Tapinella panuoides, also known as oyster rollrim and as fan pax from its former binomial Paxillus panuoides, is a species of fungus in the genus Tapinella.
Description
The mushroom has little or no stalk where it emerges from the substrate, with caps up to across. The gills appear to be crimped, forked, or crosshatched close to the base. The spore print is ochre.
Similar species In North America it can be confused with poisonous western jack o'lanterns, edible chanterelle mushrooms, false chanterelles (Hygrophoropsis aurantiaca), Crepidotus, or Phyllotopsis.
Habitat It grows on conifer wood and in lignin-rich humus.
Toxicity Despite its pleasant taste, the species is poisonous.
Potential uses Atromentin is a phenolic compound. The first enzymes in its biosynthesis have been characterised in T. panuoides.Characterization of the atromentin biosynthesis genes and enzymes in the homobasidiomycete Tapinella panuoides. Patrick Schneider, Sarah Bouhired and Dirk Hoffmeister, Fungal Genetics and Biology, Volume 45, Issue 11, November 2008, pages 1487-1496,
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