Cortinarius alboviolaceus, a common core in our region and Lepista nuda (Clitocybe nuda):
Cortinarius alboviolaceus has a
dry cap, bulbous base, rusty brown spore print, but
this till mushroom matures sufficiently. In early stages, might see a cortina or
evidence of one on stipe. Also resembles
which has a white spore print. Not recommended.