Phyllocactus ×violaceus F.Sm. & T.Sm.bis ex Mast. in Gard. Chron. 1869: 666. 1869
Phyllocactus ×violaceus in Gard. Chron. 1869: 666. 1869
is basionym for Disocactus ×violaceus in Bradleya 9: 88. 1991
Phyllocactus ×violaceus in Gard. Chron. 1869: 666. 1869
Taxon for this name