Template:Keats & Chamberlain, 1994
- Keats, D.W. & Chamberlain, Y.M. 1994. Three species of Hydrolithon (Rhodophyta, Corallinaceae): Hydrolithon onkodes (Heydrich) Penrose and Woelkerling, Hydrolithon superficiale sp. nov., and H. samoënse (Foslie) comb. nov. from South Africa. South African Journal of Botany 60: 8–21, 54 figs.