This is one of but a few of blue-green fungi species. The cap grows up to 8cm across, and is sticky and peppered with small white veil fragments. The stem grows up to 6cm long, is bluish-green with erect whitish scales below the ring zone, and paler and smoother above. The gills are pale grey to begin with, becoming dark brown as the mushroom matures.
It can be seen July to October, and it is usually found in small groups in grass and leaf litter, in woodland, waste ground, parks and gardens. Common and widespread.