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2015 Barry Breckling   cc-by-nc-sa-3.0

Arnica discoidea (Rayless Arnica) is a species of perennial herb in the family Asteraceae. They have a self-supporting growth form. They are native to The Contiguous United States. They have simple, broad leaves. Individuals can grow to 6 dm.

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EOL has data for 16 attributes, including:

Known occurrences, collected specimens and observations of rayless arnica. View this species on GBIF