Summary[edit] Description: English: Species from Oklahoma and Arkansas Common name: Threadleaf ironweed Photographed at Cossatot River State Park/Natural Area, Howard County, Arkansas. Date: 4 July 2018, 06:20:20. Source: Own work. Author: Eric Hunt.
Summary[edit] Description: English: Vernonia noveboracensis at the New York Botanical Garden. Date: 30 August 2016, 23:25:35. Source: Own work. Author: Krzysztof Ziarnek, Kenraiz.
Summary[edit] Description: A species of tropical Africa, known as Ironweed and appreciated for its seed oil. Photo from Chimwadzulu area of Malawi. Date: 18 February 2016, 13:02. Source: Vernonia galamensis. Author: Dick Culbert from Gibsons, B.C., Canada.