山羊百科，林文智老師的植物、山岳、攝影紀錄

Part I

• Malesian Euphorbiaceae Descriptions；42. ELATERIOSPERMUM (Euphorbiaceae)；https://www.nationaalherbarium.nl/euphorbs/specE/ElateriospermumT.htm

Part II

Part III

• Hoang Van Sam & P.C. van Welzen. 2004. Revision of Annesijoa, Elateriospermum and the introduced species of Hevea in Malesia (Euphorbiaceae). Blumea 49: 425–440.