Czech "10px font size" translated version of: "Map of expansion of Giant Hogweed (<i>Heracleum mantegazzianum</i>) in Europe. Created by <a rel="nofollow" class="external autonumber" href="http://www.giant-alien.dk/pdf/Czech%20manual_web.pdf">[1]</a>. Language-independent. SVG format." See: <a href="//commons.wikimedia.org/wiki/File:Expansion_of_hogweed_A.svg" title="File:Expansion of hogweed A.svg">Image:Expansion of hogweed A.svg</a>
<a href="//commons.wikimedia.org/wiki/User:Juan_de_Vojn%C3%ADkov" class="mw-redirect" title="User:Juan de Vojníkov">Juan de Vojníkov</a> (Czech version author), <a href="//commons.wikimedia.org/wiki/User:Petr_K" title="User:Petr K">Petr K</a> (original author)
CC BY-SA 2.5
<span class="int-own-work" lang="en">Own work</span>