betulaceae_chen1999 betulaceae Chen Z. 1999. Phylogeny and evolution of the Betulaceae as inferred from DNA sequences, morphology, and paleobotany. Plant Systematics and Evolution. 86:1168-1181

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Caption: Single most parsimonious tree for the Betulaceae based on nrDNA ITS sequences with gaps are treated as missing data. Length = 374 steps. CI = 0.791, RI = 0.788. Base substitutions are indicated above branches. Bootstrap values are indicated below branches. Nothofagus antarctica is the designated outgroup." Notes: Nothofagus outgroup was pruned Karla Sartor 2008-01-09