| Tjernaks (Potamogeton natans) | | 2011-10-13 | 2011-09-15 | skraperudtjern (Oslo, Norway) | |
| Tjernaks (Potamogeton natans) | | 2009-05-28 | 2009-05-28 | Helsetvatnet (Møre og Romsdal, Norway) | |
| Tjernaks (Potamogeton natans) | | 2008-06-02 | 2008-05-28 | Helsetvatnet (Møre og Romsdal, Norway) |  |
| Tjernaks (Potamogeton natans) | | 2008-05-29 | 2008-05-28 | Helsetvatnet (Møre og Romsdal, Norway) | |
| Tjernaks (Potamogeton natans) | | 2005-08-23 | 2005-08-23 | Helsetvatnet (Møre og Romsdal, Norway) | |
| Tjernaks (Potamogeton natans) | | 2005-08-22 | 2005-08-21 | Tranevatnet (Vestland, Norway) | |
| Tjernaks (Potamogeton natans) | | 2004-09-06 | 2004-09-06 | Helsetvatnet (Møre og Romsdal, Norway) | |
| Tjernaks (Potamogeton natans) | | 2004-09-02 | 2004-09-01 | Harestuvannet (Akershus, Norway) | |
| Tjernaks (Potamogeton natans) | | 2004-08-14 | 2004-08-14 | Storvatnet (Trøndelag, Norway) | |
| Tjernaks (Potamogeton natans) | | 2003-09-16 | 2003-09-16 | Helsetvatnet (Møre og Romsdal, Norway) | |
| Tjernaks (Potamogeton natans) | | 2003-06-11 | 2003-06-11 | Fæbydammen (Trøndelag, Norway) | |
| Tjernaks (Potamogeton natans) | | 2002-03-12 | 2001-08-24 | Odderøya (Agder, Norway) | |
| Tjernaks (Potamogeton natans) | | 2001-09-26 | 2001-08-30 | Gjerdsetvatnet (Møre og Romsdal, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-27 | 1989-09-27 | Tretjønnet (Agder, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-19 | 1989-09-19 | Liavatnet (Trøndelag, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-15 | 1989-09-15 | Akersvannet (Vestfold, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-08 | 1989-09-08 | Stordammen (Akershus, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-04 | 1989-09-04 | Molbekktjernet (Østfold, Norway) | |
| Tjernaks (Potamogeton natans) | | 1995-10-18 | 1995-10-18 | Stølevannet (Vestland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1994-11-25 | 1994-11-25 | Ørsjøen (Innlandet, Norway) | |
| Tjernaks (Potamogeton natans) | | 1994-11-23 | 1994-11-23 | Håskjoldtjern (Møre og Romsdal, Norway) | |
| Tjernaks (Potamogeton natans) | | 1990-09-04 | 1990-09-04 | Harestuvannet (Akershus, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-08-29 | 1989-08-29 | Jarenvannet (Innlandet, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-19 | 1989-09-19 | Seljebøvatnet (Møre og Romsdal, Norway) | |
| Tjernaks (Potamogeton natans) | | 1991-09-01 | 1991-09-01 | Resvatnet (Trøndelag, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-20 | 1989-09-20 | Sagtjernet (Innlandet, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-21 | 1989-09-21 | Svartaholtjørnet (Vestland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-21 | 1989-09-21 | Semsvannet (Akershus, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-19 | 1989-09-19 | Vikerauntjønna (Trøndelag, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-13 | 1989-09-13 | Skarvatnet (Møre og Romsdal, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-07 | 1989-09-07 | Tveitevannet (Vestland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-05 | 1989-09-05 | Stavsjø (Innlandet, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-05 | 1989-09-05 | Stavsjø (Innlandet, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-26 | 1989-09-26 | Storavatnet (Vestland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1990-08-28 | 1990-08-28 | Østernvannet (Akershus, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-08-04 | 1989-08-04 | Dælivannet (Akershus, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-21 | 1989-09-21 | Ljøgodttjern (Akershus, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-10-08 | 1989-10-08 | Hammervatnet (Trøndelag, Norway) | |
| Tjernaks (Potamogeton natans) | | 1990-08-28 | 1990-08-28 | Koltjønna (Trøndelag, Norway) | |
| Tjernaks (Potamogeton natans) | | 1991-09-16 | 1991-09-16 | Årungen (Akershus, Norway) | |
| Tjernaks (Potamogeton natans) | | 1990-09-07 | 1990-09-07 | Storvannet (Nordland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1990-09-25 | 1990-09-25 | Kolbotnvannet (Akershus, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-14 | 1989-09-14 | Tussvatnet (Nordland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-15 | 1989-09-15 | Nøklevann (Oslo, Norway) | |
| Tjernaks (Potamogeton natans) | | 1994-09-05 | 1994-09-05 | Nøklevann (Oslo, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-05 | 1989-09-05 | Nøklevann (Oslo, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-05 | 1989-09-05 | Haukvatnet (Trøndelag, Norway) | |
| Tjernaks (Potamogeton natans) | | 1994-05-27 | 1994-05-27 | Ledengstjern (Østfold, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-01 | 1989-09-01 | Kolbjørnviksjøen (Østfold, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-06 | 1989-09-06 | Rossevatn (Rogaland, Norway) | |