Subspecies, varieties, forms and cultivars of plants belonging to the Echinopsis famatimensis group

• Echinopsis bonnieae (Halda, Hogan & Janeba) Halda & Malina: it is related to Echinopsis famatimensis, but distinguished from it by the narrow neck that separates the tuberous roots from the stem an for the tall cylindrical stem.
• Echinopsis bonnieae f. aurata hort.: Mutant completely lacking chlorophyll pigment. The result is a completely yellow plant.
• Echinopsis famatimensis (Speg.) Werderm.: (a.k.a. Reicheocactus pseudoriecheanus) The stems are small flattened to roundish with very short reddish-brown spidery-pectinate spines and egg-yellow flowers.
• Echinopsis famatimensis var. variegata hort.: variegated form.
• Lobivia famatimensis var. jachalensis Rausch: has short paler creamy white radial spines. Distribution: Jachal, San Juan, Argentina.
• Lobivia famatimensis var. sanjuanensis Rausch