piggyback rosegill
... that the piggyback rosegill mushroom grows parasitically on other mushrooms?
... that the <b id="mwCLw"><a href="./Volvariella_surrecta" id="mwCL0" rel="mw:WikiLink" title="Volvariella surrecta">piggyback rosegill</a></b> mushroom grows parasitically on other mushrooms?