1. brranching::phylomatic_trees
    Phylogenies to use with phylomatic
  2. brranching::tpl
    Lookup-table for family, genus, and species names for ThePlantList gymnosperms
  3. OpenTreeChronograms::opentree_chronograms
    Open Tree of Life Chronogram database in R
  4. OpenTreeChronograms::problematic_chronograms
    Problematic chronograms from Open Tree of Life.