The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.


  • Blätter für Kakteenforschung 1938(6): 21. 1938. (Blätt. Kakteenf.)
  • Bollettino delle r. Orto Botanico e Giardino Coloniale di Palermo 8: 238. 1909. (Boll. Reale Orto Bot. Giardino Colon. Palermo)
  • Bulletin of the Torrey Botanical Club 35(12): 561–566. 1908. (Bull. Torrey Bot. Club)
  • Forzza, R. C. 2010. Lista de espécies Flora do Brasil Jardim Botânico do Rio de Janeiro, Rio de Janeiro.
  • Hunt, David. 2006. The New Cactus Lexicon: Text. x + 373
  • WoRMS (2015). Harrisia. Accessed through: World Register of Marine Species at


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