Site: Imetjønn
| Species | Scientific name | 1989 | 1990 | 1994 |
|---|---|---|---|---|
| Aeshna sp. | 1 | |||
| Batrachospermum sp. | 1 | |||
| Coenagrion sp. hastulatum gr. | 1 | |||
| Cosmarium cf. blyttii | 1 | |||
| Cyclops sp. | 1 | |||
| Peridinium cf. inconspicuum | 1 | |||
| Procladius sp. | 1 | |||
| Quadrigula cf. korchikovii | 1 | |||
| Tanytarsus sp. | 1 | |||
| Buttsnutefrosk | Rana temporaria | 1 | ||
| Cloeon dipterum | 1 | |||
| Conochilus unicornis | 1 | |||
| Crucigenia tetrapedia | 1 | |||
| Cryptomonas marssonii | 1 | |||
| Elvesnelle | Equisetum fluviatile | 1 | ||
| Flaskestarr | Carex rostrata | 1 | ||
| Gelékreps | Holopedium gibberum | 1 | ||
| Hoppekreps | Eudiaptomus gracilis | 1 | ||
| White Water-lily | Nymphaea alba | 1 | ||
| Kellicottia longispina | 1 | |||
| Leptophlebia vespertina | 1 | |||
| Leucorrhinia dubia | 1 | |||
| Lyssiv | Juncus effusus | 1 | ||
| Merismopedia tenuissima | 1 | |||
| Monoraphidium griffithii | 1 | |||
| Nemoura cinerea | 2 | |||
| Phryganea grandis | 1 | |||
| Quadrigula closterioides | 1 | |||
| Retrocorixa semistriata | 1 | |||
| Scenedesmus incrassatus | 1 | |||
| Svart høstlibelle | Sympetrum danae | 1 | 1 | |
| Emerald Damselfly | Lestes sponsa | 1 |
