Tanoak <i><a href="//commons.wikimedia.org/wiki/Notholithocarpus_densiflorus" title="Notholithocarpus densiflorus">Notholithocarpus densiflorus</a></i> acorn and acorn cups, Big Basin Redwoods State Park, California
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/53484592@N05">Andy Blackledge</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/hockeyholic/6565590571/">DSC_6424</a>