Species
Arnica cernua (Serpentine arnica)
Arnica cernua. Photo: (c) Christian Schwarz, some rights reserved (CC BY-NC)
Arnica cernua is a species of arnica known by the common name serpentine arnica. It is native to the Klamath Mountains of northern California and southern Oregon, where it is a member of the serpentine soils flora.
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