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
- 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