This variation seems to be the best fit for the official description, particularly in cap shape. Although the gill colour seems to be quite variable, the colour is either tan as shown or orange/yellow. Thinking about this now, the tan gills may be faded yellow ones.
Common name: None
Found: Native forest
Substrate: Ground
Spore: White
Height: 100 mm
Width: 40 mm
Season: Late Autumn
Edible: No