Lemon Disco Taken at Strathclyde Park  on 11th December 2020 using Panasonic Lumix LX5 in macro mode. Lemon Disco. Species: Order: Family: Bisporella citrina. Leotiales. Helotiaceae.   Habitat: Season: Edibility: Rotting trunks and stumps of broadleaf trees, particularly oaks. Fruiting in late summer, autumn and early winter Edible but too small to bother about When picking any fungus for consumption, caution should be exercised at all times.