Family: Hydrophyllaceae Synonym:Hydrolea inermis Lour. Bengali/Vernacular name: Kasschara, Ishalanguli, Kalchra, Bisha-languli, Pani agra, Jirunika. Tribal name:...

Family: Apiaceae Synonym:Hydrocotyle rotundifolia Roxb. ex DC. Bengali/Vernacular name: Gimashak. Tribal name: Kutithankuni (Hajong).

Family: Euphorbiaceae Synonym:Adelia neriifolia B.Heyne ex Roth Bengali/Vernacular name:Painna vedaka, Jamynerei. English name: Water-willow.

Family: Malvaceae Synonym:Hibiscus fraternus L. Bengali/Vernacular name: Lalmesta, Mesta, Patoa, Chukair (Bengali); Kharapatsa, (Chittagong); Chuaiy (Noakhali).

Family: Convolvulaceae Synonym:Convolvulus malabaricus L., Hewittia bicolor Wight & Arn. Bengali/Vernacular name:Hiwet. Tribal name: Tallun-payn (Chak).