Genus: Anabaena
| Species | Artsinfo | Localities | Observations | Last observation |
|---|
| Anabaena sp. | | 54 | 108 | 2005-08-30 |
| Anabaena cf. flos-aquae | | 13 | 25 | 1996-08-30 |
| Anabaena cf. solitaria | | 11 | 16 | 1994-09-07 |
| Anabaena flos-aquae | | 5 | 8 | 1994-09-28 |
| Anabaena cf. spiroides | | 5 | 6 | 1993-09-16 |
| Anabaena affinis | | 5 | 5 | 1994-09-28 |
| Anabaena lemmermannii | | 4 | 4 | 1994-09-28 |
| Anabaena cf. circinalis | | 3 | 3 | 1990-08-15 |
| Anabaena circinalis | | 3 | 3 | 1991-09-25 |
| Anabaena solitaria | | 3 | 3 | 1994-09-13 |
| Anabaena spp. | | 2 | 2 | 1991-08-28 |
| Anabaena spiroides | | 1 | 2 | 1990-09-17 |
| Anabaena cf. affinis | | 1 | 2 | 1990-09-25 |