Heteromorpha trifoliata (H.L.Wendl.) Eckl. & Zeyh. (Apiaceae) is native to Angola, Botswana, Burundi, Cape Provinces, Eritrea, Eswatini, Ethiopia, Free State, Kenya, KwaZulu-Natal, Lesotho, Malawi, Mozambique, Northern Provinces, Rwanda, Sudan-South Sudan, Tanzania, Uganda, Yemen, Zambia, Zimbabwe. Flora of the World documents 2 occurrences across 1 country.
