| Sivaks (Scirpus sp.) | | 2013-06-07 | 2013-06-06 | Nitelva ved Smedstusvingen (Akershus, Norway) |
| Sivaks (Scirpus sp.) | | 2010-06-14 | 2010-06-11 | Ertsmyran 2 (Agder, Norway) |
| Sivaks (Scirpus sp.) | | 2008-06-02 | 2008-05-28 | Helsetvatnet (Møre og Romsdal, Norway) |
| Sivaks (Scirpus sp.) | | 2004-08-14 | 2004-08-14 | Storvatnet (Trøndelag, Norway) |
| Sivaks (Scirpus sp.) | | 1991-09-11 | 1991-09-11 | Frøylandsvatnet (Rogaland, Norway) |
| Sivaks (Scirpus sp.) | | 1990-08-28 | 1990-08-28 | Koltjønna (Trøndelag, Norway) |
| Sivaks (Scirpus sp.) | | 1989-09-06 | 1989-09-06 | Rossevatn (Rogaland, Norway) |
| Sivaks (Scirpus sp.) | | 1989-09-06 | 1989-09-06 | Hjørungdalsvatnet (Møre og Romsdal, Norway) |
| Sivaks (Scirpus sp.) | | 1999-12-07 | 1999-09-13 | Lisselva (Trøndelag, Norway) |
| Sivaks (Scirpus sp.) | | 1999-12-07 | 1999-09-13 | Lisselva (Trøndelag, Norway) |