UW Burke Herbarium species comparison

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Erigeron flettii

Erigeron glacialis
Erigeron flettii

Flett's fleabane, Olympic Mt. fleabane

glacier fleabane
Habit Perennial from a stout, branched, woody base, 5-15 cm. high, the stem with sparse, spreading hairs. Fibrous-rooted perennial from a short rhizome, up to 7 dm. tall, amply leafy.
Leaves

Leaves mostly basal, spatulate to oblanceolate, up to 5 cm. long and 12 mm. wide, mostly glabrous, with a few hairs on the leaf margins.

Basal leaves oblanceolate or broader, the cauline not much reduced, ovate; all leaves usually entire.
Flowers

Heads solitary, the disk 10-15 mm. wide;

involucre 6-8 mm. high, with a few soft hairs, and sometimes sticky;

rays 25-50, white, 7-10 mm. long and 1.5-2.5 mm. wide; disk corollas yellow, 3.5-4.5 mm. long;

pappus of 15-20 capillary bristles and numerous short, outer bristles.

Heads solitary or few, the disk 10-25 mm. wide;

involucre 7-11 mm. high, the bracts linear, pointed, about equal in length, loose and rather herbaceous, about 1 mm. wide;

rays 30-80, 8-25 mm. long and 2-4 mm. wide, dark to pale purple;

disk flowers 4-6 mm. long;

pappus of 20-30 capillary bristles.
Fruit(s)

Achene

Achene usually 5-nerved.

Erigeron flettii

Erigeron glacialis
Flowering time June-August July-September
Habitat Cliffs and other rocky places in the subalpine and alpine. Moist, open areas at mid- to high elevations in the mountains.
Distribution
Occurring in the Olympic Mountains in Washington, where endemic.
[WildflowerSearch map]
[BONAP county map]
Widely distributed in the mountains throughout Washington; Alaska to California, east to the Rocky Mountains.
[WildflowerSearch map]
[BONAP county map]
Origin Native Native
Conservation status Review Group 1 in Washington (WANHP) Not of concern
Sibling taxa
E. acris, E. aliceae, E. annuus, E. aureus, E. basalticus, E. bloomeri, E. caespitosus, E. chrysopsidis, E. compositus, E. corymbosus, E. davisii, E. disparipilus, E. divergens, E. eatonii, E. elatus, E. filifolius, E. glacialis, E. howellii, E. inornatus, E. karvinskianus, E. leibergii, E. linearis, E. lonchophyllus, E. nivalis, E. oreganus, E. peregrinus, E. philadelphicus, E. piperianus, E. poliospermus, E. pumilus, E. salishii, E. speciosus, E. strigosus, E. subtrinervis
E. acris, E. aliceae, E. annuus, E. aureus, E. basalticus, E. bloomeri, E. caespitosus, E. chrysopsidis, E. compositus, E. corymbosus, E. davisii, E. disparipilus, E. divergens, E. eatonii, E. elatus, E. filifolius, E. flettii, E. howellii, E. inornatus, E. karvinskianus, E. leibergii, E. linearis, E. lonchophyllus, E. nivalis, E. oreganus, E. peregrinus, E. philadelphicus, E. piperianus, E. poliospermus, E. pumilus, E. salishii, E. speciosus, E. strigosus, E. subtrinervis
Subordinate taxa
E. glacialis var. glacialis
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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