山羊百科，林文智老師的植物、山岳、攝影紀錄

Part I

Part II

• Merr., Bibl. Enum. Bornean Pl. 567 1921；https://www.biodiversitylibrary.org/item/42306#page/571/mode/1up

Part III

1. Wong, Khoon Meng, Ridha Mahyuni, Xin Yi Ng, Louise Neo 2018 Flora of Singapore Precursors, 8. Systematy of the new Southeast Asian genera Canthiumera and Dibridsonia (Rubiaceae: Vanguerieae), with notes on plant architecture and reproductive ecology REINWARDTIA 17(2):101–124