Category
page 1Taxa named by Gen-ichi Koidzumi

Eutrema japonicum
Wasabi (Japanese: , , or , ) or Japanese horseradish (Eutrema japonicum syn. Wasabia japonica) is a plant of the family Brassicaceae, which also includes horseradish and mustard in other genera. The plant is native to Japan, the Russian Far East including Sakhalin, and the Korean Peninsula. It grows naturally along stream beds in mountain river valleys in Japan.
Juniperus lutchuensis
species of plant

Viola utchinensis
species of plant

Ajania rupestris
species of plant

Macromeles
Macromeles is a genus of flowering plants in the rose family, Rosaceae. It includes two species native to Asia.
Macromeles formosana – Taiwan
Macromeles tschonoskii – Japan