Ecology and Distribution
Bisporella citrina is saprobic, and so obtains nutrients by breaking down complex organic molecules into simpler ones. Fruit bodies are typically encountered growing in dense clusters on the surface of rotten wood (especially deciduous trees), particularly beech. They have also been found growing on the fruit bodies of the polypore fungus Daedaleopsis confragosa. In a study of the succession of fungi associated with the decay of a 120-year-old healthy beech tree uprooted by strong winds, B. citrina was found on the wood about three years after the fall. It appeared after early colonizers such as Quaternaria quaternata, Tubercularia vulgaris (the anamorph form of Nectria cinnabarina), and Bulgaria inquinans, and was followed by Stereum hirsutum and Nectria cinnabarina.
The widespread fungus is known from North Africa, Asia, Europe, North America, Central and South America, Australia, and New Zealand. It is one of the most common of the small discomycetes.
Read more about this topic: Bisporella Citrina
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