Children (11 direct children, 11 direct and indirect children):
Sulcorebutia steinbachii var. hoffmannii
Sulcorebutia steinbachii subsp. krugerae
Sulcorebutia steinbachii subsp. markusii
Sulcorebutia steinbachii var. markusii
Sulcorebutia steinbachii var. mizquensis
Sulcorebutia steinbachii var. taratensis
Sulcorebutia steinbachii var. tintiniensis
Sulcorebutia steinbachii subsp. verticillacantha
Sulcorebutia steinbachii var. tunariensis
Sulcorebutia steinbachii var. australis
Sulcorebutia steinbachii subsp. kruegeri