Under Popular and Ash trees in lawn. Solitary or in twos. Pileus top initially smooth, becoming rough with age, pinkish brown to brown in over-mature examples crimson. Pileus slightly domed to flat or dish-shaped. Underside with yellow pores, Stalk pinkish, stout, broader at base.

Skin when exposed yellow rapidly fading to blue and then grey.

Noted during "Twin Streams March 2017 BioBlitz".

I think this is the right name - looks the same as this record - http://naturewatch.org.nz/observations/1360045