[Daisies and Fleabanes: The Genus Erigeron in Mt. Adams Country]

Foreign Erigeron, Mountain Daisy, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane

Erigeron glacialis var. glacialis

Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus

Foreign Erigeron, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus) - Flower head of Foreign Erigeron, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus) - Foreign Erigeron, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus)

Involucral bracts of Foreign Erigeron, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus) - Foreign Erigeron, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus)

The 4 photos above show various views of subalpine daisy as seen along the South Climb Trail on the southern side of Mt. Adams, about one-quarter mile below the toe of the Crescent Glacier...........August 23, 2008.

Foreign Erigeron, Mountain Daisy, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus) - Foreign Erigeron, Mountain Daisy, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus)

Subalpine daisy observed along the Shorthorn Trail #12 about one-quarter of a mile uphill from the trailhead, Mount Adams Wilderness.....July 7, 2021.

Flower head of Foreign Erigeron, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus) - Foreign Erigeron, Mountain Daisy, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus)

The flower heads of subalpine daisy are generally single atop their stems, and usually measure 2.5-4 cm across. The ray flowers are generally over 1 mm wide which is wide for this genus. The image at left was photographed along the upper section of the Stagman Ridge Trail at the southwestern corner of Mt. Adams..........July 27, 2006. The photo at right was taken at about 6800' along the Climber's Trail on the south rim of Hellroaring Canyon, Yakama Nation lands at Bird Creek Meadows, Mount Adams......September 14, 2022.

Involucral bracts of Foreign Erigeron, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus) - Stem leaf of Foreign Erigeron, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus)

The photo at left shows a close-up of the narrow involucral bracts of subalpine daisy as seen along Shorthorn Creek at about 5600' along the Shorthorn Trail #16 on the southern slopes of Mt. Adams...........July 30, 2005. Unlike other fleabanes found on Mt. Adams, it has broad ray flowers that are over 1 mm wide. The photo at right shows the broad stem leaf of subalpine daisy as seen along Shorthorn Creek at about 5600' along the Shorthorn Trail #16 on the southern slopes of Mt. Adams.........July 30, 2005.

Foreign Erigeron, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus) - Foreign Erigeron, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus)

The photo at left shows a nice cluster of subalpine daisy in moist riparian soils along the Round the Mountain Trail #9 in Bird Creek Meadows at the southeastern corner of Mt. Adams........July 19, 2007. The photo at right shows subalpine daisy still in bloom high up Crooked Creek, Bird Creek Meadows.........September 2, 2017.

Foreign Erigeron, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus) - Arctic Fritillary (Boloria chariclea) nectaring on Foreign Erigeron, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus)

Subalpine daisies blooming along a small creek running through High Camp, north side of Mt. Adams.........August 12, 2016. The phot at right shows an arctic fritillary (Boloria chariclea) nectaring on a flower head of subalpine daisy at the same location and time.

Foreign Erigeron, Mountain Daisy, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus) - Foreign Erigeron, Mountain Daisy, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus)

Subalpine daisies in bloom in moist meadows above Killen Creek Meadows, Mt. Adams Wilderness........August 28, 2020.

Foreign Erigeron, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus) - Foreign Erigeron, Mountain Daisy, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus)

The photo at left shows a nice cluster of subalpine daisy as seen along the Round the Mt. Trail to the east of Salt Creek on the southern side of Mt. Adams.........August 4, 2001. The photo at right shows a nice cluster of subalpine daisy in the rocky drainage of the upper Lewis River below the base of the terminal moraine of the Adams Glacier, Mount Adams Wilderness.....August 22, 2022.

Habitat of Foreign Erigeron, Mountain Daisy, Peregrine Fleabane, Subalpine Daisy, Subalpine Fleabane: Erigeron glacialis var. glacialis (Synonyms: Erigeron callianthemus, Erigeron peregrinus, Erigeorn peregrinus ssp. callianthemus, Erigeron peregrinus ssp. callianthemus var. callianthemus, Erigeron peregrinus var. angustifolius, Erigeron peregrinus var. callianthemus, Erigeron peregrinus var. eucallianthemus, Erigeron peregrinus var. scaposus, Erigeron ursinus)

An image of the habitat of subalpine fleabane as seen along the Shorthorn Trail #16 in moister meadows adjacent to the West Fork of Morrison Creek, Mount Adams Wilderness.....July 22, 2024.

Paul Slichter