Claim: Gymnopilus rufobrunneus is a species of saprotrophic mushroom in the family Cortinariaceae with a convex hymenium.
Evidence: ecology is saprotrophic Gymnopilus rufobrunneus is a species of mushroom in the family Cortinariaceae. cap is convex gills on hymenium 
gills on hymenium cap is convex Cortinariaceae ecology is saprotrophic