Alexander, Edward F., 2001: null. The Cactus Family. 776.
Angiosperm Phylogeny Group. (2009). An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III. <em>Botanical Journal of the Linnean Society.</em> 161(2): 105-121.
10.1111/j.1095-8339.2009.00996.x
Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp.
Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp.
Gen. Pl.: 310. 4 Aug 1789.
Hunt, David, 2006: null. The New Cactus Lexicon: Text. x + 373.
Parker, S.P. (ed). (1982). Synopsis and Classification of Living Organisms. McGraw-Hill, New York. 2 volumes.
Reveal, J. L. (2006). USDA - APHIS - Concordance of Family Names, 2006 version. Available online at http://www.plantsystematics.org/reveal/pbio/usda/usdaindex.html.
Svenska kärlväxtnamn (2011) Databas levererad av Thomas Karlsson 2011-06-16