Discocactus hartmannii subsp. patulifolius (Buining & Brederoo) P.J.Braun & Esteves in Kakteen And. Sukk. 46: 64. 1995
Discocactus hartmannii subsp. patulifolius in Kakteen And. Sukk. 46: 64. 1995
is new combination for Discocactus patulifolius in Kakteen And. Sukk. 25: 195. 1974