<i>Betula × sandbergii</i> (Sandberg's Birch) - Dufferin County, Ontario, Canada
<a rel="nofollow" class="external text" href="https://www.inaturalist.org/people/reuvenm">Reuven Martin</a>
<a rel="nofollow" class="external free" href="https://www.inaturalist.org/observations/8004244">https://www.inaturalist.org/observations/8004244</a>