1. Data from: Strong inbreeding depression in two Scandinavian populations of the self-incompatible perennial herb Arabidopsis lyrata Sletvold, Nina, Mousset, Mathilde, Hagenblad, Jenny, Hansson, Bengt, and Ågren, Jon. 2013 May 13. Inbreeding depression is a key factor influencing mating system evolution in plants, but current understanding of its relationship with selfing rat...