Mesembryanthemum ringens L., Sp. Pl.: 487. 1753 Mesembryanthemum ringens L., Sp. Pl.: 487. 1753is basionym for Carruanthus ringens (L.) Boom in Succulenta (Netherlands) 1959: 142. 1959Taxon for this nameMesembryanthemum ringens L.