<i>Jacobaea vulgaris</i> Gaertn. (Syn. <i>Senecio jacobaea</i> L. var. <i>nudus</i> Weston)
<bdi><a href="https://en.wikipedia.org/wiki/en:Jan_Kops" class="extiw" title="w:en:Jan Kops"><span title="Dutch botanist (1765-1849)">Jan Kops</span></a>
</bdi>
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