Cortinarius atroviolaceus is a fungus native to Borneo, where it was originally collected by E.J.H.

Corner on the slopes of Mount Kinabalu in 1964 and described by Meinhard Michael Moser in 1986.

[1] Specimens from New Zealand classified as this species are probably a different species.

[2] The mushroom is wholly dark purple with slightly paler flesh, and resembles Cortinarius violaceus though is smaller.

This Cortinariaceae-related article is a stub.