Genomic signatures of reproductive isolation are decoupled from floral divergence in a long-standing hybrid zone
Benjamin W. Stone, N Hoyt Williams, Trinity H. Depatie, Zachary J Radford, Alice Mosley, Carolyn A. Wessinger
The paper examines reproductive isolation in hybrid zones of two Penstemon species, finding that floral divergence is decoupled from genomic barriers.
bioRxiv · Jul 28, 2026 · PreprintEvolutionary Biology