English: Y.YAMAMOTO:-Supplemonta Iconum Plantarum Formosanarum Pars quinta,published by the Department of Forestry,Goberment Research Institute,Taihoku,April 1932
Japanese: 山本由松氏:-続台湾植物園譜第五〓、〔台湾総督府中央研究所林業部特別報告〕