Asteraceae
Plains ironweed
Vernonia marginata
- Family
- Asteraceae
- Genus
- Vernonia
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Common names
By language (1)
- English
- Plains ironweed
Synonyms
- Cacalia marginata (Torr.) Kuntze
- Vernonia altissima var. marginata Torr.
- Vernonia jamesii Torr. & A.Gray
- Vernonia marginata var. tenuifolia (Small) Shinners
- Vernonia tenuifolia Small
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos

Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons Photo: Jaime therealmusicjunkie, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons 
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons 
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons
More in Vernonia
- Vernonia amygdalinaAsteraceae
- New York ironweedVernonia noveboracensisAsteraceae
- Giant ironweedVernonia giganteaAsteraceae
- Arkansas ironweedVernonia arkansanaAsteraceae
- Vernonia arboreaAsteraceae
- Baldwin's ironweedVernonia baldwiniiAsteraceae
- Prairie ironweedVernonia fasciculataAsteraceae
- Missouri ironweedVernonia missuricaAsteraceae
- Tall ironweedVernonia angustifoliaAsteraceae
- Vernonia cockburnianaAsteraceae
- Vernonia djalonensisAsteraceae
- Narrowleaf ironweedVernonia lettermanniiAsteraceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.