1.Apomixes is comparable to the conditions of apogamy and apospory, which are seen in many ferns.
在许多蕨类植物中常见的无融合包括无配和无。
2.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.