Ironweed (Vernonia concinna)

Same genus

• Bitterleaf (Vernonia amygdalina)
• Stemless ironweed (Vernonia acaulis)
• Arkansas ironweed (Vernonia arkansana)
• Baldwin's ironweed (Vernonia baldwinii)
• Florida ironweed (Vernonia blodgettii)
• Tennessee ironweed (Vernonia flaccidifolia)
• Giant ironweed (Vernonia gigantea)
• Broadleaf ironweed (Vernonia glauca)

The whole genus Ironweed (Vernonia)