Species: Branched Bur-reed (Sparganium erectum)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2004 | 1 | 2 | 2 | 2 |
| 1994 | 1 | 1 | 1 | 1 |
| 1991 | 1 | 1 | 1 | 1 |
| 1990 | 1 | 2 | 2 | 2 |
| 1989 | 1 | 11 | 11 | 12 |
| Totalt alle år | 1 | 17 | 17 | 18 |
Sustain.no is provided by the Norwegian Centre for Science Education
Responsible editor: Doris Jorde