Callitriche japonica

Callitriche japonica is a member of the Plantaginaceae family, commonly known as the plantain family. It is distributed across various parts of Asia, including China Southeast, East Himalaya, Japan, Jawa, Korea, Nansei-shoto, Taiwan, Thailand, and TW. The species was formally described in 1868 by Engelm. ex Hegelm. This aquatic or semi-aquatic plant is part of the genus Callitriche, which includes small herbaceous plants often found in wet habitats. Its geographic range suggests a preference for temperate to tropical climates with suitable moisture conditions.