Subspecies, varieties, forms and cultivars of plants belonging to the Tephrocactus articulatus group

• Tephrocactus andicolus (Pfeiff.) Lem.
• Tephrocactus articulatus (Pfeiff.) Backeb.: Small branching shrublet. Segments, fragile, subglobose to short cylindrical, sometimes like a string of beads. Spines 1-4, or absent, flattened, flexible, up to 10 cm long and 4 mm wide or more.
• Tephrocactus articulatus var. diadematus f. inermis hort.: Cool looking pine-cone-like plant without spines and irritating glochids. The segment generally grow longer and narrower than the standard Tephrocactus articulatus.
• Tephrocactus articulatus var. ovatus (Pfeiff.) Backeb.
• Tephrocactus articulatus var. papyracanthus (tubercled type) hort.: Has raised conical tubercles.
• Tephrocactus articulatus var. papyracanthus (Phil.) Backeb.: has broad, raffia like, conspicuous, flattened spines which are not spines but thin ribbon like processes, and vary much as to their colour, markings, and length.
• Tephrocactus articulatus var. strobiliformis (A.Berger): Spineless form with grey-green pine-cone shaped segments that turns pink in bright light.
• Tephrocactus articulatus var. syringacanthus (Pfeiff.) Backeb.
• Tephrocactus turpinii (Lem.) Lem.