Alismataceae
| Alismataceae Temporal range:  | |
|---|---|
| Sagittaria latifolia | |
| Scientific classification | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Monocots | 
| Order: | Alismatales | 
| Family: | Alismataceae Vent. | 
| Type genus | |
| Alisma | |
| Genera | |
| See text | |
| Alismataceae distribution map | |
| Synonyms | |
The water-plantains (Alismataceae) are a family of flowering plants, comprising 20 genera (17 extant and 3 fossil) and 119 species. The family has a cosmopolitan distribution, with the greatest number of species in temperate regions of the Northern Hemisphere. Most of the species are herbaceous aquatic plants growing in marshes and ponds.