Calonarius cupreorufus

Calonarius cupreorufus is a species of fungus in the family Cortinariaceae.

Taxonomy
It was first described in 1994 by the mycologist Tor Erik Brandrud who classified it as ''Cortinarius cupreorufus. ''

In 2022 the species was transferred from Cortinarius and reclassified as Calonarius cupreorufus based on genomic data.

Habitat and distribution
It is native to Europe.