| Myriophyllum alterniflorum | | 2013-06-11 | 2013-06-05 | | Haukvatnet (Trøndelag, Norway) | |
| Myriophyllum alterniflorum | | 2011-10-13 | 2011-09-15 | | skraperudtjern (Oslo, Norway) | |
| Myriophyllum alterniflorum | | 2009-05-28 | 2009-05-28 |  | Helsetvatnet (Møre og Romsdal, Norway) | |
| Myriophyllum alterniflorum | | 2008-06-02 | 2008-05-28 | | Helsetvatnet (Møre og Romsdal, Norway) |  |
| Myriophyllum alterniflorum | | 2008-05-29 | 2008-05-28 | | Helsetvatnet (Møre og Romsdal, Norway) | |
| Myriophyllum alterniflorum | | 2007-06-04 | 2007-05-25 | | Helsetvatnet (Møre og Romsdal, Norway) | |
| Myriophyllum alterniflorum | | 2005-09-29 | 2005-09-16 | | Nordre Skeisvatn (Rogaland, Norway) | |
| Myriophyllum alterniflorum | | 2005-08-23 | 2005-08-23 | | Helsetvatnet (Møre og Romsdal, Norway) | |
| Myriophyllum alterniflorum | | 2004-09-06 | 2004-09-06 | | Helsetvatnet (Møre og Romsdal, Norway) | |
| Myriophyllum alterniflorum | | 2004-08-14 | 2004-08-14 | | Storvatnet (Trøndelag, Norway) | |
| Myriophyllum alterniflorum | | 2004-08-14 | 2004-08-14 | | Litjvatnet (Trøndelag, Norway) | |
| Myriophyllum alterniflorum | | 2003-09-16 | 2003-09-16 | | Helsetvatnet (Møre og Romsdal, Norway) | |
| Myriophyllum alterniflorum | | 2002-03-12 | 2001-08-24 | | Odderøya (Agder, Norway) | |
| Myriophyllum alterniflorum | | 2001-09-26 | 2001-08-30 | | Gjerdsetvatnet (Møre og Romsdal, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-19 | 1989-09-19 | | Liavatnet (Trøndelag, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-14 | 1989-09-14 | | Laksådalsvatnet (Nordland, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-08 | 1989-09-08 | | Stordammen (Akershus, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-29 | 1989-09-29 | | Fetvatnet (Møre og Romsdal, Norway) | |
| Myriophyllum alterniflorum | | 1994-06-06 | 1994-06-06 | | Bogstadvannet (Oslo, Norway) | |
| Myriophyllum alterniflorum | | 1993-06-10 | 1993-06-10 | | Bogstadvannet (Oslo, Norway) | |
| Myriophyllum alterniflorum | | 1994-11-24 | 1994-11-24 | | Floen (Vestland, Norway) | |
| Myriophyllum alterniflorum | | 1990-09-04 | 1990-09-04 | | Harestuvannet (Akershus, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-07 | 1989-09-07 | | Sundkilen (Telemark, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-13 | 1989-09-13 | | Stokkevannet (Telemark, Norway) | |
| Myriophyllum alterniflorum | | 1989-08-30 | 1989-08-30 | | Mannslagervatnet (Nordland, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-14 | 1989-09-14 | | Lauvtjønna (Trøndelag, Norway) | |
| Myriophyllum alterniflorum | | 1990-09-22 | 1990-09-22 | | Madsvannet (Nordland, Norway) | |
| Myriophyllum alterniflorum | | 1990-09-04 | 1990-09-04 | | Svartåstjern (Buskerud, Norway) | |
| Myriophyllum alterniflorum | | 1991-09-01 | 1991-09-01 | | Resvatnet (Trøndelag, Norway) | |
| Myriophyllum alterniflorum | | 1990-06-06 | 1990-06-06 | | Eikedokktjernet (Buskerud, Norway) | |
| Myriophyllum alterniflorum | | 1989-10-10 | 1989-10-10 | | Ibestadvatnet (Troms, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-04 | 1989-09-04 | | Lianvatnet (Trøndelag, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-25 | 1989-09-25 | | Opsangervatnet (Vestland, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-19 | 1989-09-19 | | Vikerauntjønna (Trøndelag, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-13 | 1989-09-13 | | Skarvatnet (Møre og Romsdal, Norway) | |
| Myriophyllum alterniflorum | | 1994-10-11 | 1994-10-11 | | Bergemsvatnet (Møre og Romsdal, Norway) | |
| Myriophyllum alterniflorum | | 1990-09-25 | 1990-09-25 | | Myklavatnet (Vestland, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-26 | 1989-09-26 | | Storavatnet (Vestland, Norway) | |
| Myriophyllum alterniflorum | | 1989-10-08 | 1989-10-08 | | Hammervatnet (Trøndelag, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-20 | 1989-09-20 | | Spildervatnet (Nordland, Norway) | |
| Myriophyllum alterniflorum | | 1990-09-07 | 1990-09-07 | | Storvannet (Nordland, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-14 | 1989-09-14 | | Tussvatnet (Nordland, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-15 | 1989-09-15 | | Nøklevann (Oslo, Norway) | |
| Myriophyllum alterniflorum | | 1994-09-05 | 1994-09-05 | | Nøklevann (Oslo, Norway) | |
| Myriophyllum alterniflorum | | 1989-10-04 | 1989-10-04 | | Nøklevann (Oslo, Norway) | |
| Myriophyllum alterniflorum | | 1994-11-25 | 1994-11-25 | | Mosvatnet (Rogaland, Norway) | |
| Myriophyllum alterniflorum | | 1994-05-27 | 1994-05-27 | | Ledengstjern (Østfold, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-13 | 1989-09-13 | | Reinsvolldammen (Innlandet, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-14 | 1989-09-14 | | Kvitblikkvannet (Nordland, Norway) | |
| Myriophyllum alterniflorum | | 1989-09-14 | 1989-09-14 | | Oltervatnet (Nordland, Norway) | |