Avonia (E. Mey. ex Fenzl) G.D. Rowley, Linnaea, 16. (1842) 41, 1994

Avonia albissima (Marloth) G.D. Rowley, Bradleya, 12: 111 (prepr. 4 July):, 1994

Avonia dinteri (Schinz) G.D. Rowley, Bradleya, 12: 111 (prepr. 4 July):, 1994

Avonia herreana (Poelln.) G.D. Rowley, Bradleya, 12: 111 (prepr. 4 July):, 1994

Avonia mallei G. Williamson, Cact. Succ. J. (U. S. A.), 67 (2): 104:, 1995

Avonia papyracea (E. Mey. ex Fenzl) G.D. Rowley, Bradleya, 12: 111 (prepr. 4 July):, 1994

Avonia papyracea ssp. namaensis (M. Gerbaulet) G.D. Rowley, Bradleya, 12: 111 (prepr. 4 July):, 1994

Avonia prominens (G. Will.) G. Williamson, Brit. Cact. Succ. J., 15 (4): 208:, 1997

Avonia quinaria (E. Mey. ex Fenzl) G.D. Rowley, Bradleya, 12: 111 (prepr. 4 July):, 1994

Avonia quinaria ssp. alstonii (Schönland) G.D. Rowley, Bradleya, 12: 111 (prepr. 4 July):, 1994

Avonia recurvata (Schönland) G.D. Rowley, Bradleya, 12: 112 (prepr. 4 July):, 1994

Avonia recurvata ssp. buderiana (Poelln.) G. Williamson, Aloe, 35 (1): 22:, 1998

Avonia recurvata ssp. minuta (M. Gerbaulet) G.D. Rowley, Bradleya, 12: 112 (prepr. 4 July):, 1994

Avonia rhodesica (N.E. Brown) G.D. Rowley, Bradleya, 12: 112 (prepr. 4 July):, 1994

Avonia ruschii (Dinter & Poelln.) G.D. Rowley, Bradleya, 12: 112 (prepr. 4 July):, 1994

Avonia ustulata (E. Mey. ex Fenzl) G.D. Rowley, Bradleya, 12: 112 (prepr. 4 July):, 1994

Avonia variabilis (Poelln.) G. Williamson, Aloe, 35 (1): 19:, 1998