Introgression across evolutionary scales suggests reticulation contributes to Amazonian tree diversity - Schley, RJ; Pennington, RT; Perez-Escobar, OA; Helmstetter, AJ; de, la Estrella M; Larridon, I; Kikuchi, IABS; Barraclough, TG; Forest, F; Klitgard, B (MOLECULAR ECOLOGY, 2020)