Genus: Skogsivaksslekta (Scirpus)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2024 | 1 | 1 | 1 | 1 |
| 2013 | 1 | 1 | 1 | 1 |
| 2010 | 2 | 2 | 1 | 3 |
| 2008 | 1 | 1 | 1 | 1 |
| 2004 | 1 | 1 | 1 | 1 |
| 1999 | 1 | 1 | 1 | 2 |
| 1992 | 2 | 2 | 2 | 2 |
| 1991 | 1 | 1 | 1 | 1 |
| 1990 | 2 | 2 | 2 | 2 |
| 1989 | 3 | 7 | 8 | 10 |
| Totalt alle år | 3 | 18 | 18 | 24 |
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Responsible editor: Doris Jorde