Bennettitales | referencias
English: Bennettitales

Referencias

  1. a b Speer, Brian R., 2000. Introduction to the Bennettitales http://www.ucmp.berkeley.edu/seedplants/bennettitales.html (accessed 13 Oct 2005).
  2. Pigg, Kathleen. 2005 The Cycads, Cycadeoids (Bennettitales) and Ginkgophytes http://lsweb.la.asu.edu/kpigg/CYCAD.html Archivado el 26 de octubre de 2007 en la Wayback Machine. (accedido 21 Sept. 2007).
  3. Crepet, W. L. (2000). «Progress in understanding angiosperm history, success, and relationships: Darwin's abominably "perplexing phenomenon"». Proceedings of the National Academy of Sciences 97: 12939. 11087846. 10.1073/pnas.97.24.12939.