Fig. 2From: Genetic evidence of multiple invasions and a small number of founders of Asian Palmyra palm (Borassus flabellifer) in ThailandGeographical distribution of the STRUCTURE clusters (KÂ =Â 2) B. flabellifer in Thailand. The map depicted here was taken from Wikimedia Commons. Colors in pie charts represented the different clusters. The sizes of pie chart represented sample sizes. For abbreviation of provinces see Additional file 1 Back to article page