homosporous

1.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.

摘孢子蕨类孢子体可经由配子体自、异配子体配两类配育系统或以无配方式产，异配子体配又可分为异配子体自和异配子体异两种方式。