Alisma subcordatum References Alisma subcordatum plant Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: water plantainSome species, including A. subcordatum and A. orientale (sometimes listed as a subspecies of A. plantago-aquatica), have been used as food and in traditional Native American and Chinese medicine. Read MoreSome species, including A. subcordatum and A. orientale (sometimes listed as a subspecies of A. plantago-aquatica), have been used as food and in traditional Native American and Chinese medicine. Read More