Over 60 years ago, Robert Sokal and Peter Sneath changed the way we quantitatively study evolution, by providing the first numerical approa...

One may expect that perfectly compatible, trivial data will lead to perfect trees that are trivial to interpret. And this may really be the...

(This is a joint post by Guido Grimm and David Morrison) Phylogenetic data matrices can have odd patterns in them, which presumably repre...

A major application of networks in exploratory data analysis is to identify signal oddities and visualise ambiguity. Thus, they would be t...

Spermatophyte morphological matrices that combine extinct and extant taxa notoriously have low branch support, as traditionally established...