https://github.com/davepinch/pinchy.cc/blob/master/content/topics/discworld/novels/19-feet-of-clay/quotes/I-AM-DEATH-NOT-TAXES.md
There’s no such thing as a tree (phylogenetically) (eukaryotewritesblog.com) “Trees” are not a coherent phylogenetic category. On the evolutionary tree of plants, trees are regularly interspersed with things that are absolutely, 100% not trees.