Gomphus clavatus
... that "pig's ears", fungal species Gomphus clavatus, are the only Gomphus species in North America?
... that "pig's ears", <a href="./Fungus" id="mwCqY" rel="mw:WikiLink" title="Fungus">fungal</a> species <i id="mwCqc"><b id="mwCqg"><a href="./Gomphus_clavatus" id="mwCqk" rel="mw:WikiLink" title="Gomphus clavatus">Gomphus clavatus</a></b></i>, are the only <i id="mwCqo"><a href="./Gomphus_(fungus)" id="mwCqs" rel="mw:WikiLink" title="Gomphus (fungus)">Gomphus</a></i> species in North America?