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Postia ptychogaster, commonly known as the powderpuff bracket, is a species of fungus in the family Fomitopsidaceae. The fungus, which is found in Europe, resembles a powdery cushion that fruits on stumps and logs of rotting conifer wood. In this stage of its life cycle, the "cushion" is a mass of chlamydospores.
References
Roberts, P.; Evans, S. (2011). The Book of Fungi. Chicago, Illinois: University of Chicago Press. p. 413. ISBN978-0-226-72117-0.
