Triandrophyllum is a genus of leafy liverworts. In Tasmania, Triandrophyllum is represented by a single species, T. subtrifidum.

T. subtrifidum is an uncommon liverwort with very few collections in Tasmania. They are found in on rock in very wet places near running water. The leaves are incubously inserted onto the stem are variably three lobed and two lobed along the stem. The underleaves are two lobed and almost as large as the stem leaves. The leaf surface has distinct striolations.