About TANAKA Norio
About National Museum of Nature and Sci., Ibaraki, JPN
About HORIUCHI Yuju
About Univ. Tsukuba, Ibaraki, JPN
About DUANG Yujian
About Univ. Tsukuba, Ibaraki, JPN
About HASEGAWA Seri
About Univ. Tsukuba, Ibaraki, JPN
About NAGATA Shoh
About Specified Nonprofit Corp. AQUA CAMP, Ibaraki, JPN
About KAMIJO Takashi
About Univ. Tsukuba, Ibaraki, JPN
About Bulletin of the National Museum of Nature and Science. Series B. Botany
About wild plant
About extinction
About net
About protection
About reproductive behavior
About aquatic plant
About herbivory
About Rana catesbeiana
About tadpole(frog)
About Procambarus clarkii
About number(mathematics)
About inflorescence
About population
About Survival
About extinct species
About herbivore
About Reintroduction
About Plant taxonomy
About Plant ecology
About 絶滅種
About 網
About 生存
About 繁殖