| Longitudinal section through a fern archegonium |
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With labels
Legend:
1 ovum
2 neck canal cells
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English name: non-descript
Scientific name: non-descript
Familia: non-descript
Classis: Filicopsida
Phylum: Pteridophyta
Regnum: Plantae
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| After fertilization the zygote starts to divide and forms the embryo. The nutrition comes from the surrounding tissue |