I think these are the Rhysomorphs from nearby Gymnopus androsaceus.
Placeholder name. Spores do not match anything I can find.
3-3.5 X 2.5-3 µm.
Senescent mushroom with very strange blade like stem and distorted cap, reminiscent of fasciation in plants. See full photo set for details. Anyone know what's going on with this fungus?