This study means significant to the ontogeny of Isoetes.

本研究对水韭属植物个体有借鉴意义。

Most of these genes have not been reported to relate to the haematogenesis in ontogeny.

这些基因大多数在胚胎分化造血中的作用尚未见报道。

The ontogeny of epiphyllous microsporangia Ginkgo indicated that the microsporophyll in Ginkgo is of phyllome origin.Possibly, the epiphyllous microsporangia is a peculiar chimera.

叶小银杏的个体，表明银杏的小叶有叶性来源的性质，叶小银杏可能是一种奇特的嵌合体。

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.

摘要同型蕨类的体可经由同配体自交、异配体交配两类配系统或以无配殖的方式产，异配体交配又可分为异配体自交和异配体异交两种方式。