Isoglossa

The native range of this genus is Tropical & Subtropical Old World.

Native to:
Angola, Assam, Burundi, Cambodia, Cameroon, Cape Provinces, China South-Central, China Southeast, Comoros, DR Congo, East Himalaya, Eswatini, Ethiopia, Free State, Guinea, Gulf of Guinea Is., Jawa, Kenya, KwaZulu-Natal, Lesotho, Lesser Sunda Is., Madagascar, Malawi, Malaya, Mozambique, New South Wales, Nigeria, Northern Provinces, Rwanda, Sierra Leone, Somalia, Sudan-South Sudan, Sulawesi, Tanzania, Thailand, Tibet, Uganda, Vietnam, Yemen, Zambia, Zimbabwe