Orange Agoseris, Orange Mountain Dandelion, Slender Agoseris: Agoseris aurantiaca var. aurantiaca (Synonyms: Agoseris angustissima, Agoseris arachnoidea, Agoseris aurantiaca ssp. aurantiaca, Agoseris gracilens, Agoseris greenei, Agoseris howellii, Agoseris nana, Agoseris prionophylla, Agoseris subalpina, Agoseris vulcanica)

The photo above shows a close-up of the flower head of orange agoseris as seen at about 4100' atop the ridge that separates the Dairy and Cougar Creek drainages at the southeastern corner of Mt. Adams.............June 11, 2005.

The photo at left shows a close-up sideview of the flower head of orange agoseris as seen at about 4100' atop the ridge that separates the Dairy and Cougar Creek drainages at the southeastern corner of Mt. Adams.............June 11, 2005. Note that the involucral bracts are covered with long, soft, spreading hairs.The image at right shows the Involucral bracts of orange agoseris as seen in moist grassy places along the climber's trail above Hellroaring Overlook, Yakama Nation Tract D Lands at the southeastern corner of Mount Adams..........August 12, 2013.

The photo above shows a basal leaf of orange agoseris as seen in meadows on the north side of Hellroaring Creek adjacent to the Island Springs Trail near Bench Lake on the southeastern side of Mt. Adams.........July 1, 2005.

The photo above shows the achene of orange agoseris. The achene or seed is narrowly elliptical in shape, tapering at both ends. The achene tapers to a narrow, long beak which in turn joins with the parachute-like pappus. Photographed near the trailhead for the Willard Springs Trail at the Conboy Lake NWR headquarters.........July 28, 2006.

Seed heads of orange agoseris as seen along a stream between the Pacific Crest Trail and terminal moraine of the Adams Glacier, Mt. Adams Wilderness...........August 20, 2013.