<i><a href="//commons.wikimedia.org/wiki/Euphorbia_rigida" title="Euphorbia rigida">Euphorbia rigida</a></i> in a garden in Berkeley.
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/15845498@N00">Seán A. O'Hara</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/15845498@N00/2213493392">Flickr</a>