Espostoa lanata subsp. lanata
- =Espostoa laticornua, Descr. Cact. Nov. 1: 35. 1957 ["1956"] syn. sec. Hunt 20062 wfo-0000680875
- =Espostoa procera, Descr. Cact. Nov. 1: 35. 1957 ["1956"] syn. sec. Hunt 20063 wfo-0000680884
- =Espostoa ritteri in Succulenta (Netherlands) 1960: 25. 1960 syn. sec. Hunt 20064 wfo-0000680885