Tricholoma myomyces

''Tricholoma myomyces'' is a mushroom of the agaric genus ''Tricholoma'', usually considered to be a synonym of ''Tricholoma terreum''. The species was first described scientifically by Christian Hendrik Persoon in 1794 as ''Agaricus myomyces'', and later transferred to the genus ''Tricholoma'' by Danish mycologist Jakob Emanuel Lange in 1933. It is found in Europe and northern North America.