Yellow swamp russula

''Russula claroflava'', commonly known as the yellow swamp russula or yellow swamp brittlegill, is a basidiomycete mushroom of the genus ''Russula''. It is found in wet places under birch and aspen woodlands across Europe and North America. It has a yellow cap, white gills and stipe and bruises grey. It is mild-tasting and regarded as good to eat.