Botanic Gardens Trust, Sydney, Australia

Nathalie Nagalingum 


Systematic Botanist


Science and Public Programs


Plant Diversity

+61 2 9231 8135


+61 2 9241 3892

nathalie.nagalingum [at]

Research experience

  • The University of Melbourne, Ph.D.
  • Duke University, Postdoctoral research associate.
  • Harvard University, Postdoctoral research associate.
  • University of California, Berkeley, Postdoctoral research associate.

Current research projects

  • Phylodiversity of Australian ferns
  • Diversification patterns and processes in Australian ferns
  • Species relationships within the semi-aquatic fern Marsilea
  • Species delimitation of Australian cycads
  • Phylogeny and diversification of the cycads
  • Patterns of evolution of fossil cycads
  • Paleobiological patterns in fern and angiosperm diversity

Research interests

  • Evolution, diversification and phylogenetics of ferns
  • Evolution, species delimitation and biogeography of cycads
  • Patterns of extinction and speciation during the radiation of angiosperms


  • Ferns, cycads, gymnosperms, paleobotany, fossils, molecular dating, phylogenetics, diversity

Key publications


  • Nagalingum, N., Knerr, N., Laffan, S., Gonzalez-Orozco, C., Thornhill, A., Miller, J., and Mishler, B., 2015. Continental-scale patterns and predictors of fern diversity. Frontiers in Genetics. In press. Invited paper for special issue on “The origins of tropical diversity”.
  • Nagalingum, N. and Cantrill, D., 2015. The Albian fern flora of Alexander Island, Antarctica. Cretaceous Research. In press.
  • Condamine, F., Nagalingum, N., Marshall, C., and Morlon, H., 2015. Origin and diversification of living cycads: A cautionary tale on the impact of branching process prior in Bayesian molecular dating. BMC Evolutionary Biology. In press.
  • Nagalingum, N., Knerr, N., Mishler, B., and Cargill, D. C., 2014. Overlapping fern and bryophyte hotspots: assessing ferns as a predictor of bryophyte diversity. Telopea 17: 383-392.
  • Gonzalez-Orozco, C., Ebach, M., Laffan, S., Thornhill, A., Knerr, N., Schmidt-Lebuhn, A., Cargill, C., Clements, M., Nagalingum, N., Mishler, B., and Miller, J., 2014. Quantifying phytogeographical regions of Australia using geospatial turnover in species composition. PLoS ONE 9: e92558.
  • Whitten, W. M., Jacono C. C. and Nagalingum, N., 2012. An expanded plastid phylogeny of Marsilea with emphasis on North American species. American Fern Journal 102: 114-135.
  • Nagalingum, N. S., Marshall, C. R., Quental, T. B., Rai, H. S., Little D. P. and Mathews S., 2011. Recent synchronous radiation of a living fossil. Science 334: 796-799.
  • Beilstein, M., Nagalingum, N., Clements, M., Manchester, S. and Mathews, S. 2010. Dated molecular phylogenies indicate a Miocene origin for Arabidopsis thaliana. Proceedings of the National Academy of Sciences 107 (43): 18724-18728.
  • Nagalingum, N., Nowak, M. and Pryer, K., 2008. Assessing phylogenetic relationships in extant heterosporous ferns (Salviniales), with a focus on Salvinia and Pilularia.  Botanical Journal of the Linnean Society 157: 673-685.
  • Nagalingum, N., Schneider, H. and Pryer, K., 2007. Molecular phylogenetic relationships and morphological evolution in the heterosporous fern genus Marsilea. Systematic Botany 32: 16-25.
  • Nagalingum, N., 2007. Marsileaceaephyllum, a new genus for marsileaceous macrofossils: leaf remains from the Early Cretaceous (Albian) of southern Gondwana. Plant Systematics and Evolution 264: 41-55.
  • Nagalingum, N. and Cantrill, D., 2006. Early Cretaceous Gleicheniaceae and Matoniaceae (Gleicheniales) from Alexander Island, Antarctica. Review of Palaeobotany and Palynology 138: 73-93.
  • Nagalingum, N., Schneider, H. and Pryer, K., 2006. Comparative morphology of reproductive structures in heterosporous water ferns and a re-evaluation of the sporocarp. International Journal of Plant Sciences 167: 805-815.
  • Nagalingum, N., Drinnan, A. and McLoughlin, S., 2005. A new Neocomian conifer species, Bellarinea richardsii, from the lower Cretaceous of Victoria, Australia. Proceedings of the Royal Society of Victoria 117: 295-306.
  • Cantrill, D. and Nagalingum, N., 2005. Pteridophytes from the Cretaceous of Alexander Island, Antarctica: implications for Cretaceous phytogeography of the Southern Hemisphere. Review of Palaeobotany and Palynology 137: 83-103.
  • Nagalingum, N., Drinnan, A., Lupia, R. and McLoughlin, S., 2002. Fern spore diversity and abundance in the Cretaceous of Australia. Review of Palaeobotany and Palynology 119: 69-92.
  • McLoughlin, S., Tosolini, A-M., Nagalingum, N., Drinnan, A., 2002. An Early Cretaceous (Neocomian) flora and fauna of the lower Strzelecki Group, Gippsland Basin, Victoria.  Memoir of the Association of Australasian Palaeontologists 26: 1-144.