山羊百科，林文智老師的植物、山岳、攝影紀錄

Part I

• 《中国植物志》 第63卷 (1977) >> 088页 PDF >> 鸡骨常山属 Alstonia；http://www.iplant.cn/info/Alstonia?t=z
• FOC Vol. 16 Page 154；9. Alstonia R. Brown, Mem. Wern. Nat. Hist. Soc. 1: 75. 1811.；鸡骨常山属；http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=101211
• e-Flora of Thailand；11. Alstonia R.Br.；https://botany.dnp.go.th/eflora/floraGenus.html?factsheet=Alstonia&tdcode=02162

• Mem. Wern. Nat. Hist. Soc. 1: 76. 1810. (1811)；https://www.biodiversitylibrary.org/page/45848574#page/118/mode/1up

Memoirs of the Wernerian Natural History Society 1: 76. 1810. (1811)

• Obs. Organs Fecund. Orch. Asclep. 1831；https://bibdigital.rjb.csic.es/viewer/15701/?offset=#page=11&viewer=picture&o=bookmark&n=0&q=

Brown, Robert, Observations on the organs and mode of fecundation in Orchideae and Asclepiadeae

• Monachino, Pac. Sci. 3: 133-182 1949；https://www.biodiversitylibrary.org/page/54294520#page/143/mode/1up

Monachino, Joseph；A Revision of the Genus Alstonia (Apocynaceae)

• Middleton, Fl. Malaysia Penins. 2: 15 2011；ISBN: 978-967-5221-53-8

Part II

• A.DC., Prodr. 8: 408 (1844)；https://www.biodiversitylibrary.org/item/7157#page/416/mode/1up
• Hook.f., Fl. Brit. Ind. 3: 642 (1882)；https://www.biodiversitylibrary.org/page/456238#page/646/mode/1up
• Pichon in Bull. Mus. Hist. Nat. Paris s. n. 2: 296 (1947)；https://www.biodiversitylibrary.org/item/232285#page/310/mode/1up
• Miq., Fl. Ned. Ind. 2: 436 1856；https://www.biodiversitylibrary.org/page/5869626#page/444/mode/1up
• Alston, Handb. Fl. Ceylon 6: 192 (1893).；https://www.biodiversitylibrary.org/item/42265#page/204/mode/1up
• Merr., Bibl. Enum. Bornean Pl. 498 1921；https://www.biodiversitylibrary.org/page/11382214#page/502/mode/1up
• Monach., Pacific Sci. 3-4: 146 1949；https://www.biodiversitylibrary.org/page/54294533#page/156/mode/1up
• Ridl. in Fl. Malay Penins. 2: 346. 1923；https://www.biodiversitylibrary.org/item/256567#page/356/mode/1up