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

References

  • 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)
  • C.Michael Hogan. 2011. Cactus. Topic ed. Arthur Dawson. Ed.-in-chief Cutler J.Cleveland. Encyclopedia of Earth. National Council for Science and the Environment. Washington DC http://www.eoearth.org/article/Cactus?topic=49480
  • Forzza, R. C. 2010. Lista de espécies Flora do Brasil http://floradobrasil.jbrj.gov.br/2010. Jardim Botânico do Rio de Janeiro, Rio de Janeiro.
  • Hunt, David. 2006. The New Cactus Lexicon: Text. x + 373
  • WoRMS (2014). Harrisia. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=415447

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