Spirodela
| Spirodela | |
|---|---|
| Spirodela polyrrhiza | |
| Scientific classification | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Monocots | 
| Order: | Alismatales | 
| Family: | Araceae | 
| Subfamily: | Lemnoideae | 
| Genus: | Spirodela Schleid. 1839 | 
| Synonyms | |
| Landoltia Les & D.J.Crawford | |
Spirodela is a genus of aquatic plants, one of several genera containing plants commonly called duckweed. Spirodela species are members of the Araceae under the APG II system. They were formerly members of the Lemnaceae.