山羊百科，林文智老師的植物、山岳、攝影紀錄

Part I

• Heibloem & Vorster, Novon 5: 388-394 1995；https://www.biodiversitylibrary.org/page/651916#page/388/mode/1up

Heibloem, P. & Vorster, P. J.；Encephalartos imbricans (Zamiaceae): A new species from Uganda

• Moretti, et al., Ann. Missouri Bot. Gard. 76: 934-938 1989；https://www.biodiversitylibrary.org/page/28000209#page/946/mode/1up

Moretti, Aldo, Paolo De Luca, Jean Pierre Sclavo and Dennis Wm. Stevenson

Part II

• Bertol., Mem. Reale Accad. Sci. Ist. Bologna 3: 264 1851；https://www.biodiversitylibrary.org/item/31788#page/312/mode/1up
• Prain, Bull. Misc. Inform. Kew 1916: 180 1916；https://www.biodiversitylibrary.org/page/11628232#page/218/mode/1up
• Dyer & Verdoorn, Fl. S. Africa (Codd) 1: 28 1966；https://www.biodiversitylibrary.org/page/51374467#page/38/mode/1up
• Prain, Fl. Trop. Afr. [Oliver et al.] 6,1: 352 1916；https://www.biodiversitylibrary.org/page/18088080#page/376/mode/1up
• Schuster, Pflanzenr. (Engl.) 99: 113 1932；https://www.biodiversitylibrary.org/page/16793719#page/129/mode/1up