Genus: Synedra
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2003 | 1 | 1 | 1 | 1 |
| 1996 | 1 | 1 | 1 | 1 |
| 1991 | 1 | 1 | 1 | 1 |
| 1990 | 2 | 2 | 2 | 2 |
| 1989 | 3 | 4 | 4 | 5 |
| Totalt alle år | 4 | 9 | 9 | 10 |
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2003 | 1 | 1 | 1 | 1 |
| 1996 | 1 | 1 | 1 | 1 |
| 1991 | 1 | 1 | 1 | 1 |
| 1990 | 2 | 2 | 2 | 2 |
| 1989 | 3 | 4 | 4 | 5 |
| Totalt alle år | 4 | 9 | 9 | 10 |