Supplementary material 4 from: Castillo ML, Schaffner U, Mbaabu PR, Shiferaw H, van Wilgen BW, Eckert S, Choge S, Münzbergová Z, Le Roux JJ (2024) Following in the footsteps of invasion: comparisons of founder and invasive genotypes of two independent invasions reveal site-specific demographic processes and no influence by landscape attributes on dispersal. NeoBiota 93: 263-291. https://doi.org/10.3897/neobiota.93.117457

Identification of the optimal number of clusters (K) for P. juliflora individuals