<p><strong>Mountain Ash</strong></p><ul><li>The European mountain ash, <em>Sorbus aucuparia</em>, having pinnate leaves and clusters of bright red berries.</li><li>Either of two American mountain ashes, <em>Sorbus americana</em> or <em>S. sambucifolia</em>.</li><li>The berry of any of these trees.</li></ul><p><strong>End of Response</strong></p>