The math that describes the branching pattern of trees in nature also holds ... which correspond to the range of natural trees. Even abstract works of art that don't visually show branch junctions ...

Clades are natural chunks of trees because there is a portion of history ... depicts the branching history of common ancestry. The pattern of branching (i.e., the topology) is what matters ...

They found that the trees depicted in the artworks, even when abstract or stylistic, mostly, but not always, corresponded to ...