A taxonomic revision of Lepisorus sect. Hymenophyton (Polypodiaceae) from China A Study on the Synstematics of the Genus Lepisorus (Poiypodiaceae) Taxonomic revision of Lepisorus (J. Sm.) Ching sect. Lepisorus (Polypodiaceae) from China A TAXONOMIC REVISION ON LEPISORUS CLATHRATUS(CLARKE) CHING C0MPLEX IN THE SINO-HIMALAYAN REGION Taxonomic Revision of Lepisorus sectSclerophyllon (Polypodiaceae) from China COMPARATIVE ANATOMY ON THE STIPES AND RHIZOMES OF THE FERN GENUS LEPISORUS Cytotaxonomic study of three species of Lepisorus from China(Polypodiaceae) The structure and development of sporoderm of Lepisorus thunbergianus (Kaulf.) Ching(Polypodiaceae)