Homosporous ferns produce sporophytes by intra gametophytic selfing, inter gametophytic mating, or apogamy.Gametangium ontogeny, genetic load, and ploidy affect the mating system of each species.
摘孢
蕨类的孢
体可经由
配
体自交、异配
体交配两类配育
以无配生殖的方式产生,异配
体交配又可分为异配
体自交和异配
体异交两种方式。