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Helenium linifolium
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<h2 id="external-links">External links</h2> <ul><li><a href="http://www.tropicos.org/ImageFullView.aspx?imageid=62821">Photo of herbarium specimen at Missouri Botanical Garden, collected in Texas in 1905, isotype of <i>Helenium linifolium</i></a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Flora of North America, Helenium linifolium Rydberg, 1915. Slimleaf sneezeweed <a href="http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066854" target="_blank">http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066854</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Biota of North America Program 2014 county distribution map <a href="http://bonap.net/MapGallery/County/Helenium%20linifolium.png" target="_blank">http://bonap.net/MapGallery/County/Helenium%20linifolium.png</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Turner, B. L. 2013. The comps of Mexico. A systematic account of the family Asteraceae (chapter 11: tribe Helenieae). Phytologia Memoirs 16: 1–100 <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Flora of North America, Helenium linifolium Rydberg, 1915. Slimleaf sneezeweed <a href="http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066854" target="_blank">http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066854</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> </ol>