The Narwhal https://thenarwhal.ca Deep Dives, Cold Facts, & Pointed Commentary en-US Copyright 2026 The Narwhal hourly 1 Spore loser: the DIY mushroom-growing trend invading Ontario forests https://thenarwhal.ca/golden-oyster-mushrooms-invasion/ Tue, 31 Mar 2026 12:00:00 +0000 https://thenarwhal.ca/?p=157462 Golden oyster mushrooms are spreading fast, altering how Ontario’s forests grow, decompose and nurture important native ’shrooms Leah Borts-Kuperman News biodiversity Great Lakes Ontario Photo: Aishwarya Veerabahu Yellow golden oyster mushrooms grow in tight clusters on a tree stump.