ArctothecaArctotheca is a small genus of flowering plants in the family Asteraceae. They are annuals or perennials native to southern Africa. It is becoming an invasive weed in other parts of the world.SpeciesThe following is a list of the accepted species and their native countries: Arctotheca calendula — Cape Provinces, Free State, KwaZulu-Natal, Lesotho Arctotheca forbesiana — Cape Provinces Arctotheca marginata — Northern Cape Arctotheca populifolia — Cape Provinces, KwaZulu-Natal, Mozambique Arctotheca prostrata — Cape Provinces, Namibia