Group: Spermatophytina (Spermatophytes)
Family: Hydrocharitaceae (Frogbit family)
Genus: Hydrilla (Hydrilla)
Aquatic plant rooting in the soil, only the flowers protruding out of the water, monoecious or dioecious. inflorescence: flowers solitary or few. flowers: unisexual, ♀‑flowers dissolving from the plant at maturity. ovary: maximal 3 mm long. stem: up to 3 m long, inte...
The colours represent the floristic status of the species in the respective region. Green indicates native occurrences, light green naturalized occurrences. Adventive occurrences are represented by light yellow shades and plants that are cultivated (but rarely occur in the wild) are dark yellow. Grey colours are used, if the floristic status of species is unknown or uncertain.
waters, bogs, sedge-lands
in alkaline, wet habitats