异配子的

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.

摘要同型蕨类体可经由同体自交、体交两类育系统或以生殖方式产生，体交又可分为体自交体交两种方式。