Aridaria quaterna L.Bolus, Notes Mesembryanthemum 2: 337. 1932
Aridaria quaterna, Notes Mesembryanthemum 2: 337. 1932
is basionym for Nycteranthus quaternus in Kakteen And. Sukk. 3: 51. 1952
is basionym for Sphalmanthus quaternus in Jacobsen, Sukkulent. Lex.: 513. 1970