Haworthia beanii G.G.Sm. species synonym

Haworthia viscosa var. minor Haw. variety synonym

Haworthia viscosa var. viridissima G.G.Sm. variety synonym

Haworthia subtortuosa Sweet species synonym

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

Haworthia viscosa var. indurata (Haw.) Baker variety synonym

Haworthia cordifolia Haw. species synonym

Aloe rigida Ker Gawl. species heterotypic synonym

Haworthia viscosa var. torquata (Haw.) Baker variety synonym

Haworthia viscosa f. asperiuscula (Haw.) Pilbeam form synonym

Haworthia viscosa var. cougaensis G.G.Sm. variety synonym

Haworthia asperiuscula var. subintegra G.G.Sm. variety synonym

Haworthia viscosa f. subobtusa (Poelln.) Pilbeam form synonym

Haworthia viscosa var. concinna (Haw.) Baker variety synonym

Haworthia asperiuscula var. patagiata G.G.Sm. variety synonym

Catevala asperiuscula (Haw.) Kuntze species synonym

Apicra tortuosa Willd. species synonym

Haworthia viscosa var. quaggaensis G.G.Sm. variety synonym

Catevala cordifolia (Haw.) Kuntze species synonym

Haworthia asperiuscula Haw. species synonym

Haworthia viscosa var. caespitosa Poelln. variety synonym

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

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

Haworthia pseudotortuosa Haw. species synonym

Haworthia torquata Haw. species synonym

Haworthia concinna Haw. species synonym

Haworthia beanii var. minor G.G.Sm. variety synonym

Haworthia viscosa var. pseudotortuosa (Salm-Dyck) Baker variety synonym

Haworthia viscosa subsp. derekii-clarkii Halda subspecies synonym

Haworthia viscosa var. major Haw. variety synonym

Aloe pseudotortuosa Salm-Dyck species synonym

Haworthia viscosa var. parvifolia Haw. variety synonym

Haworthia indurata Haw. species synonym

Haworthia viscosa var. variabilis Breuer variety synonym

Aloe subtortuosa Schult. & Schult.f. species synonym

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

Haworthia viscosa f. beanii (G.G.Sm.) Pilbeam form synonym

Aloe viscosa var. indurata (Haw.) Salm-Dyck variety synonym

Haworthia variabilis (Breuer) Breuer species synonym

Haworthia viscosa var. subobtusa Poelln. variety synonym

Haworthia viscosa f. torquata (Haw.) Pilbeam form synonym

Haworthia viscosa f. pseudotortuosa (Salm-Dyck) Pilbeam form synonym

Aloe concinna (Haw.) Schult. & Schult.f. species heterotypic synonym

Haworthiopsis viscosa var. asperiuscula (Haw.) Breuer variety synonym

Aloe triangularis Medik. species heterotypic synonym

Haworthiopsis viscosa var. variabilis (Breuer) Gildenh. & Klopper variety accepted

Haworthiopsis viscosa var. viscosa variety accepted

Haworthiopsis viscosa var. beanii (G.G.Sm.) Breuer variety synonym

Haworthiopsis variabilis (Breuer) Zonn. species synonym