討論:Betula

山羊百科，林文智老師的植物、山岳、攝影紀錄

• 《中国植物志》 第21卷 (1979) >> 103页 PDF >> 桦木属 Betula；http://www.iplant.cn/info/Betula?t=z
• FOC Vol. 4 Page 304；6. Betula Linnaeus, Sp. Pl. 2: 982. 1753.；桦木属；http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=103887
• Checklist of Plants of India；BETULA；https://efloraindia.bsi.gov.in/eFlora/speciesList_PCL.action?resultType=genusWise&parent_Id=40832&parent_Name=Betula

• Shirai, Bot. Mag. Tokyo 8: 317-332 1894；https://www.biodiversitylibrary.org/item/129801#page/373/mode/1up

Shirai, Mitsutaro；JAPANESE SPECIES OF BETULA & 日本樺屬ノ説

• • Illustration T.6；https://www.biodiversitylibrary.org/item/129801#page/370/mode/1up

• Regel, Bull. Soc. Imp. Naturalistes Moscou 38(2): 412 T. 6 f.9-15 (1865)；https://www.biodiversitylibrary.org/page/44317395#page/478/mode/1up
  • Illustration T. 6 f.9-15；https://www.biodiversitylibrary.org/page/44317395#page/599/mode/1up
• Spach, Ann. Sci. Nat., Bot. sér. 2, 15: 182 (1841)；https://www.biodiversitylibrary.org/item/111894#page/186/mode/1up

Spach, Eduardo；REVISIO BETULACEARUM