Now that, is a big mushroom.

From the editorial note attached to the paper (Fomitiporia ellipsoidea has the largest fruiting body among the fungi, Dai and Cui 2011) announcing the discovery:

Punch sampling of tissues sufficed for molecular identification, allowing this basidiomycete sex organ to continue its business and to marvel visitors to Hainan Island.

— Nicholas P. Money

Haha sex