山羊百科，林文智老師的植物、山岳、攝影紀錄

Part I

• Chatterjee & Sharma, Fl. India 3: 585-595 1993；Sharma, B. D., M. Sanjappa and N. P. Balakrishnan 1993 FLORA OF INDIA－Portulacaceae-Ixonanthaceae Botanical Survey of India 3: 1-639

• Chung, Tree Flora of Sabah and Sarawak. 2: 167-174 1996 ISBN 983-9592-56-4

Part II

• Pflanzenr. (Engler) https://www.biodiversitylibrary.org/item/56564#page/5/mode/1up