Additional file 4: of Treemmer: a tool to reduce large phylogenetic datasets with minimal loss of diversity

Figure S1. Root-to-tip regression for the complete influenza dataset (2063 leaves, black dots and black regression line, in gray the 99% confidence interval) and four reduced trees (orange: 99% or RTL , red: 90% of RTL, green: 75% of RTL, blue: 50% of RTL. All trees were re-rooted with the best-fit method implemented in TempEst. (PDF 12 kb)