Nodding Arnica, Serpentine Arnica
Arnica cernua
![Nodding Arnica, Serpentine Arnica: Arnica cernua](cernua/cernua1a.jpg)
Serpentine arnica as seen along Eight Dollar Mountain Road at the southwest corner of Eight Dollar Mountain, Siskiyou region of Oregon...........April 29, 2012.
- ![Involucre of Nodding Arnica, Serpentine Arnica: Arnica cernua](cernua/cernua1c.jpg)
Close-up images of the flower head and involucral bracts of serpentine arnica as seen along Eight Dollar Mountain Road at the southwest corner of Eight Dollar Mountain, Siskiyou region of Oregon...........April 29, 2012.
Paul Slichter