Syzygospora  mycetophila on  Gymnopus dryophilus

Fruitbodies are gelatinous pale tan, 2 mm to 2 cm or more across and equally high. They forming convoluted brain-like masses on infected fungi. Widespread and common, this parasitic jelly fungus fruits on the caps and stalks of Collybia dryophila during wet periods. Several related species can only be distinguished microscopically. Also known as Christiansenia mycetophila. Reported as edible but tasteless.