Aporocactus conzattii Britton & Rose, Cactaceae 2: 220. 1920
Aporocactus conzattii, Cactaceae 2: 220. 1920
is basionym for Aporocactus martianus var. conzattii in Calyx 2: 60. 1992
is basionym for Cereus conzattii, Kakteen: 110. 1929
Isotype: Mexico, Oaxaca: Cerro San Felipe, 1912, Conzattii [#18] (K: K000062686)
Holotype: Mexico, Oaxaca: Cerro San Felipe, 1912, Conzattii [#18] (US: 00115579) http://n2t.net/ark:/65665/34919aea1-206f-463f-a6d3-de420e10bfbf
Isotype: Mexico, Oaxaca: Cerro San Felipe, 1912, Conzattii [#18] (US: NY118684)