Rhynchospora gracillima , Enum. Pl. Zeyl. [Thwaites], 435., 1864
Type: Sri Lanka, South of Island, Thwaites Ceylon Plant 3818 (G, P, SING).
Habit: Herb.
Distribution: Andaman & Nicobar Islands, Andhra Pradesh, Assam, Meghalaya, Tamil Nadu [Asia: Indonesia, Papua New Guinea, Sri Lanka, Thailand; Africa: Benin, Burkina, Cameroon, Ghana, Guinea, Ivory Coast, KwaZulu-Natal, Liberia, Madagascar, Mali, Nigeria, Senegal, Swaziland, Tanzania, Togo, Uganda, Zaire, Zambia, Zimbabwe; Australasia].