Children (8 direct children, 8 direct and indirect children):
Gymnocalycium mostii subsp. bicolor
Gymnocalycium mostii subsp. prochazkianum
Gymnocalycium mostii subsp. valnicekianum
Gymnocalycium mostii subsp. ferocior
Gymnocalycium mostii subsp. ferocius
Gymnocalycium mostii var. immemoratum
Gymnocalycium mostii f. kurtzianum
Gymnocalycium mostii var. miradorense
Gymnocalycium mostii var. kurtzianum