Cortinarius rotundisporus
... that applying potassium hydroxide to the blue and yellow Australian mushroom Cortinarius rotundisporus will turn it pinkish-purple?
... that applying <a href="./Potassium_hydroxide" id="mwCms" rel="mw:WikiLink" title="Potassium hydroxide">potassium hydroxide</a> to the blue and yellow <a href="./Australia" id="mwCmw" rel="mw:WikiLink" title="Australia">Australian</a> mushroom <i id="mwCm0"><b id="mwCm4"><a href="./Cortinarius_rotundisporus" id="mwCm8" rel="mw:WikiLink" title="Cortinarius rotundisporus">Cortinarius rotundisporus</a></b></i> will turn it pinkish-purple?