seeds of <i><a href="//commons.wikimedia.org/wiki/Calendula_arvensis" title="Calendula arvensis">Calendula arvensis</a></i> from Steve Hurst, Provided by ARS Systematic Botany and Mycology Laboratory. Turkey, Istanbul.
Steve Hurst
Unknown date<div style="display: none;">Unknown date</div>
<a rel="nofollow" class="external free" href="https://plants.usda.gov/java/largeImage?imageID=caar_001_ahp.tif">http://plants.usda.gov/java/largeImage?imageID=caar_001_ahp.tif</a>