Valvata piscinalis
... that although the freshwater snail Valvata piscinalis is widely distributed in some parts of North America where it is non-indigenous, it is endangered in some of its native areas?
... that although the <a class="mw-redirect" href="./Freshwater" id="mwAyk" rel="mw:WikiLink" title="Freshwater">freshwater</a> <a href="./Snail" id="mwAyo" rel="mw:WikiLink" title="Snail">snail</a> <i id="mwAys"><b id="mwAyw"><a href="./Valvata_piscinalis" id="mwAy0" rel="mw:WikiLink" title="Valvata piscinalis">Valvata piscinalis</a></b></i> is widely distributed in some parts of <a href="./North_America" id="mwAy4" rel="mw:WikiLink" title="North America">North America</a> where it is <a class="mw-redirect" href="./Non-indigenous_species" id="mwAy8" rel="mw:WikiLink" title="Non-indigenous species">non-indigenous</a>, it is <a href="./Endangered_species" id="mwAzA" rel="mw:WikiLink" title="Endangered species">endangered</a> in some of its native areas?