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. 2014 Nov 13;9(11):e108915. doi: 10.1371/journal.pone.0108915

Figure 2. Maximum likelihood (ML) tree of algal 18S rDNA sequences from egg masses of four amphibian taxa from various North American localities.

Figure 2

The data matrix included 1,653 characters and 180 sequences. Newly obtained sequences are bold-faced. ML and MP bootstrap values greater than 50% are shown at corresponding nodes. Subclades I−IV are collapsed into triangles for visual clarity; an un-collapsed version of the tree can be found as Figure S1. Numbers in parentheses indicates the number of sequences obtained and analyzed for the corresponding sample. See Table 1 for naming conventions and GenBank accession numbers.