Discocactus bahiensis subsp. petr-halfarii (Zachar) P.J.Braun & Esteves in Kakteen And. Sukk. 59: 184. 2008
Discocactus bahiensis subsp. petr-halfarii in Kakteen And. Sukk. 59: 184. 2008
is new combination for Discocactus petr-halfarii in Kaktusy (Brno) 44: 45. 2008