Localities: Lauvtjønna: 24.05.1991
| Reporter: | Malvik videregående skole |
| Site: | Lauvtjønna () |
| Date: | 1991-05-24 |
| Activity: | VANDA: Planteplankton |
Observation
| Species: | Ankistrodesmus falcatus |
| Number: | 1 |
| Original: | Ja |
| Species: | Cosmarium sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Dinobryon crenulatum |
| Number: | 1 |
| Original: | Ja |
| Species: | Mallomonas sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Melosira sp. |
| Number: | 1 |
| Original: | Ja |
| Species: | Tabellaria flocculosa |
| Number: | 1 |
| Original: | Ja |