Parent Category Figures
1 Betula papyrifera 2448
2 Betula alleghaniensis 1913
3 Betula nigra 1152
4 Betula populifolia 636
5 Betula lenta 607
6 Betula pendula 554
7 Betula pumila 130
8 Betula cordifolia 114
9 Betula occidentalis 99
10 Betula nana 95
11 Betula pubescens 78
12 Betula glandulosa 39
13 Betula utilis 27
14 Betula neoalaskana 25
15 Betula minor 15
16 Betula ermanii 14
17 Betula michauxii 9
18 Betula humilis 8
19 Betula platyphylla 7
20 Betula dahurica 3
21 Betula schmidtii 2
22 Betula grossa 2
23 Betula purpusii 2
24 Betula sandbergii 2
25 Betula caerulea 2
26 Betula turkestanica 1
27 Betula tianschanica 1
28 Betula costata 1
29 Betula hornei 1
30 Betula maximowicziana 1
31 Betula microphylla 1