Facheiroa chaetacantha var. montealtoi (F.Ritter) P.J.Braun & Esteves in Kakteen And. Sukk. 40: 202. 1989
Facheiroa chaetacantha var. montealtoi in Kakteen And. Sukk. 40: 202. 1989
is new combination for Zehntnerella chaetacantha var. montealtoi, Kakteen Südamerika 1: 215. 1979