2014 Richard Spellenberg   cc-by-nc-sa-3.0

Arnica rydbergii (Rydberg's Arnica) is a species of perennial herb in the family Asteraceae. They are native to Canada and The Contiguous United States. Flowers are visited by Phoebus Parnassian, Boloria titania, Arctics, and Lycaena cupreus snowi.

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EOL has data for 7 attributes, including:

Known occurrences, collected specimens and observations of Rydberg's arnica. View this species on GBIF