Merger of Betula tatewakiana (Betulaceae) from northern Japan with northeast Asian B. ovalifolia based on ploidy level


	Species distribution ranges of Betula ovalifolia (A) and B. tatewakiana (B). Map data 2020 (C) Google.

Part of: Shiotani Y, Fukuda T, Marchuk EA, Petrunenko EA, Krestov PV, Bondarchuk SN, Nishikawa Y, Shimamura T, Fujimura Y, Nakamura K (2020) Merger of Betula tatewakiana (Betulaceae) from northern Japan with northeast Asian B. ovalifolia based on ploidy level. PhytoKeys 170: 83-91. https://doi.org/10.3897/phytokeys.170.58585