Genus: Pediastrum
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2003 | 1 | 1 | 1 | 1 |
| 1998 | 1 | 1 | 1 | 1 |
| 1996 | 1 | 5 | 5 | 5 |
| 1994 | 5 | 10 | 10 | 11 |
| 1993 | 4 | 10 | 10 | 12 |
| 1992 | 2 | 1 | 1 | 2 |
| 1991 | 6 | 17 | 17 | 21 |
| 1990 | 7 | 19 | 20 | 45 |
| 1989 | 4 | 10 | 11 | 14 |
| Totalt alle år | 13 | 45 | 47 | 112 |
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2003 | 1 | 1 | 1 | 1 |
| 1998 | 1 | 1 | 1 | 1 |
| 1996 | 1 | 5 | 5 | 5 |
| 1994 | 5 | 10 | 10 | 11 |
| 1993 | 4 | 10 | 10 | 12 |
| 1992 | 2 | 1 | 1 | 2 |
| 1991 | 6 | 17 | 17 | 21 |
| 1990 | 7 | 19 | 20 | 45 |
| 1989 | 4 | 10 | 11 | 14 |
| Totalt alle år | 13 | 45 | 47 | 112 |