≡Plinthus arenarius Adamsonin J. S. African Bot. 27: 149. 1961 syn. sec. APD 2007+1 wfo-0000393014
1.APD 2007+: African Plant Database (version 4.0.0). – Conservatoire et Jardin botaniques de la Ville de Genève & South African National Biodiversity Institute, Pretoria – https://africanplantdatabase.ch/en.