| Zygnema sp. | | 1989-09-20 | 1989-09-20 | Laksådalsvatnet (Nordland, Norway) |
| Zygnema sp. | | 1990-05-30 | 1990-05-30 | Lauvtjønna (Trøndelag, Norway) |
| Zygnema sp. | | 1989-09-04 | 1989-09-04 | Svanevatnet (Rogaland, Norway) |
| Zygnema sp. | | 1989-09-14 | 1989-09-14 | Røldalstjørnet (Vestland, Norway) |
| Zygnema sp. | | 1989-09-13 | 1989-09-13 | Skarvatnet (Møre og Romsdal, Norway) |
| Zygnema sp. | | 1989-09-06 | 1989-09-06 | Longvatnet (Rogaland, Norway) |
| Zygnema sp. | | 1989-09-20 | 1989-09-20 | Spildervatnet (Nordland, Norway) |
| Zygnema sp. | | 1989-09-13 | 1989-09-13 | Reinsvolldammen (Innlandet, Norway) |
| Zygnema sp. | | 1989-09-13 | 1989-09-13 | Litlvatnet (Trøndelag, Norway) |
| Zygnema sp. | | 1989-09-06 | 1989-09-06 | Rossevatn (Rogaland, Norway) |
| Zygnema sp. | | 1989-10-27 | 1989-10-27 | Elgtjern (Trøndelag, Norway) |
| Zygnema sp. | | 1989-09-13 | 1989-09-13 | Skjelbreidvatnet (Vestland, Norway) |
| Zygnema sp. | | 1989-09-01 | 1989-09-01 | Øvre Storfjordvatnet (Nordland, Norway) |
| Zygnema sp. | | 1989-09-27 | 1989-09-27 | Laupen (Innlandet, Norway) |
| Zygnema sp. | | 1990-09-18 | 1990-09-18 | Stokkavatnet (Nordland, Norway) |
| Zygnema sp. | | 1990-06-08 | 1990-06-08 | Myklebustvannet (Møre og Romsdal, Norway) |