<i><a href="https://en.wikipedia.org/wiki/Cystoseira" class="extiw" title="w:Cystoseira">Cystoseira granulata</a></i>.  Cyanotype photogram.
<bdi><a href="https://en.wikipedia.org/wiki/en:Anna_Atkins" class="extiw" title="w:en:Anna Atkins"><span title="English botanist and photographer (1799-1871)">Anna Atkins</span></a>
</bdi>
between 1843 and 1853 <div style="display: none;">date QS:P,+1850-00-00T00:00:00Z/7,P1319,+1843-00-00T00:00:00Z/9,P1326,+1853-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external text" href="https://digitalcollections.nypl.org/items/510d47d9-4b3f-a3d9-e040-e00a18064a99"><i>Photographs of British Algae: Cyanotype Impressions</i></a> (1843)