homosporous

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.

摘要同型孢子蕨类的孢子体经由同子体自、异子体两类育系统或以无生殖的方式产生，异子体分为异子体自和异子体异两种方式。