Monk or shaman - which benefits the most from fungi

[Orruar]

Are you looking to main solo/duo/group?

Solo - Go shaman. While monk can solo fine with fungi, it slows down a lot in the 40s as mobs start doing enough damage to make 15/tick seem tiny. I became addicted to expensive regen pots on my monk around level 40.

Duo - Go with whatever compliments your partner best. If you have a priest friend, definitely go monk.

Group or some of everything - Go with what you like, it doesn't really matter.