Takayuki Yamada, Goro Kokubugata, Shinji Fujii, Chien-Fan Chen, Akira Asakawa, Takuro Ito, Masayuki Maki. Refugia during the last glacial period and the origin of the disjunct distribution of an insular plant. Journal of Biogeography. 2021. 48. 6. 1460-1474