Astrophytum capricorne. 

Astrophytum capricorne 'Stachellos' 

Astrophytum capricorne v. major.

Astrophytum capricorne v minor. USDA 9-10. Hardy to 20° F. Full sun to part shade. Solitary columnar or globose cactus, up to 4' tall, 4" in diameter. Moderate water in summer, little to no water in winter.  3" flowers are yellow with a red center. Origin: Northern Mexico.

Astrophytum capricorne var. crassispinum. Coahuila: 41 km W Cuatro Cienegas. Stem dark green to blue-green with or without scattered white flecks and with stout black spines.

Astrophytum crassispinoides. 

Astrophytum crassispinum. 

Astrophytum hybrids. Capricorne / myriostigma / ornatum / senile. All hybrid mix. 

Astrophytum myriostigma.  

Astrophytum myriostigma CV Kikko (Japan, Onzuka)           

Astrophytum myriostigma CV Kikko cultivars

Astrophytum myriostigma cv Onzuka (Japan, Onzuka)

Astrophytum myriostigma Frosted 

 Astrophytum myriostigma V baldunum CV Kikko & Fukeryo  (Mixed cultivars)

Astrophytum myriostigma v. columnare (Syn: Astrophytum
 columnaris, Astrophytum columnare)