Isolated history of the coastal plant Lathyrus japonicus (Leguminosae) in Lak…

Abstract. Background and aims: Lake Biwa is one of the world’s few ancient lakes. Formed
4 million years ago, the lake harbours many coastal species that commonly inhabit seashores. The beach pea Lathyrus japonicus is a typical coastal species of this freshwater lake, but its inland populations are faced with the threat of extinction. Here, we investigated the phylogeographical and popu…