| Asphodelaceae | |
Haworthia truncata fo. crassa
| Poelln. | Repert. Spec. Nov. Regni Veg. 44: 239 | 1938 |
| Asphodelaceae | |
Haworthia truncata var. maughanii
| (Poelln.) Halda | Acta Mus. Richnov., Sect. Nat. 4(2): 51 | 1997 |
| Asphodelaceae | |
Haworthia truncata var. minor
| Breuer | Avonia 21: 59 | 2003 |
| Asphodelaceae | ** |
Haworthia truncata fo. normalis
| Poelln. | Repert. Spec. Nov. Regni Veg. 44: 239 | 1938 |
| Asphodelaceae | |
Haworthia truncata fo. tenuis
| Poelln. | Repert. Spec. Nov. Regni Veg. 44: 239 | 1938 |
| Asphodelaceae | |
Haworthia truncata var. tenuis
| (Poelln.) M.B. Bayer | Haworthia Handb. 161 | 1976 |
| Asphodelaceae | |
Haworthia truncata var. truncata
| | | |