| Mystacides longicornis | | 23.06.1992 | 23.06.1992 | Hammervatnet (Levanger, Trøndelag) |  |
| Cyclops scutifer | | 23.06.1992 | 23.06.1992 | Hammervatnet (Levanger, Trøndelag) | |
| Remskivesnegl (Bathyomphalus contortus) | | 23.06.1992 | 23.06.1992 | Hammervatnet (Levanger, Trøndelag) | |
| Agabus sp. | | 23.06.1992 | 23.06.1992 | Hammervatnet (Levanger, Trøndelag) | |
| Corixidae indet. | | 23.06.1992 | 23.06.1992 | Hammervatnet (Levanger, Trøndelag) | |
| Ribbesnegl (Armiger crista) | | 23.06.1992 | 23.06.1992 | Hammervatnet (Levanger, Trøndelag) | |
| Ertemusling (Pisidium sp.) | | 23.06.1992 | 23.06.1992 | Hammervatnet (Levanger, Trøndelag) | |
| Flat ferskvannsgjellesnegl (Valvata cristata) | | 23.06.1992 | 23.06.1992 | Hammervatnet (Levanger, Trøndelag) | |
| Simocephalus vetulus | | 23.06.1992 | 23.06.1992 | Hammervatnet (Levanger, Trøndelag) | |
| Callicorixa praeusta | | 17.10.1991 | 17.10.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Enallagma cyathigerum | | 17.10.1991 | 17.10.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Hesperocorixa sahlbergi | | 17.10.1991 | 17.10.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Sigara dorsalis | | 17.10.1991 | 17.10.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Synura sp. | | 07.10.1991 | 07.10.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Tabellaria flocculosa | | 07.10.1991 | 07.10.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Peridinium sp. | | 07.10.1991 | 07.10.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Katablepharis ovalis | | 07.10.1991 | 07.10.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Microcystis sp. | | 07.10.1991 | 07.10.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Staurastrum sp. | | 07.10.1991 | 07.10.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Oscillatoria sp. | | 07.10.1991 | 07.10.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Gomphosphaeria cf. lacustris | | 07.10.1991 | 07.10.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Mallomonas sp. | | 07.10.1991 | 07.10.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Rhodomonas lacustris | | 07.10.1991 | 07.10.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Cricotopus sp. | | 07.10.1991 | 07.10.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Cloeon dipterum | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Chironomus sp. | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Dicrotendipes lobiger | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Dinobryon crenulatum | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Microcystis sp. | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Tabellaria flocculosa | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Psectrocladius sp. | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Polypedilum sp. | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Psectrocladius sp. | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Psectrocladius sordidellus gr. | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Paratanytarsus penicillatus | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Tanytarsus sp. | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Ankistrodesmus sp. | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Ankistrodesmus falcatus | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Dinobryon sociale | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Rhodomonas lacustris | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Scenedesmus sp. | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Dinobryon bavaricum | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Cosmarium sp. | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Mallomonas sp. | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Synura sp. | | 18.06.1991 | 18.06.1991 | Hammervatnet (Levanger, Trøndelag) | |
| Closterium sp. | | 11.09.1990 | 11.09.1990 | Hammervatnet (Levanger, Trøndelag) | |
| Spondylosium sp. | | 11.09.1990 | 11.09.1990 | Hammervatnet (Levanger, Trøndelag) | |
| Cyclotella sp. | | 11.09.1990 | 11.09.1990 | Hammervatnet (Levanger, Trøndelag) | |
| Bitrichia chodatii | | 11.09.1990 | 11.09.1990 | Hammervatnet (Levanger, Trøndelag) | |
| Fragilaria crotonensis | | 11.09.1990 | 11.09.1990 | Hammervatnet (Levanger, Trøndelag) | |
