Discocactus catingicola var. griseus (Buining & Brederoo) P.Braun & Esteves in Kakteen And. Sukk. 44: 112. 1993
Discocactus catingicola var. griseus in Kakteen And. Sukk. 44: 112. 1993
is new combination for Discocactus griseus in Succulenta (Netherlands) 54: 186. 1975