Family: Cactaceae
[Astrophytum columnare (K. Schum.) Sadovsky & Schütz, more..., Astrophytum myriostigma var. potosinum (Kanfer) Borg, Astrophytum myriostigma var. tulense (K. Kayser) Y. Itô, Astrophytum tulense (K. Kayser) Sadovsky & Schütz]
Barry Rice