- described by source
- Pauly–Wissowa, Gujin Tushu Jicheng, Brockhaus and Efron Encyclopedic Dictionary, Small Brockhaus and Efron Encyclopedic Dictionary, Flora Reipublicae Popularis Sinicae, volume 21, Meyers Konversations-Lexikon, 4th edition (1885–1890), Encyclopædia Britannica 11th edition, The Domestic Encyclopædia; Or, A Dictionary Of Facts, And Useful Knowledge, The New Student's Reference Work, Armenian Soviet Encyclopedia, vol. 5
- taxon common name
- birch, Berk, brzoza, Birke, betulla, 桦木属, 桦木属, breza
- taxon name
- Betula