Gleichenia polypodioides (L.) Sm., commonly known as
coral fern,
kystervaring ('kyster' meaning 'coastal' and of possible Scandinavian derivation) or
ystervaring (meaning 'iron fern' in Afrikaans) due of its glabrous, brown, wiry stipes. The species is widespread in south- and east tropical Africa, southern Africa and the western Indian Ocean region. It occurs naturally in a broad coastal belt in South Africa, Lesotho, Swaziland, Angola, Malawi, Burundi, Tanzani
(Wikipedia)