Echinopsis graciliflora Cárdenas in Revista Agric. (Cochabamba) 10: 10–11. 1958
Echinopsis graciliflora in Revista Agric. (Cochabamba) 10: 10–11. 1958
Lectotype (designated by Hunt, D.R. & Taylor, N. P. 2006: 71): Bolivia, Santa Cruz, Florida, near La Negra, alt. 900 m, Mar 1949, A. Corro in Cárdenas 5497 (LIL, not found)
Type: [icon] photograph in Cárdenas in Revista Agric. (Cochabamba) p. 10 (top left). 1958