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↑ Douglas E. Soltis, Pamela S. Soltis, Peter K. Endress, Mark W. Chase (2005). Phylogeny and Evolution of the Angiospermae. Sinauer: Sunderland, MA
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↑ T. Jonathan Davies, Timothy G. Barraclough, Mark W. Chase, Pamela S. Soltis, Douglas E. Soltis, Vincent Savolainen (2004). "Darwin's abominable mystery: Insights from a supertree of the angiosperms". Proceedings of the National Academy of Sciences 101(7):1904-1909.
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