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

Rydberg's Arnica, Subalpine Arnica, Subalpine Leopardbane

Arnica rydbergii

Synonym: Arnica aurantiaca

Rydberg's Arnica, Subalpine Arnica, Subalpine Leopardbane: Arnica rydbergii (Synonym: Arnica aurantiaca)

A close-up of the flower head of Rydberg's arnica as seen in the on the Olympic Peninsula........July 2008.

Rydberg's Arnica, Subalpine Arnica, Subalpine Leopardbane: Arnica rydbergii (Synonym: Arnica aurantiaca)

A close-up sideview of the flower head and involucral bracts of Rydberg's arnica as seen in the on the Olympic Peninsula........July 2008.

Rydberg's Arnica, Subalpine Arnica, Subalpine Leopardbane: Arnica rydbergii (Synonym: Arnica aurantiaca) - Rydberg's Arnica, Subalpine Arnica, Subalpine Leopardbane: Arnica rydbergii (Synonym: Arnica aurantiaca)

2 additional views of Rydberg's arnica as seen in the on the Olympic Peninsula.......July 2008. Click each photo to see an enlarged view.

rydbergii/rydbergii3b.jpg - Rydberg's Arnica, Subalpine Arnica, Subalpine Leopardbane: Arnica rydbergii (Synonym: Arnica aurantiaca)

Rydberg's Arnica, Subalpine Arnica, Subalpine Leopardbane: Arnica rydbergii (Synonym: Arnica aurantiaca) - Rydberg's Arnica, Subalpine Arnica, Subalpine Leopardbane: Arnica rydbergii (Synonym: Arnica aurantiaca) - Rydberg's Arnica, Subalpine Arnica, Subalpine Leopardbane: Arnica rydbergii (Synonym: Arnica aurantiaca)

What might be rydberg's arnica as seen on gravelly soils at the head of Badger Valley, Olympic National Park.........July 25, 2014. If not Arnica rydbergii, then it might be A. gracilis?.

Paul Slichter