Hortus Botanicus Leiden, Netherlands

Common name: Wortelloos kroos, Spotless watermeal, rootless duckweed

Family: Araceae (Arum family)

Distribution: Europa, Africa, Asia

Habitat: Waterways

Life form: Aquatic

Comments: This plant is the smallest vascular plant of Europa. This species is classified in the aroid familie (Araceae), which also contains familiar representatives like the common houseplant Monstera, or the group of penisplants (Amorphophallus).