| Lemna minor | | 1995-06-08 | 1995-06-08 | Laksådalsvatnet (Nordland, Norway) |  |
| Lemna minor | | 1989-09-14 | 1989-09-14 | Laksådalsvatnet (Nordland, Norway) | |
| Lemna minor | | 1989-09-15 | 1989-09-15 | Akersvannet (Vestfold, Norway) | |
| Lemna minor | | 1994-11-23 | 1994-11-23 | Øksnevadtjørna (Rogaland, Norway) | |
| Lemna minor | | 1989-09-22 | 1989-09-22 | Granavatnet (Trøndelag, Norway) | |
| Lemna minor | | 1989-09-25 | 1989-09-25 | Opsangervatnet (Vestland, Norway) | |
| Lemna minor | | 1989-09-21 | 1989-09-21 | Midsjøvannet (Akershus, Norway) | |
| Lemna minor | | 1989-09-13 | 1989-09-13 | Hauskjevatnet (Rogaland, Norway) | |
| Lemna minor | | 1989-08-04 | 1989-08-04 | Dælivannet (Akershus, Norway) | |
| Lemna minor | | 1989-09-21 | 1989-09-21 | Ljøgodttjern (Akershus, Norway) | |
| Lemna minor | | 1989-10-08 | 1989-10-08 | Hammervatnet (Trøndelag, Norway) | |
| Lemna minor | | 1992-08-27 | 1992-08-27 | Koltjønna (Trøndelag, Norway) | |
| Lemna minor | | 1990-08-28 | 1990-08-28 | Koltjønna (Trøndelag, Norway) | |
| Lemna minor | | 1989-09-05 | 1989-09-05 | Mosvatnet (Rogaland, Norway) | |
| Lemna minor | | 1994-11-25 | 1994-11-25 | Mosvatnet (Rogaland, Norway) | |
| Lemna minor | | 1994-05-27 | 1994-05-27 | Ledengstjern (Østfold, Norway) | |
| Lemna minor | | 1989-09-07 | 1989-09-07 | Tornesvatnet (Rogaland, Norway) | |
| Lemna minor | | 1989-08-28 | 1989-08-28 | Arkavatnet (Rogaland, Norway) | |
| Lemna minor | | 1994-09-14 | 1994-09-14 | Liavatnet (Vestland, Norway) | |
| Lemna minor | | 1989-08-31 | 1989-08-31 | Langavatnet (Vestland, Norway) | |
| Lemna minor | | 1989-09-06 | 1989-09-06 | Hjørungdalsvatnet (Møre og Romsdal, Norway) | |
| Lemna minor | | 2000-04-12 | 2000-04-12 | Krussætertjern (Østfold, Norway) | |
| Lemna minor | | 1991-08-28 | 1991-08-28 | Koltjønna (Trøndelag, Norway) | |