Subspecies, varieties, forms and cultivars of plants belonging to the Eriosyce rhodentiophila group

• Eriosyce atacamensis (F.Ritter & Y.Itô)
• Eriosyce megacarpa F.Ritter: Differs for larger larger fruit. Distribution: south of Chañaral.
• Eriosyce rodentiophila F.Ritter: is a solitary (never clustered) barrel shaped cactus, with stem apex covered by white wool. Spines thick, curved upwards, dull ivory to horn coloured, becoming grey. Distribution: north of Taltal south to below Chanaral.
• Eriosyce rodentiophila subs. fleischeriana (Kníže): is very similar to the standard species and not easily separable by any important character from the other rodentiophila. Distribution: Cifuncho.
• Eriosyce rodentiophila var. lanata F.Ritter: Areoles more woolly. Fruit slightly smaller, yellow or orange, not red. Seed slightly smaller. Distribution: between Cifuncho Esmeralda and along the coast.