Fluffy "cotton" and seeds from an eastern cottonwood tree (P. deltoides subsp. deltoides)
<a href="//commons.wikimedia.org/wiki/User:EnLorax" title="User:EnLorax">EnLorax</a> <a rel="nofollow" class="external text" href="http://edwardjohnson.com/">G. Edward Johnson</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>