Favolaschia calocera, commonly known as the orange pore fungus, is a species of fungus in the family Mycenaceae. Due to its form it is also known as orange pore conch or orange Ping-Pong bat. Throughout much of its expanded range F. calocera is now considered an invasive species. It colonizes ruderal sites along transport routes and can become dominant in habitats disturbed by human activity. Mycologists fear that it may be displacing native fungi species as it spreads through the paleotropics.

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