As classified in WFO snapshot
June 2025
latest classification for this taxon
species
Melocactus cylindricus
Valck.Sur.
This species name was first published in in Verh. Kon. Akad. Wetensch., Afd. Natuurk., Sect. 2 16(3): 19. 1910.
This species name has been reclassified since this snapshot. Its current preferred usage is a synonym .