Native Plants
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Arnica rydbergii
Arnica rydbergii Greene
Rydberg's Arnica
Asteraceae (Aster Family)
Synonym(s): Arnica cascadensis
USDA Symbol: ARRY
USDA Native Status: L48 (N), CAN (N)
Plant Characteristics
Duration: PerennialHabit: Herb
Size Notes: Up to about 14 inches tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.
Bloom Information
Bloom Color: YellowBloom Time: Jul , Aug
Distribution
USA: CO , ID , MT , OR , SD , UT , WA , WYCanada: AB , BC
Additional resources
USDA: Find Arnica rydbergii in USDA PlantsFNA: Find Arnica rydbergii in the Flora of North America (if available)
Google: Search Google for Arnica rydbergii
Metadata
Record Modified: 2015-02-10Research By: TWC Staff