the grey knight (tricholoma terreum) is an edible mushroom

mushroom fungi fungus agaric mycology nature forest wood woodland autumn pick background macro closeup edible food eatable comestible esculent tricholoma terreum grey knight grauer erdritterling petit gris muisgrijze ridderzwam jordfarvet ridderhat grayen jordmusserong jordmusseron harmaavalmuska negrilla fredolic agarico terreo stacked