Synonyms
Haworthia helmiae Poelln.
Haworthia aristata var. helmiae (Poelln.) Pilbeam
Haworthia aristata subsp. helmiae (Poelln.) Halda
Haworthia unicolor var. helmiae (Poelln.) M.B.Bayer
Haworthia unicolor var. venteri (Poelln.) M.B.Bayer
Haworthia scottii Breuer
Haworthia nigrata M.Hayashi
Haworthia setata var. nigricans Haw.
Haworthia venteri Poelln.