David E. Boufford

John L. Creech

MJP van Oijen (Martien JP van Oijen)

Forer (Numata) Kuniko (Forer Numata Kuniko)

Gerard Thijsse

Mt. Mikawachi

Akiko Mikawachi

Takenori Sasaki

Yoko Uchijo

Taiki Kitayama

Natsuhiko Yoshikawa

Yotaro Tsukamoto

Hideaki Ohba

Ritsuro Miyawaki

Shinichiro Kawada

Japan Botanical Friends Association

Japanese Botanical Illustration Club

Hiroshi Ikeda

Yasuhiro Asai

Takuya Kiyoshi

Tokuhei Tagai

Shinobu Akiyama

Chikao Nishiguchi

Takeshi Toyoda

Koichi Monma