| complex phylogeography and historical hybridization between sister taxa of freshwater sculpin (cottus). | species ranges that span different geographic landscapes frequently contain cryptic species- or population-level structure. identifying these possible diversification factors can often be accomplished under a comparative phylogeographic framework. however, comparisons suffer if previous studies are limited to a particular group or habitat type. in california, a complex landscape has led to several phylogeographic breaks, primarily in terrestrial species. however, two sister taxa of freshwater fi ... | 2014 | 24750456 |