Haworthia coarctata Haw. in Philos. Mag. J. 44: 301. 1824 sec. Espejo-Serna & López-Ferrari 2008
- =Aloe coarctata (Haw.) Schult. & Schult. f., Syst. Veg. 7: 647. 1829 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Haworthia chalwinii Marloth & A. Berger in Notizbl. Königl. Bot. Gart. Berlin 4: 247. 1906 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Haworthia fulva G.G. Sm. in J. S. African Bot. 9: 101. 1943 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Haworthia reinwardtii var. chalwinii (Marloth & A. Berger) Resende in Mem. Soc. Brot. 11: 80. 1943 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Haworthia musculina G.G. Sm. in J. S. African Bot. 14: 49. 1948 syn. sec. Espejo-Serna & López-Ferrari 2008