Pseudopilocereus pernambucoensis var. caesius (F.Ritter) P.V.Heath in Calyx 4: 140. 1994
Pseudopilocereus pernambucoensis var. caesius in Calyx 4: 140. 1994
is new combination for Pilosocereus pernambucoensis var. caesius, Kakteen Südamerika 1: 66. 1979