Repeated polyploidization shapes divergence in floral morphology in Lithophragma bolanderi (Saxifragaceae) - Karin Gross; Homa Papoli Yazdi; Elisabeth Schlager; Jodie Lilley; Andrés Romero-Bravo; Anna Runemark; John N. Thompson; Magne Friberg (Proceedings of the National Academy of Sciences, 2025)