Mushrooms? – PestcontrolCanada

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Jan 18, 2026

Pest Control Canada

Mushrooms?

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5665 I found these eggs attached to the inside of one of my deck boards. Photo was taken May 2016 from Windsor, ON Canada. Should I be worried?
Thanks for your time. Michelle

These look like small puff ball mushrooms. We are not experts on mushrooms so you may want to check the structural integrity of the deck. Fungus grows on wet decaying wood.