Mammillaria formosa - Doctor Arroyo, Nuevo Leon
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/9243304@N04">Amante Darmanin</a>
CC BY 2.0
<a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/9243304@N04/5762034566">Mammillaria formosa (arroyensis)</a>