Marchantia polymorpha – Antheridia

This model is one of a series depicting various stages of the complex lifecycle of this tiny liverwort species. Marchantia polymorpha is dioecious, with plants being either male or female and may reproduce sexually or asexually. This model is of an antheridia contain male gametophytes and produces sperm which will fertilise an ovum on a female plant. The fertilised ovum will develop into a small sporophyte, this then produces spores which develop into free living gametophyte plants.