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.
摘要同型孢蕨类的孢经由同配自交、异配交配两类配育系统或以无配生殖的方式产生,异配交配又分为异配自交和异配异交两种方式。