Figure 2 from: 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

Figure 2 Somatic chromosomes at metaphase of B. tatewakiana and B. ovalifolia. Photomicrographs of B. tatewakiana from Sarabetsu mire (A, 2n = 56: HUBG 14746 A) and Nishibetsu mire (C, 2n = 56: Yuki Shiotani 29), and B. ovalifolia from Primorsky Krai (E, 2n = 56: Koh Nakamura 14198) are shown. B, D, F are drawings of A, C, E, respectively. Scale bar: 5 µm.