Tephrocactus alexanderi var. bruchii is generally included within (as a synonym of) Tephrocactus alexanderi, suggesting that there is not really a fundamental difference between the two, and hard to name accurately without knowing where they come from, and there remains a considerable confusion surrounding the true identity of this this plant.
Plant is currently growing in 3.5 inch pot.
U.S. SHIPPING ONLY Plants ship bare root, pot/soil not included