Mitrophyllum latibracteatum f. ferum (L.Bolus) de Boer ex H.Jacobsen, Sukkulent. Lex.: 469. 1970
Mitrophyllum latibracteatum f. ferum, Sukkulent. Lex.: 469. 1970
is new combination for Conophyllum latibracteatum f. ferum, Notes Mesembryanthemum 3: 246. 1954