Arnoglossum diversifolium is a North American species of Arnoglossum and the sunflower family. It is native to the southeastern United States, the states of Florida, Georgia, and Alabama.

Arnoglossum diversifolium is a large plant sometimes as much as 300 cm (120 inches or 10 feet) tall. It has white or purple flower heads. The species generally grows in wet soil in swamps or along streambanks.

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