List of plant specimens collected in Unzen, Japan, stored in the Nagasaki University Herbarium

Volcano Unzen is located at the center of Shimabara Peninsula, western Kyushu, Japan. It erupted in November 1990 after a 198-year dormant period since the 1792 eruption. The volcanic activity has continued until 1995, and badly damaged plant and animal life of Mt. Fugen-dake, the central cone of the volcano. The present paper is a list of plant specimens collected by the late Saburo TOYAMA (1902-1986), Professor of Botany at the Faculty of Liberal Arts and his students, during the period of 1920\u27-1970\u27s, from every corner of the Unzen area before the 1990 eruption. The list enumerates 1386 specimens and 406 species, consisting of 371 spermatophytes and 35 pteridophytes