The adaptive challenge of extreme conditions shapes evolutionary diversity of plant assemblages at continental scales. - Neves DM; Kerkhoff AJ; Echeverría-Londoño S; Merow C; Morueta-Holme N; Peet RK; Sandel B; Svenning JC; Wiser SK; Enquist BJ (Proceedings of the National Academy of Sciences of the United States of America, 2021)