This study means significant to the ontogeny of Isoetes.

本研究对水韭属植物个具有借鉴意义。

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.

叶小孢子囊银杏个，表明银杏小孢子叶有叶性来源性质，叶小孢子囊银杏可能是一种奇特嵌合。

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.

摘要同型孢子蕨类孢子可经由同配子自交、异配子交配两类配系统或以无配殖方式产，异配子交配又可分为异配子自交和异配子异交两种方式。