| Hjertetjernaks (Potamogeton perfoliatus) | | 2013-06-11 | 2013-06-05 | Haukvatnet (Trøndelag, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 2005-09-29 | 2005-09-16 | Nordre Skeisvatn (Rogaland, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 2004-09-27 | 2004-09-14 | Storvatnet (Trøndelag, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 2004-09-02 | 2004-09-01 | Harestuvannet (Akershus, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 2004-08-14 | 2004-08-14 | Storvatnet (Trøndelag, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 2004-08-14 | 2004-08-14 | Litjvatnet (Trøndelag, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 2003-09-12 | 2003-09-12 | Fæbydammen (Trøndelag, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1993-06-10 | 1993-06-10 | Bogstadvannet (Oslo, Norway) |  |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1990-09-04 | 1990-09-04 | Harestuvannet (Akershus, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1991-09-01 | 1991-09-01 | Resvatnet (Trøndelag, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1989-09-21 | 1989-09-21 | Semsvannet (Akershus, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1989-09-19 | 1989-09-19 | Vikerauntjønna (Trøndelag, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1989-09-05 | 1989-09-05 | Stavsjø (Innlandet, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1991-09-16 | 1991-09-16 | Årungen (Akershus, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1989-09-14 | 1989-09-14 | Kvitblikkvannet (Nordland, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1989-09-14 | 1989-09-14 | Sillongen (Innlandet, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1989-09-07 | 1989-09-07 | Tornesvatnet (Rogaland, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1989-08-28 | 1989-08-28 | Arkavatnet (Rogaland, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1996-09-09 | 1996-09-09 | Korssjøen (Vestfold, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1991-09-10 | 1991-09-10 | Granavatnet (Trøndelag, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1992-09-08 | 1992-09-08 | Hostadvatnet (Møre og Romsdal, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1992-09-09 | 1992-09-09 | Kvitblikkvannet (Nordland, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1993-09-02 | 1993-09-02 | Kvitblikkvannet (Nordland, Norway) | |
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