UW Burke Herbarium species comparison

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Erigeron chrysopsidis

Erigeron glacialis

dwarf yellow fleabane

glacier fleabane
Habit Fibrous-rooted perennial from a short rhizome, up to 7 dm. tall, amply leafy.
Leaves

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

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

Achene usually 5-nerved.

Erigeron chrysopsidis

Erigeron glacialis
Flowering time May-July July-September
Habitat Shrub-steppe to open slopes of forests at middle elevations. Moist, open areas at mid- to high elevations in the mountains.
Distribution
Occurring east of the Cascades crest in Washington; Washington to California, east to Idaho and Nevada.
[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 Not of concern Not of concern
Sibling taxa
E. acris, E. aliceae, E. annuus, E. aureus, E. basalticus, E. bloomeri, E. caespitosus, E. compositus, E. corymbosus, E. davisii, E. disparipilus, E. divergens, E. eatonii, E. elatus, E. filifolius, E. flettii, 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. chrysopsidis var. chrysopsidis
E. glacialis var. glacialis
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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