Piscataqua Landscaping and Tree Service - Meet the Jack O'Lantern Mushroom! (Also known as Omphalotus olearius.) This fungus grows around oak trees, but generally indicates that the tree is in poor health.
Jack O'Lantern - (Omphalotus olearius) - Mushroom Mountain
The poisonous mushroom that glows in the dark
Omphalotus olearius (The Jack O'Lantern Mushroom)
Jack-O-Lantern - Bay Area Mycological Society
1,855 Jack O Lantern Mushroom Stock Photos, Pictures & Royalty-Free Images - iStock
Jack-o-lantern mushrooms are poisonous, Missouri experts say | The Kansas City Star
Jack-o'-Lantern | Missouri Department of Conservation
Omphalotus illudens (MushroomExpert.Com)
Guest post. Jack O'lanterns: Pumpkins and turnips and fungi, Oh My! | Plant Scientist
An adventure with Omphalotus :Cornell Mushroom Blog