[Goat-chicories and Mountain-dandelions: The Genus Agoseris in Mt. Adams Country]

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

Orange Agoseris: Agoseris aurantiaca (Synonyms: Agoseris aurantiaca ssp. aurantiaca, Agoseris graminifolia, Agoseris rostrata, Troximon aurantiacum) - Orange Agoseris: Agoseris aurantiaca (Synonyms: Agoseris aurantiaca ssp. aurantiaca, Agoseris graminifolia, Agoseris rostrata, Troximon aurantiacum)

Orange agoseris in bloom on the terminal moraine for the Adams Glacier, Mt. Adams, Mt. Adams Wilderness.......July 19, 2018.

Flower head of Orange Agoseris: Agoseris aurantiaca

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.

Involucral bracts of Orange Agoseris: Agoseris aurantiaca

The photo above 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.

Basal leaf of Orange Agoseris: Agoseris aurantiaca

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.

Orange Agoseris: Agoseris aurantiaca

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.

Orange Agoseris: Agoseris aurantiaca (Synonyms: Agoseris aurantiaca ssp. aurantiaca, Agoseris graminifolia, Agoseris rostrata, Troximon aurantiacum)

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.

Orange Agoseris: Agoseris aurantiaca (Synonyms: Agoseris aurantiaca ssp. aurantiaca, Agoseris graminifolia, Agoseris rostrata, Troximon aurantiacum)

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.

Orange Agoseris: Agoseris aurantiaca (Synonyms: Agoseris aurantiaca ssp. aurantiaca, Agoseris graminifolia, Agoseris rostrata, Troximon aurantiacum)

The photo above shows orange agoseris as seen at Bird Creek Meadows at the southeast corner of Mt. Adams........August 1975.

Paul Slichter