Studies on the Spore Morphology of Polypodiaceae from Beijing
北京水龙骨科孢子形态的研究

Spores of 4 species belonging to 2 genera of Polypodiaceae were examined under LM and SEM. The spore morphological characters of each species are described. And the differences among the spores of these genera and species are discussed. It seems to contribute to the materials for systematics and palynology of Polypodiaceae.