onion-stalk parasol

Leucocoprinus cepistipes (often spelled cepaestipes), is a species of fungus in the family Agaricaceae. It is typically found on wood debris, such as wood chips but may also grow in potted plants or greenhouses. Typical characteristics include a fine-scaled bell-shaped cap, a partial veil, and a tendency to bruise a yellow to brown when handled. The species is edible, but not very palatable.