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


  • Anales de la Sociedad Científica Argentina 99: 86. 1925. (Anales Soc. Ci. Argent.)
  • Hickenia 1(55): 289–294, f. 1–2. 1982. (Hickenia)
  • Hunt, David. 2006. The New Cactus Lexicon: Text. x + 373


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