Nycteranthus quaternus (L.Bolus) Schwantes in Kakteen And. Sukk. 3: 51. 1952 Nycteranthus quaternus (L.Bolus) Schwantes in Kakteen And. Sukk. 3: 51. 1952is new combination for Aridaria quaterna L.Bolus, Notes Mesembryanthemum 2: 337. 1932Taxon for this nameNycteranthus quaternus (L.Bolus) Schwantes