Nodding Arnica, Serpentine Arnica
Arnica cernua
Serpentine arnica as seen along Eight Dollar Mountain Road at the southwest corner of Eight Dollar Mountain, Siskiyou region of Oregon...........April 29, 2012.
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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