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.

摘同型孢蕨类的孢体可经由同配体自交、异配体交配两类配育系统配生殖的方式产生，异配体交配又可分为异配体自交和异配体异交两种方式。