| Cicuta virosa | | 2013-06-11 | 2013-06-05 | Haukvatnet (Trøndelag, Norway) | |
| Cicuta virosa | | 2006-08-30 | 2006-08-24 | Rudolf Steinerskolen Holtebrekk (Akershus, Norway) | |
| Cicuta virosa | | 2004-10-22 | 2004-09-13 | Meitjenn (Telemark, Norway) | |
| Cicuta virosa | | 2003-09-12 | 2003-09-12 | Fæbydammen (Trøndelag, Norway) | |
| Cicuta virosa | | 2003-06-11 | 2003-06-11 | Fæbydammen (Trøndelag, Norway) | |
| Cicuta virosa | | 2002-05-31 | 2002-05-30 | Sæbyvannet (Østfold, Norway) | |
| Cicuta virosa | | 1989-09-21 | 1989-09-21 | Stensrudtjern (Oslo, Norway) |  |
| Cicuta virosa | | 1989-08-29 | 1989-08-29 | Jarenvannet (Innlandet, Norway) | |
| Cicuta virosa | | 1989-09-21 | 1989-09-21 | Midsjøvannet (Akershus, Norway) | |
| Cicuta virosa | | 1991-09-16 | 1991-09-16 | Årungen (Akershus, Norway) | |
| Cicuta virosa | | 1989-09-18 | 1989-09-18 | Årungen (Akershus, Norway) | |
| Cicuta virosa | | 1994-09-05 | 1994-09-05 | Nøklevann (Oslo, Norway) | |
| Cicuta virosa | | 1989-10-04 | 1989-10-04 | Nøklevann (Oslo, Norway) | |
| Cicuta virosa | | 1994-05-27 | 1994-05-27 | Ledengstjern (Østfold, Norway) | |
| Cicuta virosa | | 1989-09-14 | 1989-09-14 | Kjemsjøen (Innlandet, Norway) | |
| Cicuta virosa | | 1989-09-14 | 1989-09-14 | Kjemsjøen (Innlandet, Norway) | |
| Cicuta virosa | | 1989-09-28 | 1989-09-28 | Husavatnet (Vestland, Norway) | |