Synonyms
Cereus tweedyanus (Britton & Rose) Werderm.
Pilocereus tweedyanus (Britton & Rose) Backeb.
Pilosocereus tweedyanus (Britton & Rose) Byles & G.D.Rowley
Pilosocereus gironensis Rauh & Backeb. ex Byles & G.D.Rowley
Cephalocereus colombianus Britton & Rose
Pilosocereus lanuginosus subsp. colombianus (Britton & Rose) Guiggi
Pilosocereus tuberculosus Rauh & Backeb.
Cephalocereus tweedyanus Britton & Rose