Large fleshy fungi with felty light to dark brown caps, sunken towards the centre. The edge of the cap is typically rolled in on itself. The stalk is central and the gills curve down to meet it (decurrent). The gills are quite thickset and generally buff to ochre becoming darker as the spores mature. Spore print orange to rusty brown. Ectomycorrhizal in Nothofagus forests. Three indigenous species of Austropaxillus have been described and are quite common in undisturbed native forest. Genetically distinct from the macroscopically and biologically similar Northern Hemisphere genus Paxillus. Paxillus involutus is an exotic species found in New Zealand under silver birch and other introduced trees. In central Europe Paxillus has a tradition of being collected and pickled so that it can be used in winter stews. It is now known to contain a cumulative poison that attacks the liver and it is possible that our native species are similar.