Matucana aurantiaca subsp. polzii (Diers, Donald & Zecher) Mottram in Cactaceae Syst. Init. 14: 17. 2002 sec. Hunt 2016
- ≡Matucana polzii Diers, Donald & Zecher in Kakteen And. Sukk. 37(6): 118. 1986 syn. sec. ???
- Type: Peru, dept. Huánuco, upper Marañón valley, alt. 2100 – 2300 m, 1976, Zecher (KOELN)