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Population Genetic Analysis Infers Migration Pathways of Phytophthora ramorum in US Nurseries

Figure 5

Comparison of the genetic groups identified by three clustering algorithms.

The UPGMA dendrogram was produced for the 18 clusters identified by BAPS 5.2. The membership of each cluster is indicated to the far right by state, with the number of isolates if greater than one in parentheses. Pie charts show the group assignment of the isolates in each BAPS cluster by Structure 2.2 (left) and k-means clustering (right). See Table 1 for state abbreviations.

Figure 5