Lessing's Arnica, Nodding Arnica
Arnica lessingii
Synonyms: Arnica angustifolia var. lessingii, Arnica lessingii ssp. norbergii
What appears to be nodding arnica as seen atop Cranberry Ridge at Camp Denali within Denali National Park and Preserve.........June 18, 2012.
What may be a cluster of Lessing's arnica as seen on mine tailings atop Quigley Ridge, Denali National Park and Preserve............June 18, 2012. This could also be Arnica frigida with somewhat nodding flower heads.
The photo above shows Lessing's arnica as seen ascending Camp Ridge above Camp Denali in Denali National Park..............June 22, 2007.
The photo above shows Lessing's arnica as seen at Grassy Pass west of Eilson Visitors Center in Denali National Park..............June 27, 2007.
The photo above shows a close-up of the flower head of Lessing's arnica as seen at Grassy Pass west of Eilson Visitors Center in Denali National Park..............June 27, 2007.
The photo above shows a close-up of the basal and lower stem leaves of Lessing's arnica as seen at Grassy Pass west of Eilson Visitors Center in Denali National Park..............June 27, 2007.
The nodding flower head of Lessing's arnica. Photographed at Grassy Pass, Denali National Park..............August 24, 2006.
Lessing's arnica, Grassy Pass, Denali National Park...................August 24, 2006.
The basal leaves of Lessing's arnica, Grassy Pass, Denali National Park...................August 24, 2006.
Paul Slichter