| Tusenblad (Myriophyllum alterniflorum) | | 1989-09-14 | 1989-09-14 | Oltervatnet (Nordland, Norway) |  |
| Tusenblad (Myriophyllum alterniflorum) | | 1989-09-07 | 1989-09-07 | Tornesvatnet (Rogaland, Norway) | |
| Tusenblad (Myriophyllum alterniflorum) | | 1989-08-28 | 1989-08-28 | Arkavatnet (Rogaland, Norway) | |
| Tusenblad (Myriophyllum alterniflorum) | | 1989-09-01 | 1989-09-01 | Øvre Storfjordvatnet (Nordland, Norway) | |
| Tusenblad (Myriophyllum alterniflorum) | | 1989-09-18 | 1989-09-18 | Bergvikvatnet (Nordland, Norway) | |
| Tusenblad (Myriophyllum alterniflorum) | | 2000-04-12 | 2000-04-12 | Krussætertjern (Østfold, Norway) | |
| Tusenblad (Myriophyllum alterniflorum) | | 1997-09-16 | 1997-09-16 | Ulfsbakktjønn (Vestfold, Norway) | |
| Tusenblad (Myriophyllum alterniflorum) | | 1997-09-04 | 1997-09-04 | Granavatnet (Trøndelag, Norway) | |
| Tusenblad (Myriophyllum alterniflorum) | | 1996-09-25 | 1996-09-25 | Ulfsbakktjønn (Vestfold, Norway) | |
| Tusenblad (Myriophyllum alterniflorum) | | 1990-06-07 | 1990-06-07 | Tussvatnet (Nordland, Norway) | |
| Tusenblad (Myriophyllum alterniflorum) | | 1992-09-09 | 1992-09-09 | Kvitblikkvannet (Nordland, Norway) | |
| Tusenblad (Myriophyllum alterniflorum) | | 1990-09-04 | 1990-09-04 | Kvitblikkvannet (Nordland, Norway) | |
| Tusenblad (Myriophyllum alterniflorum) | | 1993-09-02 | 1993-09-02 | Kvitblikkvannet (Nordland, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education