Species: Tabellaria flocculosa
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2005 | 1 | 1 | 1 | 1 |
| 1996 | 1 | 6 | 6 | 6 |
| 1994 | 1 | 28 | 28 | 34 |
| 1993 | 1 | 31 | 32 | 38 |
| 1992 | 1 | 1 | 1 | 1 |
| 1991 | 1 | 39 | 37 | 51 |
| 1990 | 1 | 52 | 52 | 105 |
| 1989 | 1 | 49 | 49 | 50 |
| Totalt alle år | 1 | 109 | 106 | 286 |
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2005 | 1 | 1 | 1 | 1 |
| 1996 | 1 | 6 | 6 | 6 |
| 1994 | 1 | 28 | 28 | 34 |
| 1993 | 1 | 31 | 32 | 38 |
| 1992 | 1 | 1 | 1 | 1 |
| 1991 | 1 | 39 | 37 | 51 |
| 1990 | 1 | 52 | 52 | 105 |
| 1989 | 1 | 49 | 49 | 50 |
| Totalt alle år | 1 | 109 | 106 | 286 |