Lactarius deterrimus
... that eating Lactarius deterrimus causes red urine?
... that eating <i id="mwEeI"><b id="mwEeM"><a href="./Lactarius_deterrimus" id="mwEeQ" rel="mw:WikiLink" title="Lactarius deterrimus">Lactarius deterrimus</a></b></i> <i id="mwEeU">(pictured)</i> causes red <a href="./Urine" id="mwEeY" rel="mw:WikiLink" title="Urine">urine</a>?