Which of the following structure is not related to the life cycle of Funaria?

Step-by-step solution

Funaria is a Bryophyte in which the spore germinates to form a filamentous branched creeping structure called protonema, which is the primary stage, from which develops a secondary stage on which sex organs antheridium and archegonium are formed. Prothallus is a gametophyte found in Pteridophytes.