Entoloma subcarneum (or Leptonia carnea), commonly known as the indigo leptonia, is a mushroom belonging to the subgenus Leptonia of the genus Entoloma.
The dark bluish cap is wide. The gills are lighter and leave a pinkish spore deposit. The bluish stalk is up to 10 cm long and 1.5 cm thick.
It known from California, perhaps exclusively, and is thus rare.