I want to get more mushroom's, how do i do it?

Sell wolves, put males up for stud, sell relics/food, participate in contests, sell art, and explore.

Exploring is the biggest money maker. Kill all enemies and prey you come across, itll make you a lot of mush

Joining alliances has helped me a lot with mush. You can get 25 mush a certain amount of times a day (I think it's 4) when your alliance wins a battle. It adds up quick if you are part of good battle alliances.