Subspecies, varieties, forms and cultivars of plants belonging to the Astrophytum capricorne group

• Astrophytum capricorne F.A.C.Weber in Bois: Solitary globose or columnar cactus with long, curled and spines that looks like goat's horns.
• Astrophytum capricorne var. aureum Megata: The spines are golden yellow when young, but as they age become greyish like in the other capricorne.
• Astrophytum capricorne var. crassispinum nudum (H.Moeller) Y.Itô: The stems is larger bright green and almost bare (lack white dots). Spines arestriking strong and up to 8.5 cm long, flat, black to brown, or (occasionally white or yellow) in the youth, later grey-chalky.
• Astrophytum capricorne var. crassispinum (H.Moeller) Y.Okomura: Beautiful variety with striking strong flat and large spines up to 8.5 cm long. It is very similar to Astrophytum capricorne var niveum (and the differences between this variety is questionable)
• Astrophytum capricorne var. crassispinum f. cristata hort.: crested form with strong, long, flat and large spines.
• Astrophytum capricorne var. crassispinum cv. Hooks: This is a rare form with spines ending with a hook.
• Astrophytum capricorne var. crassispinum cv. Kigan: (cv. Kigan Gyoku) monstrous form loosing frequently its apical dominance with irregular shaped stems..
• Astrophytum capricorne var. crassispinum cv. Taiho-gyoku Megata: (cv. Taiho Gyoku) has few but stout, very wide and flatt spines.
• Astrophytum capricorne var. mayor Frič: Larger form when living in open fields but very similar to standard Astrophytum capricorne (and the differences between this two forms is questionable)
• Astrophytum capricorne var. minus C.Runge & Quehl: (ho-o-gyoku, ho-o-maru) Small growing variety of the species when living in open fields.
• Astrophytum capricorne var. niveum Y.Okomura: (cv. Hakuzuiho Gyoku) This form has striking more rigid and wide thorns and very more closely whiter flockingIt, it is bigger than var. senilis and aureum, and its dimension are similar to the standard species.
• Astrophytum capricorne f. nudum
• Astrophytum capricorne subs. senile (Frič) Doweld: It has dark reddish brown till black coloring spines, soon getting grey, bristly, flexible, square in cross-section, up to 10 cm long and pointing in all directions that often form up spirals, they are so densely nest wrapped that the body is hardly visible and looks like a dry grass bundle.
• Astrophytum capricorne subs. senile cv. Krausii: has pure white spines and a yellow flower but without the typical red throat.
• Astrophytum capricorne subs. senile cv. Rosa: ( cv. Pink Flowers) This is a selected form with Orangish or pinkish flowers with a red centre.
• Astrophytum capricorne cv. Backebergi
• Astrophytum capricorne cv. Crassispinoides
• Astrophytum capricorne cv. Kiho-gyoku: (= Kihou Gyoku) like A. capricorne v. crassispinum but with yellow spines.
• Astrophytum capricorne cv. Snowfrec: has a greater density of white spots.