| Tjønnaks (Potamogeton sp.) | | 1989-09-22 | 1989-09-22 | Granavatnet (Trøndelag, Norway) | |
| Busttjernaks (Potamogeton pectinatus) | | 1989-09-22 | 1989-09-22 | Granavatnet (Trøndelag, Norway) |  |
| Grastjernaks (Potamogeton gramineus) | | 1989-09-22 | 1989-09-22 | Granavatnet (Trøndelag, Norway) | |
| Tjønnaks (Potamogeton sp.) | | 1989-09-14 | 1989-09-14 | Lauvtjønna (Trøndelag, 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) | |
| Tjønnaks (Potamogeton sp.) | | 1989-09-19 | 1989-09-19 | Grindheimsvatnet (Agder, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1991-09-01 | 1991-09-01 | Resvatnet (Trøndelag, Norway) | |
| Tjernaks (Potamogeton natans) | | 1991-09-01 | 1991-09-01 | Resvatnet (Trøndelag, Norway) | |
| Tjønnaks (Potamogeton sp.) | | 1990-06-06 | 1990-06-06 | Eikedokktjernet (Buskerud, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-20 | 1989-09-20 | Sagtjernet (Innlandet, Norway) | |
| Tjønnaks (Potamogeton sp.) | | 1989-10-10 | 1989-10-10 | Ibestadvatnet (Troms, Norway) | |
| Tjønnaks (Potamogeton sp.) | | 1989-09-04 | 1989-09-04 | Lianvatnet (Trøndelag, Norway) | |
| Tjønnaks (Potamogeton sp.) | | 1994-06-03 | 1994-06-03 | Opsangervatnet (Vestland, Norway) | |
| Rusttjernaks (Potamogeton alpinus) | | 1993-06-09 | 1993-06-09 | Opsangervatnet (Vestland, Norway) | |
| Rusttjernaks (Potamogeton alpinus) | | 1989-09-25 | 1989-09-25 | Opsangervatnet (Vestland, Norway) | |
| Tjønnaks (Potamogeton sp.) | | 1989-09-25 | 1989-09-25 | Opsangervatnet (Vestland, Norway) | |
| Tjønnaks (Potamogeton sp.) | | 1989-11-07 | 1989-11-07 | Moensvatnet (Vestland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-21 | 1989-09-21 | Svartaholtjørnet (Vestland, Norway) | |
| Tjønnaks (Potamogeton sp.) | | 1990-09-14 | 1990-09-14 | Reiarsvatnet (Rogaland, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1989-09-21 | 1989-09-21 | Semsvannet (Akershus, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-21 | 1989-09-21 | Semsvannet (Akershus, Norway) | |
| Tjønnaks (Potamogeton sp.) | | 1989-09-21 | 1989-09-21 | Midsjøvannet (Akershus, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-19 | 1989-09-19 | Vikerauntjønna (Trøndelag, Norway) | |
| Nøkketjernaks (Potamogeton praelongus) | | 1989-09-19 | 1989-09-19 | Vikerauntjønna (Trøndelag, Norway) | |
| Grastjernaks (Potamogeton gramineus) | | 1989-09-19 | 1989-09-19 | Vikerauntjønna (Trøndelag, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1989-09-19 | 1989-09-19 | Vikerauntjønna (Trøndelag, Norway) | |
| Tjønnaks (Potamogeton sp.) | | 1989-09-13 | 1989-09-13 | Skarvatnet (Møre og Romsdal, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-13 | 1989-09-13 | Skarvatnet (Møre og Romsdal, Norway) | |
| Krustjernaks (Potamogeton crispus) | | 1989-09-07 | 1989-09-07 | Tveitevannet (Vestland, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-07 | 1989-09-07 | Tveitevannet (Vestland, Norway) | |
| Rusttjernaks (Potamogeton alpinus) | | 1994-10-11 | 1994-10-11 | Bergemsvatnet (Møre og Romsdal, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-05 | 1989-09-05 | Stavsjø (Innlandet, Norway) | |
| Blanktjernaks (Potamogeton lucens) | | 1989-09-05 | 1989-09-05 | Stavsjø (Innlandet, Norway) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1989-09-05 | 1989-09-05 | Stavsjø (Innlandet, Norway) | |
| Blanktjernaks (Potamogeton lucens) | | 1989-09-05 | 1989-09-05 | Stavsjø (Innlandet, Norway) | |
| Tjernaks (Potamogeton natans) | | 1989-09-05 | 1989-09-05 | Stavsjø (Innlandet, Norway) | |
| Butt-tjernaks (Potamogeton obtusifolius) | | 1989-09-06 | 1989-09-06 | Longvatnet (Rogaland, 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) | |
| Grastjernaks (Potamogeton gramineus) | | 1989-09-21 | 1989-09-21 | Ljøgodttjern (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) | |
| Hjertetjernaks (Potamogeton perfoliatus) | | 1991-09-16 | 1991-09-16 | Årungen (Akershus, Norway) | |
| Tjernaks (Potamogeton natans) | | 1991-09-16 | 1991-09-16 | Årungen (Akershus, Norway) | |
| Nøkketjernaks (Potamogeton praelongus) | | 1989-09-20 | 1989-09-20 | Spildervatnet (Nordland, 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) | |
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