Correction: Corrigendum: Three keys to the radiation of angiosperms into freezing environments

Nature 506, 89–92 (2014); doi:10.1038/nature12872 corrigendum Nature 514, 394 (2014); doi:10.1038/nature13842 Three readers pointed out that in this Letter we applied the threshold of 0.044 (the size at which freezing-induced embolisms are believed to become frequent at modest tensions) to the area of the conduit (in mm2) rather than the diameter (in mm).