| Name | Microcystis flos-aquae (Wittrock) Kirchner |
| Authorship | (Wittrock) Kirchner |
| Rank | Species |
| Placed in | Microcystis Lemmermann |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Microcystis flos-aquae (Wittrock) Kirchner |
| Identification made in | [no date] (2) |