Habitat: Hardwoods, especially beech and oak
Conservation Status: Not of concern
Cap: 5-12 cm wide, hemispheric to convex when young, becoming nearly plane, sometimes with an umbo; surface dry, smooth, white at first, becoming creamy white, quickly staining yellow to dull yellow or brown when handled or in age. Flesh: white; odor highly variable based on reports in the literature, described as stinking, sulfurous, slightly farinaceous, pungent, disagreeable, like coal tar, sometimes with a coconut or other fruity component; taste mild or somewhat acrid. Gills: emarginate to adnate or adnexed, narrow, close; white to creamy white, becoming yellowish in age, especially near the edge. Stalk:3-10 cm long, 1-3 cm thick, clavate when young, becoming nearly equal, dry, smooth to somewhat fibrillose; white at first, becoming creamy white to yellow, staining yellow when handled or in age.
Sources: Bessette, Alan E., Arleen R. Bessette, William C. Roody, and Steven A. Trudell. Trichoolomas of North America. Austin, University of Texan Press, 2013.
PNW Herbaria: Specimen records of Tricholoma sulphurescens in the Consortium of Pacific Northwest Herbaria database
CalPhotos: Tricholoma sulphurescens photos