Movie 1.
Wild-type archegonium before fertilization. Confocal 3D reconstruction (Z-stack) of a wild-type unfertilized mature gametophyte showing an archegonium (female gametangium) with neck cells and a venter containing a ventral canal cell and an egg cell.
LEAFY demonstrates functions in reproductive development of the gametophyte but not the sporophyte of the fern Ceratopteris richardii
Development 2026. 153:None-None; doi: 10.1242/dev.204808