机译:生根具有遥远外群的系统发育树:来自Commelinoid单子叶植物的案例研究
Department of Biological Sciences, University of Alberta, Canada;
Department of Botany, University of Washington;
Department of Botany, University of Toronto, Canada;
phylogenetic signal; rooted trees; unrooted trees; outgroup; pontederiaceae; monocotyledons; long-branch attraction;