bs.html" class="external-link">labs</a></span><span class="op">(</span>colour <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/expression.html" class="external-link">expression</a></span><span class="op">(</span><span class="fu">italic</span><span class="op">(</span><span class="st">"Oncorhynchus"</span><span class="op">)</span><span class="op">)</span><span class="op">)</span> <span class="op">+</span></span>
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