About AKIYAMA Shinobu
About National Museum of Nature and Sci., Tsukuba, JPN
About THIJSSE Gerard
About Nationaal Herbarium Nederland, NLD
About ESSER Hans Joachim
About Botanische Staatssammlung Muenchen, Muenchen, DEU
About OHBA Hideaki
About Univ. Tokyo, Tokyo, JPN
About 植物研究雑誌
About Gymnospermae
About biological classification
About morphology(form)
About sample(statistics)
About Plant taxonomy
About 日本
About 分類
About レクトタイプ
About 原資料
About 裸子植物