Polyozellus multiplex

''Polyozellus'' is a fungal genus in the family Thelephoraceae, a grouping of mushrooms known collectively as the leathery earthfans. A monotypic genus, it contains the single species ''Polyozellus multiplex'', first described in 1899, and commonly known as the blue chanterelle, the clustered blue chanterelle, or, in Alaska, the black chanterelle.