A new forma called " Euryale ferox salisbury f. Baichitao Rim" is written down in it. In regard to Xanthium genus, chenopoium genus, Aronitum genus, Lycoctnum genus. Atractylodes japonica, Lemnaceae, and Trapaceae. Some information has been given from taxonomical and aecological point of view, where by their peculiarity is made clear.