Summary[edit] Description: English: Botanical specimen in the Zilker Botanical Garden - Austin, Texas, USA. Date: 18 November 2015, 13:20:26. Source: Own work. Author: Daderot.
Summary[edit] Description: White Snakeroot (Ageratina altissima) blooming in Mount Lebanon, Pennsylvania. Date: 4 September 2015. Source: Own work. Author: Cbaile19.
Summary[edit] Description: English: Ageratina havanensis (als Eupatorium ageratoides) in Warsaw University Botanical Garden. Date: 8 August 2016, 17:43:52. Source: Own work. Author: Krzysztof Ziarnek, Kenraiz.
Instituto de Investigacion Alexander von Humboldt (IAvH). Instituto de Investigacion Alexander von Humboldt (IAvH). Instituto de Investigacion Alexander von Humboldt (IAvH). Year: 2017. Contact: jaguilar@humboldt.org.co.
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