Arnica chamissonis (Chamisso Arnica) is a species of perennial herb in the family Asteraceae. They are native to The Contiguous United States, Alaska, and Canada. They have yellow flowers. Flowers are visited by Tharsalea editha, Lorquin's Admiral, Euphydryas anicia, and Speranza simplex. Individuals can grow to 2.5 feet.
EOL has data for 69 attributes, including: