Lichenomphalia umbellifera, Bellingham WA, 2019
by Fred M. Rhoades 2023-07-23 19:15
Taken cha-cha with Sony A7RIII mirrorless.
This is the mushroom lichen. The thallus is the greenish "scum" which consists of little balls of green algae intermingling with the mycelium that produces the mushrooms. This fungus gets all its food from the photosynthetic output of these green algae.