| Grastjernaks (Potamogeton gramineus) | | 2005-11-10 | 2005-11-10 | Gjerstadvannet (Agder, Norway) | |
| Grastjernaks (Potamogeton gramineus) | | 1989-09-22 | 1989-09-22 | Granavatnet (Trøndelag, Norway) |  |
| Grastjernaks (Potamogeton gramineus) | | 1989-09-19 | 1989-09-19 | Vikerauntjønna (Trøndelag, Norway) | |
| Grastjernaks (Potamogeton gramineus) | | 1989-09-21 | 1989-09-21 | Ljøgodttjern (Akershus, Norway) | |
| Grastjernaks (Potamogeton gramineus) | | 1989-09-05 | 1989-09-05 | Mosvatnet (Rogaland, Norway) | |
| Grastjernaks (Potamogeton gramineus) | | 1994-05-27 | 1994-05-27 | Ledengstjern (Østfold, Norway) | |
| Grastjernaks (Potamogeton gramineus) | | 1989-09-06 | 1989-09-06 | Rossevatn (Rogaland, Norway) | |
| Grastjernaks (Potamogeton gramineus) | | 1989-09-07 | 1989-09-07 | Tornesvatnet (Rogaland, Norway) | |
| Grastjernaks (Potamogeton gramineus) | | 1989-09-01 | 1989-09-01 | Øvre Storfjordvatnet (Nordland, Norway) | |
| Grastjernaks (Potamogeton gramineus) | | 1997-09-04 | 1997-09-04 | Granavatnet (Trøndelag, Norway) | |
| Grastjernaks (Potamogeton gramineus) | | 1993-08-31 | 1993-08-31 | Granavatnet (Trøndelag, Norway) | |
| Grastjernaks (Potamogeton gramineus) | | 1994-06-10 | 1994-06-10 | Spildervatnet (Nordland, Norway) | |
| Grastjernaks (Potamogeton gramineus) | | 1991-09-25 | 1991-09-25 | Kvitblikkvannet (Nordland, Norway) | |
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