TY - RPRT TI - Rooting phylogenetic trees with distant outgroups: a case study from the commelinoid monocots. AU - Sean W Graham AU - Richard G Olmstead AU - Spencer C H Barrett PY - 2002 DO - 10.1093/oxfordjournals.molbev.a003999 UR - https://pubmed.ncbi.nlm.nih.gov/12270903/ ID - 12270903 ER -