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Fig. 3 | BMC Evolutionary Biology

Fig. 3

From: Exact median-tree inference for unrooted reconciliation costs

Fig. 3

Types of unrooted trees. Four possible types of unrooted gene trees G (under the assumption that |L(G)|≥3 and L(S)≥3). Red color (in the center) denotes G (plateau) while grey subtrees denote the rooted forest \(\check {G}\). Border nodes are marked by black circles and decorated with its possible star types (when applicable). See also Fig. 2

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