Maihueniopsis minuta Neotype: Argentina, Catamarca, dept. Tinogasta, Valle Chaschuil, 69 km on route 45 from Fiambala towards Paso de San Francisco, alt. 3050 – 3150 m, 18 Feb 1994, B. E. Leuenberger & al. 4234 (B) Isoneotype: Argentina, Catamarca, dept. Tinogasta, Valle Chaschuil, 69 km on route 45 from Fiambala towards Paso de San Francisco, alt. 3050 – 3150 m, 18 Feb 1994, B. E. Leuenberger & al. 4234 (CORD) Isoneotype: Argentina, Catamarca, dept. Tinogasta, Valle Chaschuil, 69 km on route 45 from Fiambala towards Paso de San Francisco, alt. 3050 – 3150 m, 18 Feb 1994, B. E. Leuenberger & al. 4234 (ZSS)