| Sea lettuce (Ulva lactuca) | | 60 | 222 | 82 | 2024-08-08 |
| Sea grass (Ulva intestinalis) | | 60 | 167 | 49 | 2023-06-02 |
| Oocystis sp. | | 56 | 92 | | 2004-09-01 |
| Vanlig grønndusk (Cladophora rupestris) | | 51 | 154 | 57 | 2022-09-19 |
| Staurastrum sp. | | 43 | 98 | | 1996-09-25 |
| Scenedesmus sp. | | 34 | 66 | | 2005-08-30 |
| Ankistrodesmus sp. | | 30 | 49 | | 1996-10-17 |
| Crucigenia tetrapedia | | 29 | 43 | | 1994-10-04 |
| Pediastrum boryanum | | 27 | 58 | | 1996-10-17 |
| Cosmarium sp. | | 27 | 47 | | 1996-10-17 |
| Ankistrodesmus falcatus | | 26 | 46 | | 1994-09-22 |
| Closterium sp. | | 26 | 37 | | 2005-08-30 |
| Oedogonium sp. | | 24 | 24 | | 1990-05-28 |
| Sphaerocystis sp. | | 22 | 29 | | 1996-09-25 |
| Monoraphidium sp. | | 22 | 28 | | 1994-09-20 |
| Sponge seaweed (Codium fragile) | | 21 | 85 | 37 | 2023-06-02 |
| Selenastrum sp. | | 21 | 23 | | 1994-11-01 |
| Grønnalger (Chlorophyceae indet.) | | 20 | 39 | 1 | 2024-04-30 |
| Elakatothrix sp. | | 20 | 26 | | 1994-09-05 |
| Monoraphidium contortum | | 19 | 27 | | 1994-09-28 |
| Spirogyra sp. | | 19 | 23 | | 2005-08-30 |
| Quadrigula cf. korchikovii | | 17 | 20 | | 1993-09-09 |
| Monoraphidium griffithii | | 17 | 17 | | 1992-10-12 |
| Zygnema sp. | | 16 | 16 | | 1990-09-18 |
| Closterium kuetzingii | | 15 | 24 | | 1996-09-06 |
| Oocystis spp. | | 15 | 20 | | 1994-09-05 |
| Spondylosium planum | | 14 | 23 | | 1994-09-16 |
| Elakatothrix cf. genevensis | | 14 | 17 | | 1997-11-05 |
| Euastrum sp. | | 13 | 22 | | 1996-09-25 |
| Scenedesmus quadricauda | | 13 | 19 | | 1994-09-20 |
| Spondylosium sp. | | 12 | 21 | | 1996-10-17 |
| Gyromitus cordiformis | | 12 | 14 | | 1994-09-05 |
| Scenedesmus spp. | | 12 | 12 | | 1990-09-28 |
| Staurodesmus sp. | | 11 | 19 | | 1994-09-22 |
| Pediastrum sp. | | 11 | 16 | | 1993-10-04 |
| Pediastrum duplex | | 10 | 19 | | 1994-09-08 |
| Mougeotia sp. | | 10 | 12 | | 1990-08-30 |
| Monoraphidium minutum | | 10 | 10 | | 1993-09-29 |
| Staurodesmus cf. triangularis | | 9 | 12 | | 1994-09-16 |
| Eudorina sp. | | 9 | 12 | | 1996-10-17 |
| Elakatothrix genevensis | | 9 | 9 | | 1994-09-16 |
| Koliella spp. | | 8 | 9 | | 1993-06-09 |
| Quadrigula closterioides | | 8 | 8 | | 1993-09-06 |
| Scenedesmus arcuatus | | 7 | 13 | | 1994-09-12 |
| Pandorina sp. | | 7 | 12 | | 2005-08-30 |
| Xanthidium sp. | | 7 | 11 | | 1993-09-17 |
| Dictyosphaerium sp. | | 7 | 9 | | 1996-09-16 |
| Micrasterias radiosa | | 7 | 8 | | 1996-09-17 |
| Quadrigula sp. | | 7 | 8 | | 1991-10-14 |
| Monoraphidium setiforme | | 7 | 7 | | 1993-10-04 |