Inocybe violaceocaulis

{{Short description|Species of fungus}}

{{Speciesbox

| image =

| genus = Inocybe

| species = violaceocaulis

| authority = Matheny & Bougher

}}

Inocybe violaceocaulis is a species of mushroom native to Western Australia. Collections had been previously classified as I. geophylla var. lilacina.{{cite journal | author = Matheny PB, Bougher NL| year = 2004 | title = A new violet species of Inocybe (Agaricales) from Urban and Rural Landscapes in Western Australia| journal = Australasian Mycologist | volume = 24 | issue = 1 | pages =7–12}}