phylogenetic relationships of leopard frogs (rana pipiens complex) from an isolated coastal mountain range in southern sonora, mexico.mitochondrial dna sequence data from the control region and 12s rrna in leopard frogs from the sierra el aguaje of southern sonora, mexico, together with genbank sequences, were used to infer taxonomic identity and provide phylogenetic hypotheses for relationships with other members of the rana pipiens complex. we show that frogs from the sierra el aguaje belong to the rana berlandieri subgroup, or scurrilirana clade, of the r. pipiens group, and are most closely related to rana magnaocularis fr ...200818625327
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