25 September 2017
Fly Agaric
Amanita muscaria
Central Penjajawoc Preserve, Bangor, Maine
photos and ID by Lucy Quimby

This mushroom has a symbiotic relationship with hardwood and conifer trees. Its mycorrhizal filaments attach to the tree's root system and increases water absorption and nutrients in exchange for carbohydrates that the tree forms from photosynthesis.