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My systematic research to date has focused on phylogenetic relationships of genera within three plant families: Myrtaceae (particularly the genera Melaleuca and Callistemon), Ericaceae (Rhododendron section Vireya) and the Leguminosae (Acacia and genera of the tribe Ingeae). Much of my experience in plant systematics has been in molecular phylogenetics, however, I believe it is important to interpret results from the genetic information in relation to other data such as morphology, the basis for classification and identification in the field. I am currently using ITS and ETS to investigate the phylogenetic relationships of the Australian species of Acacia (subgenus Phyllodineae), and attempting to identify their closest living relative.
My other main research area is using phylogenies to investigate biogeographic hypotheses to elucidate the history of areas and how this history has influenced the evolution of biodiversity found there today. South East Asia is of particular interest to me because of its complex geological history and present species diversity.
Papers
Brown, G.K. and Craven, L.A. (2003). A new alpine species of Rhododendron (Ericaceae) from New Guinea. Novon 13: 26-29
Brown, G.K., Udovicic, F. and Ladiges, P.Y. (2001). Molecular phylogeny of Melaleuca, Callistemon and related genera (Myrtaceae). Australian Systematic Botany 14: 565-585.
Conference Proceedings
Brown, G.K. (2003). Vireya Rhododendrons: an insight into their relationships. In Argent, G & M. McFarlane (Eds.), Rhododendrons in Horticulture and Science, pp 95-110. Royal Botanic Gardens Edinburgh.
Other articles
Gillian Brown (2003) Vireya Rhododendrons. The Systematist (Newsletter of the Systematics Association) 22: 17-21.
Gillian Brown (2002). My Edinburgh Rhododendron Experience: Rhodo '02 Conference & Vireya Study Visit. The Rhododendron (Annual Journal of the Australian Rhododendron Society) 42: 10-12 |