Fig. 2
From: Phylogenetic network analysis as a parsimony optimization problem

Binary “display” trees of network in Fig. 1. Node VII (now indegree=outdegree=1) can be removed by contraction
From: Phylogenetic network analysis as a parsimony optimization problem
Binary “display” trees of network in Fig. 1. Node VII (now indegree=outdegree=1) can be removed by contraction