The numbers above the branches show bootstrap values for maximum likelihood and distance analysis, respectively. Asterisks indicate values lower than 50%. The locus name for each gene was from the database of Phyzotome (v9.0). A species acronym is included before the gene name: At, Arabidopsis thaliana; Bd, Brachypodium distachyon; Cr, Chlamydomonas reinhardtii; Gm, Glycine max; Mt, Medicago truncatula; Mg, Mimulus guttatus; Os, Oryza sativa; Pp, Physcomitrella patens; RC, Ricinus communis; Sb, Sorghum bicolor; Si, Setaria italica; Sm, Selaginella moellendorffii; Vc, Volvox carteri; Zm, Zea mays.