| Name | Anabaena circinalis f. suhriana (Kützing) Rabenhorst |
| Authorship | (Kützing) Rabenhorst |
| Rank | Forma |
| Placed in | Anabaena circinalis Rabenhorst |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Anabaena circinalis f. suhriana (Kützing) Rabenhorst |
| Identification made in | [no date] (1) |