Jack-O-Lantern Season

Jack-O-Lantern Mushroom (Omphalotus illudens)

Maybe not the Jack-O-Lantern that first comes to mind. This one is a fungus. And a mushroom that is toxic to humans whether they are eaten cooked or raw. This one can easily be confused with edible Chanterelles. Don’t eat the Jack-O-Lantern Mushrooms!

This mushroom has a faint glow in the dark, in the gills, while the fungus is young. In order to see that faint glow you must be sure your eyes are adapted to the dark, allowing 15 or 20 minutes for them to adjust. Researchers think this bioluminescence serves as a way to attract insects to the mushrooms. And those insects will provide spore dispersal.

These mushrooms are found in clusters on decaying stumps, and at the base of deciduous trees in eastern North America.

If you are into eating wild mushrooms, be certain you are not eating these Jack-O-Lantern Mushrooms.

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Published by

Brenda Clements Jones

Brenda is a certified Virginia Master Naturalist, a Habitat Defender for Shenandoah National Park, and a devoted fan of Mother Nature. She lives in a cabin in the Blue Ridge Mountains near Shenandoah National Park, and hikes up to the higher elevations of her mountain often to see what nature is up to. Her constant hiking companion is a camera that captures nature as it unfolds through the seasons. It’s her goal to share the natural world around her through her photographs.