| Lemanea | |
|---|---|
| |
| Lemanea sp. in Polish mountain stream | |
Scientific classification 
| |
| Clade: | Archaeplastida |
| Division: | Rhodophyta |
| Class: | Florideophyceae |
| Order: | Batrachospermales |
| Family: | Lemaneaceae |
| Genus: | Lemanea Sirodot, non Bory |
Lemanea is a genus of freshwater red algae, in the order Batrachospermales. Both species are considered to be widespread in the northern hemisphere. Although placed in the Rhodophyta (red algae) it in fact is green in colour.