Species list: Haworthiopsis
- Haworthiopsis attenuata (Haw.) G.D.Rowley VU
- Haworthiopsis attenuata (Haw.) G.D.Rowley var. attenuata Not Evaluated
- Haworthiopsis attenuata (Haw.) G.D.Rowley var. glabrata (Salm-Dyck) G.D.Rowley Not Evaluated
- Haworthiopsis attenuata (Haw.) G.D.Rowley var. radula (Jacq.) G.D.Rowley Not Evaluated
- Haworthiopsis bruynsii (M.B.Bayer) G.D.Rowley EN
- Haworthiopsis coarctata (Haw.) G.D.Rowley LC
- Haworthiopsis coarctata (Haw.) G.D.Rowley var. adelaidensis (Poelln.) G.D.Rowley Not Evaluated
- Haworthiopsis coarctata (Haw.) G.D.Rowley var. coarctata Not Evaluated
- Haworthiopsis coarctata (Haw.) G.D.Rowley var. tenuis (G.G.Sm.) G.D.Rowley Not Evaluated
- Haworthiopsis fasciata (Willd.) G.D.Rowley NT
- Haworthiopsis glauca (Baker) G.D.Rowley LC
- Haworthiopsis glauca (Baker) G.D.Rowley var. glauca Not Evaluated
- Haworthiopsis glauca (Baker) G.D.Rowley var. herrei (Poelln.) G.D.Rowley Not Evaluated
- Haworthiopsis granulata (Marloth) G.D.Rowley LC
- Haworthiopsis koelmaniorum (Oberm. & D.S.Hardy) Boatwr. & J.C.Manning VU
- Haworthiopsis koelmaniorum (Oberm. & D.S.Hardy) Boatwr. & J.C.Manning var. koelmaniorum Not Evaluated
- Haworthiopsis koelmaniorum (Oberm. & D.S.Hardy) Boatwr. & J.C.Manning var. mcmurtryi (C.L.Scott) Gildenh. & Klopper Not Evaluated
- Haworthiopsis limifolia (Marloth) G.D.Rowley VU
- Haworthiopsis limifolia (Marloth) G.D.Rowley var. arcana (Gideon F.Sm. & N.R.Crouch) G.D.Rowley Not Evaluated
- Haworthiopsis limifolia (Marloth) G.D.Rowley var. gigantea (M.B.Bayer) G.D.Rowley Not Evaluated
- Haworthiopsis limifolia (Marloth) G.D.Rowley var. glaucophylla (M.B.Bayer) G.D.Rowley Not Evaluated
- Haworthiopsis limifolia (Marloth) G.D.Rowley var. limifolia Not Evaluated
- Haworthiopsis longiana (Poelln.) G.D.Rowley EN
- Haworthiopsis nigra (Haw.) G.D.Rowley LC
- Haworthiopsis nigra (Haw.) G.D.Rowley var. diversifolia (Poelln.) G.D.Rowley Not Evaluated
- Haworthiopsis nigra (Haw.) G.D.Rowley var. elongata (Poelln.) G.D.Rowley Not Evaluated
- Haworthiopsis nigra (Haw.) G.D.Rowley var. nigra Not Evaluated
- Haworthiopsis pungens (M.B.Bayer) Boatwr. & J.C.Manning VU
- Haworthiopsis reinwardtii (Salm-Dyck) G.D.Rowley LC
- Haworthiopsis reinwardtii (Salm-Dyck) G.D.Rowley var. brevicula (G.G.Sm.) G.D.Rowley Not Evaluated
- Haworthiopsis reinwardtii (Salm-Dyck) G.D.Rowley var. reinwardtii Not Evaluated
- Haworthiopsis reinwardtii (Salm-Dyck) G.D.Rowley var. reinwardtii forma chalumnensis Not Evaluated
- Haworthiopsis reinwardtii (Salm-Dyck) G.D.Rowley var. reinwardtii forma kaffirdriftensis Not Evaluated
- Haworthiopsis reinwardtii (Salm-Dyck) G.D.Rowley var. reinwardtii forma olivacea Not Evaluated
- Haworthiopsis reinwardtii (Salm-Dyck) G.D.Rowley var. reinwardtii forma reinwardtii Not Evaluated
- Haworthiopsis scabra (Haw.) G.D.Rowley LC
- Haworthiopsis scabra (Haw.) G.D.Rowley var. lateganiae (Poelln.) G.D.Rowley Not Evaluated
- Haworthiopsis scabra (Haw.) G.D.Rowley var. morrisiae (Poelln.) G.D.Rowley Not Evaluated
- Haworthiopsis scabra (Haw.) G.D.Rowley var. scabra Not Evaluated
- Haworthiopsis scabra (Haw.) G.D.Rowley var. starkiana (Poelln.) G.D.Rowley Not Evaluated
- Haworthiopsis sordida (Haw.) G.D.Rowley NT
- Haworthiopsis sordida (Haw.) G.D.Rowley var. lavranii (C.L.Scott) G.D.Rowley Not Evaluated
- Haworthiopsis sordida (Haw.) G.D.Rowley var. sordida Not Evaluated
- Haworthiopsis tessellata (Haw.) G.D.Rowley var. crousii (M.Hayashi) Gildenh. & Klopper Not Evaluated
- Haworthiopsis tessellata (Haw.) G.D.Rowley var. tessellata Not Evaluated
- Haworthiopsis tessellata (Haw.) Rowley LC
- Haworthiopsis venosa (Lam.) G.D.Rowley VU
- Haworthiopsis viscosa (L.) G.D.Rowley LC
- Haworthiopsis woolleyi (Poelln.) G.D.Rowley CR