A guide covering edible mushrooms of British Columbia Canada including the Vancouver area, the Gulf Islands, Haida Gwaii, and the Kootenay, Yoho, Mount . - Here are a few ways you can positively identify the western giant puffball mushroom in BC: White, potentially with beige tint. Up to 60 cm wide. Wide, oval, potentially with scaled or textured surface. Flesh is firm and all white. No gills or "typical mushroom" shape inside. Can grow alone or in c.ers..Mushroom foraging is gaining popularity in southern Vancouver Island. Sol goes along with a local forager to learn about various types..42 results - Warning: Before eating any wild mushrooms, be sure of their iden.y. Check your finds at meetings of your regional mushroom club orociation..