(1936) with Fukuyama, Noriaki Short flora of Formosa; or, An enumeration of higher cryptogamic and phanerogamic plants hitherto known from the island of Formosa and its adjacent islands "Kudoa", Taihoku, Formosa;
(1954) Flora Kainantensis: A List of Vascular Plants of Taiwan Plant Taxonomic Laboratory, Faculty of Sciences, Taipei National University, Taipei, Taiwan;
(1933) Phytogeographical position of Japan concerning indigenous genera of vascular cryptogamic plants Taihoku Imperial University, Taihoku, Formosa;