| Tjernaks (Potamogeton natans) | | 1989-09-14 | 1989-09-14 | Kvitblikkvannet (Nordland, Norway) |  |
| Tjernaks (Potamogeton natans) | | 1989-09-14 | 1989-09-14 | Sillongen (Innlandet, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-08-31 | 1989-08-31 | Raudsjøen (Trøndelag, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-14 | 1989-09-14 | Oltervatnet (Nordland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-06 | 1989-09-06 | Korssjøen (Vestfold, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-15 | 1989-09-15 | Elgtjern (Trøndelag, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-07 | 1989-09-07 | Tornesvatnet (Rogaland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-08-28 | 1989-08-28 | Arkavatnet (Rogaland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1994-09-14 | 1994-09-14 | Liavatnet (Vestland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-07 | 1989-09-07 | Åstveitvannet (Vestland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-06 | 1989-09-06 | Hjørungdalsvatnet (Møre og Romsdal, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-27 | 1989-09-27 | Laupen (Innlandet, Norway) | |
| Tjernaks (Potamogeton natans) | | 2000-06-15 | 2000-06-07 | Gårdsdam - Hvam vgs. (Akershus, Norway) | |
| Tjernaks (Potamogeton natans) | | 1991-08-28 | 1991-08-28 | Kruktjønna (Trøndelag, Norway) | |
| Tjernaks (Potamogeton natans) | | 1991-09-16 | 1991-09-16 | Reiarsvatnet (Rogaland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1990-09-18 | 1990-09-18 | Hostadvatnet (Møre og Romsdal, Norway) | |
| Tjernaks (Potamogeton natans) | | 1991-08-28 | 1991-08-28 | Koltjønna (Trøndelag, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-01 | 1989-09-01 | Kolbjørnviksjøen (Østfold, Norway) | |
| Tjernaks (Potamogeton natans) | | 1992-09-09 | 1992-09-09 | Kvitblikkvannet (Nordland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1990-09-04 | 1990-09-04 | Kvitblikkvannet (Nordland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1991-09-25 | 1991-09-25 | Kvitblikkvannet (Nordland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1993-09-02 | 1993-09-02 | Kvitblikkvannet (Nordland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1990-09-12 | 1990-09-12 | Korssjøen (Vestfold, Norway) | |
| Tjernaks (Potamogeton natans) | | 1993-09-09 | 1993-09-09 | Korssjøen (Vestfold, Norway) | |
| Tjernaks (Potamogeton natans) | | 1990-09-18 | 1990-09-18 | Skjelbreidvatnet (Vestland, Norway) | |
| Tjernaks (Potamogeton natans) | | 2000-09-21 | 2000-09-08 | Krussætertjern (Østfold, Norway) | |
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