Melocactus schatzlii Melocactus schatzlii W.Till & R.Gruber in Kakteen And. Sukk. 33: 68–70. 1982 sec. Hunt 20061 wfo-0000375242≡Melocactus mazelianus subsp. schatzlii (H.Till & R.Gruber) Guiggi in Cactology 2: 7. 2010 syn. sec. ??? wfo-00014324901. Hunt, D.R. 2006: The New Cactus Lexicon. – Milborne Port: dh booksContentDistribution (Area) Bibliography Distribution (Area) Brazil cultivatedA Colombia nativeB Venezuela nativeB Bibliography A. Zappi, D. & Taylor, N. P. 2020+: Cactaceae in Flora e Funga do Brasil. – Jardim Botânico do Rio de Janeiro – http://floradobrasil.jbrj.gov.brB. Hunt, D.R. 2016: CITES Cactaceae Checklist. 3rd edition. – published by the author
