Discocactus bahiensis subsp. subviridigriseus (Buining & Brederoo) P.J.Braun & Esteves in Kakteen And. Sukk. 44: 63. 199
Discocactus bahiensis subsp. subviridigriseus in Kakteen And. Sukk. 44: 63. 1993
is new combination for Discocactus subviridigriseus, Discocactus: 115. 1976