sehr ähnlich auch die auf einem Literaturüberblick beruhende Definition in: Richard M. Bateman, Jason Hilton, Paula J. Rudall: Morphological and molecular phylogenetic context of the angiosperms: contrasting the 'top-down' and 'bottom-up' approaches used to infer the likely characteristics of the first flowers. In: Journal of Experimental Botany. Band 57, 2006, S. 3471–3503, doi:10.1093/jxb/erl128.
Katja E. Jaeger, Alexander Graf, Philip A. Wigge: The control of flowering in time and space. In: Journal of Experimental Botany. Band 57, Nr. 13, 2006, S. 3415–3418, doi:10.1093/jxb/erl159.
Laurent Corbesier, George Coupland: The quest for florigen: a review of recent progress. In: Journal of Experimental Botany. Band 57, Nr. 13, 2006, S. 3395–3403, doi:10.1093/jxb/erl095.
Enrico S. Coen, Elliott M. Meyerowitz: The war of the whorls: genetic interactions controlling flower development. In: Nature. Band 353, 1991, S. 31–37, doi:10.1038/353031a0.
Günter Theißen, Rainer Melzer: Molecular Mechanisms Underlying Origin and Diversification of the Angiosperm Flower. In: Annals of Botany. Band 100, Nr. 3, 2007, S. 603–619, doi:10.1093/aob/mcm143.
Douglas E. Soltis, André S. Chanderbali, Sangtae Kim, Matyas Buzgo, Pamela S. Soltis: The ABC Model and its Applicability to Basal Angiosperms. In: Annals of Botany. Band 100, Nr. 2, 2007, S. 155–163, doi:10.1093/aob/mcm117.
Hilary J. Rogers: Programmed Cell Death in Floral Organs: How and Why do Flowers Die? In: Annals of Botany. Band 97, Nr. 3, 2006, S. 309–315, doi:10.1093/aob/mcj051.
Michael W. Frohlich, David S. Parker: The mostly male theory of flower evolutionary origins: from genes to fossils. In: Systematic Botany. Band 25, Nr. 2, 2000, S. 155–170, doi:10.2307/2666635 (PDF-Datei).
Richard M. Bateman, Jason Hilton, Paula J. Rudall: Morphological and molecular phylogenetic context of the angiosperms: contrasting the 'top-down' and 'bottom-up' approaches used to infer the likely characteristics of the first flowers. In: Journal of Experimental Botany. Band 57, Nr. 13, 2006, S. 3471–3503, doi:10.1093/jxb/erl128.
Michael W. Frohlich, David S. Parker: The mostly male theory of flower evolutionary origins: from genes to fossils. In: Systematic Botany. Band 25, Nr. 2, 2000, S. 155–170, doi:10.2307/2666635 (PDF-Datei).