| betula alnoides | | China: Beijing Botanical Garden (BBG) of the Chinese Academy of Sciences, Beijing | | 766947672 |
| betula alnoides | | China: Beijing Botanical Garden (BBG) of the Chinese Academy of Sciences, Beijing | | 766946706 |
| betula alnoides | | China: Beijing Botanical Garden (BBG) of the Chinese Academy of Sciences, Beijing | | 766945888 |