Russula subpunctata 

Russula subpuncta 0798

Russula subpunctata Kauffman

has reddish-pink convex cap mottled with white spots, especially in the center where it becomes depressed in age. The cap skin is barely removable. The flesh is white and the taste is acrid. The white then pale cream gills are broadly attached, shorter at both ends, and closely spaced. The gill edge is often reddish. Spore print is cream to pale yellow. Russula subpunctata can be found in summer and early autumn in deciduous forests, especially under oak, beech or hickory. Taste is immediately acrid. Not edible. It is in the Russulaceae family of the Russulales.