Avonia ustulata (E.Mey. ex Fenzl) G.D.Rowley in Bradleya 12: 112. 1994 Avonia ustulata (E.Mey. ex Fenzl) G.D.Rowley in Bradleya 12: 112. 1994is new combination for Anacampseros ustulata E.Mey. ex Sond., Fl. Cap. 2: 383. 1862Taxon for this nameAvonia ustulata (E.Mey. ex Fenzl) G.D.Rowley