Rhodocollybia maculata var. scorzonerea 

Rhodocollybia maculata var. scorzonerea 03593

 

Rhodocollybia maculata var. scorzonerea (Batsch) Lennox

This mushroom looks like Rhodocollybia maculata, except that it tends to be more yellow than white or off-white and it is smaller. Like Rhodocollybia maculata it bears rust-reddish spots and markings throughout, has close, narrow gills and is a degrader of dead conifer debris. It is in the Marasmiaceae family of the Agaricales order.