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) >> 041页 PDF >> 蕊木属 Kopsia；http://www.iplant.cn/info/Kopsia?t=z
• FOC Vol. 16 Page 162；15. Kopsia Blume, Catalogus. 12. 1823.；蕊木属；http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=117237

• Kopsia | Flora Malesiana

• Middleton, Gard. Bull. Singapore. 55: 65 2003；https://www.biodiversitylibrary.org/page/43620911#page/76/mode/1up

Middleton, David J.；A New Species and a New Combination in Bornean Kopsia (Apocynaceae: Apocynoideae)

• Middleton, Fl. Malaysia Penins. 2: 56 2011；ISBN: 978-967-5221-53-8

Part II

• Ridley, Fl. Malay Penins. 2: 337 (1923).；https://www.biodiversitylibrary.org/item/256567#page/347/mode/1up

Part III

1. Middleton, David J. 2005 A new species of Kopsia (Apocynaceae, Rauvolfioideae) from Vietnam Adansonia ser.3 27: 287-289 2005.

• Middleton, David J. 2004 A revision of Kopsia (Apocynaceae: Rauvolfioideae). Harvard Pap. Bot. 9: 89-142.