[Arnicas West of the Cascade Mountains of Oregon and Washington]

Nodding Arnica, Serpentine Arnica

Arnica cernua

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.

Flower head of Nodding Arnica, Serpentine Arnica: Arnica cernua - Involucre of Nodding Arnica, Serpentine Arnica: Arnica cernua

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