Abstract: Spore morphology of 2 species of genus Ceratopteris from China was examined by SEM and TEM. Each spore was described detailed. The taxonomic status of Ceratopteris was discussed. The spore morphology of the genus is uniform, trilete, cosate, radiosymmetric. Exospore swells to form contour of the spore ornamentation. Perispore thin, consist of rodlets or grana in high magnification. At the point of spore morphology, it is right that Ceratopteris has been placed monotypic family Parkeriaceae. It is the close relation with Mohria. Its status maybe is between Lygodiaceae and Hemionitidaceae.

Key words: Ceratopteris, Spore morphology, China