Mesembryanthemum bicorne Sond., Fl. Cap. 2: 434. 1862 Mesembryanthemum bicorne Sond., Fl. Cap. 2: 434. 1862is basionym for Psilocaulon bicorne (Sond.) Schwantes in Gartenflora 77: 69. 1928Taxon for this nameMesembryanthemum bicorne Sond., Fl. Cap. 2: 434. 1862