Cereus piauhyensis Gürke in Monatsschr. Kakteenk. 18: 84. 1908
Cereus piauhyensis in Monatsschr. Kakteenk. 18: 84. 1908
is basionym for Pilosocereus piauhyensis in Cact. Succ. J. Gr. Brit. 19(3): 67. 1957
is basionym for Cephalocereus piauhyensis, Cactaceae 2: 49. 1920
is basionym for Pseudopilocereus piauhyensis in Beitr. Biol. Pflanzen 44: 253. 1968
is basionym for Pilocereus piauhyensis, Bras. Säulenkakt.: 111. 1933
Holotype: Brazil, Piauí: on rocks of the Serra Branca [Mpio. São Raimundo Nonato], Jan 1907, Ule 9 (B, in spirit: B 810006778)
Isotype: Brazil, Piauí: on rocks of the Serra Branca [Mpio. São Raimundo Nonato], Jan 1907, Ule 9 (K: [photo])
Isotype: Brazil, Piauí: on rocks of the Serra Branca [Mpio. São Raimundo Nonato], Jan 1907, Ule 9 (SPF: [photo])