Shot of poison
I think this is a scutellinia scutella, aka eyelash cup, but it's much larger than the ones I've shot in the past; 2cm or so. Very bright and noticable from where it fruited on a log. OM 90mm at probably f5.6.
OM 90mm f2 macroWIWisconsinautumnclose upfallforestforest floorfungusmacromushroommushroomsnatureredsquarewoods