Phylogenetic inference of nuptial trait evolution in the context of asymmetrical introgression in North American darters (teleostei).

Abstract excerpt

Introgressive hybridization and incomplete lineage sorting complicate the inference of phylogeny, and available species-tree methods do not simultaneously account for these processes. Both hybridization and ancestral polymorphism have been invoked to explain divergent phylogenies inferred from different datasets for Stigmacerca, a clade of 11 North American darter species. Species of Stigmacerca are characterized...

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