<a href="//commons.wikimedia.org/wiki/Category:Allium_campanulatum" title="Category:Allium campanulatum">Sierra onion (<i>Allium campanulatum</i>)</a>; plant with 3 flowerheads.  
<ul><li>At about 9000 ft. along High Trail (part of Pacific Crest Trail) from Agnew Meadows to Agnew Pass, <a href="//commons.wikimedia.org/wiki/Category:Ansel_Adams_Wilderness" title="Category:Ansel Adams Wilderness">Ansel Adams Wilderness</a>, Sierra Nevada, California.</li></ul>
<a href="//commons.wikimedia.org/wiki/User:Dcrjsr" title="User:Dcrjsr">Dcrjsr</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>