| Pediastrum duplex | | 1993-09-16 | 1993-09-16 | Akersvannet (Vestfold, Norway) |  |
| Pediastrum duplex | | 1989-09-15 | 1989-09-15 | Akersvannet (Vestfold, Norway) | |
| Pediastrum duplex | | 1991-06-10 | 1991-06-10 | Prestvatn (Agder, Norway) | |
| Pediastrum duplex | | 1989-08-29 | 1989-08-29 | Jarenvannet (Innlandet, Norway) | |
| Pediastrum duplex | | 1992-09-23 | 1992-09-23 | Midsjøvannet (Akershus, Norway) | |
| Pediastrum duplex | | 1990-06-07 | 1990-06-07 | Vålåsjøen (Innlandet, Norway) | |
| Pediastrum duplex | | 1989-09-07 | 1989-09-07 | Dælivannet (Akershus, Norway) | |
| Pediastrum duplex | | 1993-08-30 | 1993-08-30 | Ljøgodttjern (Akershus, Norway) | |
| Pediastrum duplex | | 1989-09-21 | 1989-09-21 | Ljøgodttjern (Akershus, Norway) | |
| Pediastrum duplex | | 1994-06-18 | 1994-06-18 | Hammervatnet (Trøndelag, Norway) | |
| Pediastrum duplex | | 1990-06-11 | 1990-06-11 | Hammervatnet (Trøndelag, Norway) | |
| Pediastrum duplex | | 1990-06-11 | 1990-06-11 | Hammervatnet (Trøndelag, Norway) | |
| Pediastrum duplex | | 1994-09-08 | 1994-09-08 | Årungen (Akershus, Norway) | |
| Pediastrum duplex | | 1993-09-20 | 1993-09-20 | Årungen (Akershus, Norway) | |
| Pediastrum duplex | | 1990-09-17 | 1990-09-17 | Årungen (Akershus, Norway) | |
| Pediastrum duplex | | 1990-06-15 | 1990-06-15 | Årungen (Akershus, Norway) | |
| Pediastrum duplex | | 1989-09-13 | 1989-09-13 | Akersvannet (Vestfold, Norway) | |
| Pediastrum duplex | | 1991-09-13 | 1991-09-13 | Tornesvatnet (Rogaland, Norway) | |
| Pediastrum duplex | | 1990-06-07 | 1990-06-07 | Tornesvatnet (Rogaland, Norway) | |