2 200406 Carex kobomugi Ohwi
J. Ohwi, Flora of Japan (in English): t. 1, fig. 1-19 (1965) [J. Koyama]

2 201074 Carex macrocephala Willd. ex Sprengel
J. Ohwi, Flora of Japan (in English): t. 1, fig. 20-29 (1965) [J. Koyama]

2 176942 Calanthe oblanceolata Ohwi & T.Koyama
J. Ohwi, Flora of Japan (in English): t. 3 (1965) [J. Koyama]

1 623202 Luisia teres (Thunb.) Blume [181 387839 Epidendrum teres Thunb.]
J. Ohwi, Flora of Japan (in English): t. 4 (1965) [J. Koyama]

2 277460 Corydalis ochotensis Turcz.
J. Ohwi, Flora of Japan (in English): t. 6 (1965) [J. Koyama]

193639 Cardamine appendiculata Franch. & Sav.
J. Ohwi, Flora of Japan (in English): t. 7 (1965) [J. Koyama]

1 603508 Ligularia stenocephala (Maxim.) Matsum. & Koidz. [181 938377 Senecio stenocephalus Maxim.]
J. Ohwi, Flora of Japan (in English): t. 17 (1965) [J. Koyama]