The spores of the Drynaria roosii Nakaike were cultured in inorganic medium and soil respectively.The spore germination and the gametophyte development were observed by microscope.

• 用无机培养基和土壤培养基分别培养槲蕨孢子，显微镜下观察记录其孢子萌发及配子体形态发育过程。