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.
摘要同型蕨类的
体可经由同配
体自交、异配
体交配两类配育系统或以无配
殖的方
,异配
体交配又可分为异配
体自交和异配
体异交两种方
。