bisporella citrina, commonly known as yellow fairy cups or lemon discos, is a species of fungus in the family helotiaceae.

autumn background bark beautiful beauty biology bisporella botany brown calycella citrina close closeup clusters color colorful cups decaying deciduous dense detail diameter drop flora forest fresh fruit fruiting fungi fungus golden green groups lemon life lost macro mould mushroom mushrooms mycology nature orange organic outdoor park plant produces season small stalks texture textured tiny wild wood yellow