Helminthostachys zeylanica (L.) Hook. (Tropical & Subtropical Asia to W. Pacific: Assam, Bangladesh, Bismarck Archipelago, Borneo, Cambodia, Caroline Is., China South-Central, China Southeast, East Himalaya, Hainan, India, Laos, Lesser Sunda Is., Malaya, Maluku, Marianas, Myanmar, Nansei-shoto, Nepal, New Caledonia, New Guinea, Nicobar Is., Northern Territory, Philippines, Queensland, Santa Cruz Is., Solomon Is., Sri Lanka, Sulawesi, Sumatera, Taiwan, Thailand, Vanuatu, Vietnam, West Himalaya, Western Australia as per POWO)
