |
| Species: | Spruce (Picea) |
| Comment: | Vanleg |
| Species: | Isoëtes echinospora |
| Comment: | Vanleg |
| Species: | Aspen (Populus tremula) |
| Comment: | Vanleg |
| Species: | Rowan (Sorbus aucuparia) |
| Comment: | Sjeldan |
| Species: | Heather (Calluna vulgaris) |
| Comment: | Sjeldan |
| Species: | Isoëtes lacustris |
| Comment: | Vanleg |
| Species: | Common reed (Phragmites australis) |
| Comment: | Vanleg |
| Species: | Potamogeton natans |
| Comment: | Vanleg |
| Species: | Salix sp. |
| Comment: | Vanleg |