Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1940)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1917)

Zhongguo jue lei zhi wu tu pu =Icones filicum sinicarum - Beiping Jingsheng Sheng wu diao cha suo. (Metropolitan Museum of Natural History, Academia Sinica ;Fan Memorial Institute of Biology, 1930)

Zhongguo jue lei zhi wu tu pu =Icones filicum sinicarum - Beiping Jingsheng Sheng wu diao cha suo. (Metropolitan Museum of Natural History, Academia Sinica ;Fan Memorial Institute of Biology, 1930)

Zhongguo jue lei zhi wu tu pu =Icones filicum sinicarum - Beiping Jingsheng Sheng wu diao cha suo. (Metropolitan Museum of Natural History, Academia Sinica ;Fan Memorial Institute of Biology, 1930)

Zhongguo jue lei zhi wu tu pu =Icones filicum sinicarum - Beiping Jingsheng Sheng wu diao cha suo. (Metropolitan Museum of Natural History, Academia Sinica ;Fan Memorial Institute of Biology, 1930)