The structure and development of sporoderm of Lepisorus thunbergianus (Kaulf.) Ching(Polypodiaceae) Structure and Development of Sporoderm of Lygodium japonicum (Thunb.) Sw.(Lygodiaceae) Development of Sporoderm and Their Taxonomic Significance in the Fern Pteris vittata L.(Pteridaceae) Genetic analysis of meiotic behavior difference in plants from the same population of Zephyranthes grandiflora Structure and Development of the Sporoderm in Coniogramme japonica (Thunb.) Diels (Hemionitidaceae) Genetic Analysis of Male Gamete Abortion in Pinellia ternata Analysis of Protein Expression at Different Microspore Development Stages in Wheat Cultivar Shaannong 138 Cytological Observation of Partial Sterility of Nucleic Male Sterile Line ms86-1 in Sesame (Sesamum indicum) Ultrastructure of Microspore Development in Jatropha curcas L. Morphogenesis and Development of Gonocormus minutus(Blume) Bosch Spore(Hymenophyllaceae)