Roots absent (in Victoria). Thallus suspended below water surface, except when flowering or fruiting, narrowly ovate to narrowly oblong, 2–8 mm long, thin and translucent greenish; veins not visible, midvein sometimes indistinct; base narrowed to a distinct stalk 1–13 mm long; apex obtuse to obliquely truncate or broadly emarginate and slightly irregular or minutely toothed. Colony made up of generations at 90° to the previous one.
GleP, Brid, VVP, GipP, OtP, WaP, Gold, CVU, GGr, DunT, WPro. SA, Qld, NSW, ACT, Tas. North America, Eurasia, Africa.
Source:
Conn, B.J. (1994). Lemnaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons, pp. 168–173. Inkata Press, Melbourne.