Cortinarius semisanguineus

''Cortinarius semisanguineus'' is a medium-sized mushroom with a pale brown to ochre cap, and bright blood-red gills. It belongs to the genus ''Cortinarius'', a group collectively known as webcaps. It is found growing in conifer plantations, and has recently been given the fanciful common name of surprise webcap. In the past it has been called the red-gilled webcap.