Tetsuo Koyama

1935

• Classification of the family Cyperaceae
• Materials toward a monograph of the genus Smilax
• A new natural hybrid of Scirpus Sect. Taphrogeton from Japan
• Available knowledge of the flora of Japan and its neighbouring regions
• Botany of the Guayana Highlands
• Concerning the Japanese species of the series Multicaules Svenson of the genus Eleocharis R. Br
• Concerning the variants of the Carex sachalinensis group taxonomic studies of Cyperaceae 13
• Contributions to the Cyperology of Taiwan and the Ryukyus
• Critical taxa of grasses with North American and eastern Asiatic distribution
• Cyperus orbicephalus, new generic status of Scirpus orbicephalus Beetle
• Delimitation and classification of the Cyperaceae-Mapanioideae
• Diplacrum africanum newly found in tropical America