Tephrocactus (from Greek tephra, "ash", referring to the color of these plants' epidermis) is a genus of the cactus family (Cactaceae). Species Species of the genus Tephrocactus according to Plants of the World Online as of October 2025:

Image Scientific name Distribution Tephrocactus abditus Argentina (Salta) Tephrocactus alexanderi Argentina. Tephrocactus aoracanthus Argentina. Tephrocactus articulatus Argentina. Tephrocactus bonnieae Argentina (Catamarca)Tephrocactus molinensis Argentina (Salta) Tephrocactus nigrispinus Argentina, Bolivia, Chile Tephrocactus recurvatus Argentina (San Juan) Tephrocactus verschaffeltii Argentina, Bolivia Tephrocactus weberi Argentina (Salta).

References

Bibliography G. G. Leyton-Boyce et J. Illiff : The subgenus Tephrocactus (of the genus Opuntia), Morden, 1973

External links photos on www.cactiguide.com