Astrophytum asterias 'Super Kabuto' (N) Cactus but I haven't found them

but I haven't found them particularly difficult to grow under regular Lithops care

While it clumps heavily

but the caudex could get sunburn in harsh summer sun

Billbergia vittata cv

Like Ocotillos

Astrophytum asterias 'Super Kabuto' (N) Cactus but I haven't found themAstrophytum asterias 'Super Kabuto' Family: Cactaceae. The Japenese Sea Urchin cactus. One of the most attractive forms of Astrophytum. This cultivar is like the normal Sea Urchin cactus but with a much patterning of white flecks. This patterning is different on every plant. Makes beautiful yellow or red flowers in summer. Fairly easy to care for, except it can be fussy about overwatering especially in winter. Surprisingly, it is less rot prone than