Discocactus catingicola subsp. griseus (Buining & Brederoo) P.J.Braun & Esteves in Kakteen And. Sukk. 46: 64. 1995
Discocactus catingicola subsp. griseus in Kakteen And. Sukk. 46: 64. 1995
is new combination for Discocactus griseus in Succulenta (Netherlands) 54: 186. 1975