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Pooideae phylogeny showing the eleven major tribes (gray box) and delimitation of the core pooids based on Schneider et al. (2009) and Grass Phylogeny Working Group II (2012). Outgroups are the closely related grass subfamilies, Bambusoideae and Ehrhartoideae, which together with Pooideae form the BEP clade. Sister to the BEP clade is the PACCMAD clade that contains tropical cereals such as maize and sorghum (Sorghum bicolor). Focal tribes in this study are highlighted in bold.
