<p><i><b><a href="//commons.wikimedia.org/wiki/Betula_occidentalis" title="Betula occidentalis">Betula occidentalis</a></b></i> — Water birch.
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<ul><li>USDA photo</li></ul>
Robert H. Mohlenbrock
1992
USDA NRCS Plants Profile: <a rel="nofollow" class="external text" href="https://plants.usda.gov/java/profile?symbol=BEOC2"><i>Betula occidentalis</i></a>