Haworthiopsis sampaiana var. broteroana (Resende) Gideon F.Sm. & Vasco Silva variety synonym

Haworthiopsis ×coarctatoides Resende & Viveiros species homotypic synonym

Aloe hybrida subsp. stella Radl subspecies synonym

Haworthiopsis ×broteriana (Resende) Gildenh. & Klopper, 2016 species accepted

Haworthiopsis ×subrigida Gildenh. & Klopper species synonym

Haworthiopsis attenuata (Haw.) Breuer, 2016 species synonym

Haworthiopsis viscosa (L.) Breuer species doubtful

Haworthia glauca f. jonesii (Poelln.) Pilbeam form synonym

Haworthia greenei var. silvicola G.G.Sm. variety synonym

Haworthia greenei f. bakeri Resende form synonym

Aloe rigida KerGawl. species synonym

Aloe radula KerGawl. species synonym

Aloe fasciata (Willd.) Haw. species synonym

Haworthia jonesii Poelln. species synonym

Haworthia greenei f. minor Resende form synonym

Aloe ×hybrida f. serrata Radl form synonym

Haworthia coarctata Haw. species synonym

Catevala coarctata (Haw.) Kuntze species synonym

Haworthia reinwardtii subsp. coarctata (Haw.) Halda subspecies synonym

Aloe coarctata (Haw.) Schult. & Schult.f. species synonym

Haworthia limifolia Marloth species synonym

Haworthia pungens M.B.Bayer species synonym

Haworthia reinwardtii (Salm-Dyck) Haw. species synonym

Aloe reinwardtii Salm-Dyck species synonym

Haworthia reinwardtii var. reinwardtii variety synonym

Catevala reinwardtii (Salm-Dyck) Kuntze species synonym

Haworthia nigra (Haw.) Baker species synonym

Aloe nigra (Haw.) Schult. & Schult.f. species synonym

Catevala nigra (Haw.) Kuntze species synonym

Apicra nigra Haw. species synonym

Haworthia nigra var. nigra variety synonym

Haworthia venosa subsp. nigra (Haw.) Halda subspecies synonym

Haworthia viscosa subsp. nigra (Haw.) Halda subspecies synonym

Haworthia longiana Poelln. species synonym

Haworthia pumila subsp. longiana (Poelln.) Halda subspecies synonym

Haworthia glauca Baker species synonym

Haworthia reinwardtii subsp. glauca (Baker) Halda subspecies synonym

Catevala glauca (Baker) Kuntze species synonym

Haworthia viscosa (L.) Haw. species synonym

Haworthia tortuosa var. pseudorigida (Salm-Dyck) A.Berger variety synonym

Aloe ×tortuosa Haw. species synonym

Haworthia ×curta Haw. species synonym

Aloe ×pseudorigida Salm-Dyck species synonym

Aloe triangularis Lam. species heterotypic synonym

Aloe ×subrigida Schult. & Schult.f. species synonym

Aloe tortuosa var. major Salm-Dyck variety synonym

Haworthia ×tortuosa (Haw.) Haw. species synonym

Haworthia ×subrigida Baker species synonym

Catevala ×subrigida Kuntze species synonym

Haworthia tortuosa var. tortella (Haw.) Baker variety synonym

Apicra ×rigida Willd. species synonym

Haworthia ×tortella Haw. species synonym

Aloe viscosa L. species synonym

Apicra viscosa (L.) Willd. species synonym

Haworthia tortuosa var. major (Salm-Dyck) A.Berger variety synonym

Catevala ×tortuosa (Haw.) Kuntze species synonym

Haworthia ×pseudorigida (Salm-Dyck) Haw. species synonym

Haworthia tortuosa var. curta (Haw.) Baker variety synonym

Catevala viscosa (L.) Kuntze species synonym

Apicra ×pseudorigida (Salm-Dyck) Haw. species synonym

Haworthia sordida Haw. species synonym

Haworthia scabra var. sordida (Haw.) Halda variety synonym

Catevala sordida (Haw.) Kuntze species synonym

Aloe sordida (Haw.) Schult. & Schult.f. species synonym

Haworthia venosa (Lam.) Haw. species synonym

Aloe recurva Haw. species synonym

Aloe anomala Haw. species synonym

Haworthia venosa subsp. recurva (Haw.) M.B.Bayer subspecies synonym

Apicra anomala (Haw.) Willd. species synonym

Catevala recurva (Willd.) Kuntze species synonym

Haworthia venosa var. oertendahlii Hjelmq. variety synonym

Apicra recurva (Haw.) Willd. species synonym

Haworthia distincta N.E.Br. species synonym

Apicra tricolor (Haw.) Willd. species synonym

Haworthia recurva (Willd.) Haw. species synonym

Haworthia venosa subsp. granulata (Marloth) M.B.Bayer subspecies synonym

Haworthia granulata Marloth species synonym

Haworthia scabra subsp. granulata (Marloth) Halda subspecies synonym

Aloe venosa Lam. species synonym

Haworthia venosa subsp. tessellata (Haw.) M.B.Bayer subspecies synonym

Aloe tessellata (Haw.) Schult. & Schult.f. species synonym

Haworthia tessellata Haw. species synonym

Catevala tessellata (Haw.) Kuntze species synonym

Catevala venosa (Lam.) Kuntze species synonym

Haworthia venosa subsp. woolleyi (Poelln.) Halda subspecies synonym

Haworthia woolleyi Poelln. species synonym

Haworthia attenuata (Haw.) Haw. species synonym

Aloe attenuata Haw. species synonym

Apicra attenuata (Haw.) Willd. species synonym

Haworthia attenuata var. attenuata variety synonym

Catevala attenuata (Haw.) Kuntze species synonym

Haworthia pumila subsp. attenuata (Haw.) Halda subspecies synonym

Haworthia fasciata (Willd.) Haw. species synonym

Apicra fasciata Willd. species synonym

Haworthia pumila subsp. fasciata (Willd.) Halda subspecies synonym

Catevala fasciata (Willd.) Kuntze species synonym

Aloe fasciata (Willd.) Salm-Dyck ex Schult. & Schult.f. species synonym

Catevala ×rigida (Haw.) Kuntze species synonym

Catevala ×hybrida (Salm-Dyck) Kuntze species synonym

Haworthia fasciata f. vanstaedensis Poelln. form synonym

Haworthia fasciata f. major (Salm-Dyck) Poelln. form synonym

Haworthia venosa subsp. venosa subspecies synonym

Haworthia limifolia var. limifolia variety synonym

Haworthia glauca var. glauca variety synonym

Haworthia scabra var. scabra variety synonym

Haworthia coarctata var. coarctata variety synonym

Haworthia sordida var. sordida variety synonym

Haworthia ×broteroana Resende species synonym

Aloe ×rigida (Lam.) DC. species heterotypic synonym

Haworthia attenuata var. britteniae Poelln. variety synonym

Haworthia ×rigida var. expansa (Haw.) Baker variety synonym

Haworthiopsis ×coarctatoides Resende & Viveiros ex Gideon F.Sm. & Vasco Silva species accepted

Haworthiopsis henriquesii (Resende) Gideon F.Sm. & Vasco Silva species accepted

Aloe ×hybrida subsp. insignis Radl subspecies synonym

Aloe cylindracea var. rigida Lam. variety synonym

Haworthia venosa var. tessellata (Haw.) Halda variety synonym

Haworthia scabra subsp. sordida (Haw.) Halda subspecies synonym

Haworthia reinwardtii var. glauca (Baker) Halda variety synonym

Haworthia reinwardtii var. coarctata (Haw.) Halda variety synonym

Haworthia ×sampaiana (Resende) Resende species synonym

Haworthia ×rubrobrunnea Poelln. species synonym

Haworthia ×rigida (Lam.) Haw. species synonym

Haworthia ×revendettii Uitewaal species synonym

Aloe ×expansa Haw. species synonym

Apicra ×patula Willd. species synonym

Aloe ×curta (Haw.) Spreng. species synonym

Apicra ×expansa Willd. species synonym

Haworthia ×kewensis Poelln. species synonym

Haworthia ×cassytha Baker species synonym

Haworthia broteriana Resende, 1941 species homotypic synonym

Haworthia ×hybrida (Salm-Dyck) Haw. species synonym

Haworthia henriquesii Resende species synonym

Haworthia attenuata f. britteniae (Poelln.) M.B.Bayer, 1982 form synonym

Aloe ×hybrida Salm-Dyck species synonym

Aloe tricolor Haw. species synonym

Haworthia koelmaniorum Oberm. & D.S.Hardy species synonym

Haworthia limifolia var. koelmaniorum (Oberm. & D.S.Hardy) Halda variety synonym

Haworthia ×tauteae Archibald species synonym

Haworthia bruynsii M.B.Bayer species synonym

Haworthia retusa var. bruynsii (M.B.Bayer) Halda variety synonym

Haworthia scabra Haw. species synonym

Aloe scabra (Haw.) Schult. & Schult.f. species synonym

Catevala scabra (Haw.) Kuntze species synonym

Haworthia sampaiana f. broteroana (Resende) Resende form synonym

Aloe ×rigida (Willd.) Jacq. species heterotypic synonym

Haworthia coarctata var. sampaiana Resende variety synonym

Haworthiopsis reinwardtii (Salm-Dyck) G.D.Rowley species accepted

Haworthiopsis venosa var. woolleyi (Poelln.) Breuer variety synonym

Tulista pungens (M.B.Bayer) G.D.Rowley species synonym

Haworthiopsis bruynsii (M.B.Bayer) G.D.Rowley species accepted

Haworthiopsis ×cassytha (Baker) Gildenh. & Klopper species accepted

Haworthiopsis ×kewensis (Poelln.) Gildenh. & Klopper species accepted

Haworthiopsis ×rigida (Lam.) Gildenh. & Klopper species accepted

Haworthiopsis ×revendettii (Uitewaal) Gildenh. & Klopper species accepted

Tulista viscosa (L.) G.D.Rowley species synonym

Haworthiopsis sordida (Haw.) G.D.Rowley species accepted

Haworthiopsis tessellata (Haw.) G.D.Rowley species accepted

Haworthiopsis ×hybrida (Salm-Dyck) Gildenh. & Klopper species accepted

Haworthiopsis ×curta (Haw.) Gildenh. & Klopper species accepted

Haworthiopsis ×tortuosa (Haw.) Gildenh. & Klopper species accepted

Haworthiopsis tessellata (Haw.) Boatwr. & J.C.Manning species synonym

Haworthiopsis viscosa (L.) Gildenh. & Klopper species accepted

Haworthiopsis ×tauteae (Archibald) Gildenh. & Klopper species accepted

Haworthiopsis attenuata (Haw.) G.D.Rowley species accepted

Haworthiopsis venosa (Lam.) G.D.Rowley species accepted

Haworthiopsis fasciata (Willd.) G.D.Rowley species accepted

Haworthiopsis viscosa (L.) G.D.Rowley species doubtful

Haworthiopsis ×expansa (Haw.) Gildenh. & Klopper species synonym

Haworthiopsis ×lisbonensis (Resende) Gildenh. & Klopper species accepted

Haworthiopsis woolleyi (Poelln.) G.D.Rowley species accepted

Haworthiopsis nigra (Haw.) G.D.Rowley species accepted

Haworthiopsis koelmaniorum (Oberm. & D.S.Hardy) Boatwr. & J.C.Manning species accepted

Haworthia longiana var. albinota G.G.Sm. variety synonym

Haworthiopsis ×tortella (Haw.) Gildenh. & Klopper species accepted

Haworthiopsis limifolia (Marloth) G.D.Rowley species accepted

Haworthiopsis pungens (M.B.Bayer) Boatwr. & J.C.Manning species accepted

Haworthiopsis ×rubrobrunnea (Poelln.) Gildenh. & Klopper species accepted

Haworthiopsis scabra (Haw.) G.D.Rowley species accepted

Haworthiopsis ×broteroana (Resende) Gildenh. & Klopper species synonym

Haworthiopsis granulata (Marloth) G.D.Rowley species accepted

Tulista koelmaniorum (Oberm. & D.S.Hardy) G.D.Rowley species synonym

Haworthiopsis coarctata (Haw.) G.D.Rowley species accepted

Haworthiopsis ×sampaiana (Resende) Gildenh. & Klopper species accepted

Haworthiopsis longiana (Poelln.) G.D.Rowley species accepted

Haworthiopsis ×pseudorigida (Salm-Dyck) Gildenh. & Klopper species accepted

Haworthiopsis glauca (Baker) G.D.Rowley species accepted

Haworthiopsis ×major (Salm-Dyck) Gildenh. & Klopper species accepted

Haworthiopsis reinwardtii var. coarctata (Haw.) Breuer variety synonym

Aloe ×rigida var. expansa (Haw.) Salm-Dyck variety synonym

Haworthia tortuosa (Haw.) Baker species synonym

Haworthia lisbonensis Resende species synonym