Microscope images of the cells of <a href="https://en.wikipedia.org/wiki/elodea" class="extiw" title="w:elodea">w:elodea</a>. Original (un color-corrected) images are in the file history.
<a href="//commons.wikimedia.org/wiki/User:Kelvinsong" class="mw-redirect" title="User:Kelvinsong">Kelvinsong</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>