Genus: Ankistrodesmus
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 1996 | 1 | 3 | 3 | 3 |
| 1994 | 3 | 7 | 6 | 8 |
| 1993 | 3 | 4 | 4 | 5 |
| 1991 | 3 | 20 | 20 | 25 |
| 1990 | 8 | 28 | 27 | 53 |
| 1989 | 7 | 22 | 22 | 24 |
| Totalt alle år | 10 | 52 | 52 | 118 |
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Responsible editor: Doris Jorde