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49(2)卷 (1984) >> 172页 PDF >> 翅子树属 Pterospermum；http://www.iplant.cn/info/Pterospermum?t=z
• FOC Vol. 12 Page 302, 303, 327；Pterospermum Schreber, Gen. Pl. 2: 461. 1791.；http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=127512
• e-Flora of Thailand；15. Pterospermum Schreber；https://botany.dnp.go.th/eflora/floraGenus.html?factsheet=Pterospermum&tdcode=02775
• Trung tâm Dữ liệu Thực vật Việt Nam；Pterospermum；https://www.botanyvn.com/cnt.asp?param=edir&v=Pterospermum&list=genus&lg=en

Part II

• Hook. & Arn. Bot. Beech. Voy. 170 1838；https://www.biodiversitylibrary.org/page/404302#page/207/mode/1up
• Mast. in Hook.f., Fl. Brit. Ind. 1: 368 (1874)；https://www.biodiversitylibrary.org/item/13814#page/419/mode/1up
• Benth, Fl. Austral. 1: 233 1863；https://www.biodiversitylibrary.org/page/6721332#page/291/mode/1up
• DC., Prodr. [A. P. de Candolle] 1: 500 1824；https://www.biodiversitylibrary.org/item/7150#page/439/mode/1up
• Roxb., Fl. Ind. (Roxburgh) 3: 158 (1832).；https://www.biodiversitylibrary.org/page/793452#page/164/mode/1up
• Kurz, Forest Flora of British Burma 1: 145 1877；https://www.biodiversitylibrary.org/page/36442199#page/177/mode/1up

Part III

• Kostermans, A. J. G. H. 1950 Notes on Pterospermum R. Br. (Sterculiaceae) REINWARDTIA 1 (1): 41-49