Aridaria pentagona var. occidentalis L.Bolus, Notes Mesembryanthemum 2: 357. 1932
Aridaria pentagona var. occidentalis, Notes Mesembryanthemum 2: 357. 1932
is basionym for Sphalmanthus pentagonus var. occidentalis in Jacobsen, Sukkulent. Lex.: 513. 1970
is basionym for Nycteranthus pentagonus var. occidentalis in Kakteen And. Sukk. 3: 51. 1952