Seems to be Hypogymnia but uncertain of sp.
This specimen with very long lobes has colonised the top of a pine limb on a fallen rotting tree
Lichen on tree trunks.
From my archives.
Dog Valley Rd Meadow
I took this picture while I was visiting my family in Chicago. There were different shapes and sizes around the yard. I notice that this mushroom was round while the others were flat.
Lobes elongated +/- parallel sided, faveolate and [I think] somewhat infected with black beech smut which was present on nearby trees.
Host not noted but forest is mixed podocarp/beech.
Thallus divides randomly, with very rugose brown undersurface displaying white patches and short white growths, medulla white. Apothecia few on this specimen, deeply cupped, reddish surface. Uncertain if black specks on ridges and edges of upper thallus surface are an attacking fungus or part of plant. They seem to be rather evenly spaced apart.
A fungus (/ˈfʌŋɡəs/; plural: fungi or funguses) is a member of a large group of eukaryotic organisms that includes microorganisms such as yeasts and molds (British English: moulds), as well as the more familiar mushrooms. These organisms are classified as a kingdom, Fungi, which is separate from plants, animals, protists and bacteria. One major difference is that fungal cells have cell walls that contain chitin, unlike the cell walls of plants and some protists, which contain...