UW Burke Herbarium species comparison

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Erigeron caespitosus

Erigeron peregrinus

tufted fleabane

wandering fleabane
Habit Herbaceous perennial from a stout taproot, the stems curved at the base, 5-30 cm. tall; herbage densely pubescent with short, spreading hairs.
Leaves

Basal leaves oblanceolate to spatulate, rounded or obtuse, triple-nerved;

cauline leaves linear to ovate-oblong.

Flowers

Heads solitary to several;

involucre 4-7 mm. high, imbricate, glandular and short grey-hairy, the bracts narrow and thickened on the back;

rays pistillate, 30-100, blue, white or pink, 5-15 mm. long;

disk flowers yellow;

pappus double, the outer short, the inner of 15-25 bristles.

Fruits

Achene

Erigeron caespitosus

Erigeron peregrinus
Flowering time June-August June-August
Habitat Dry, open, and often rocky places in sagebrush Low elevation bogs and wetlands, and subalpine and alpine meadows.
Distribution
Occurring east of the Cascades crest in Washington; Alaska to Washington, Idaho, Utah, and Arizona, east to the northern Great Plains.
[WildflowerSearch map]
[BONAP county map]
Occurring west of the Cascades crest on the Olympic Peninsula and in the North Cascades; Alaska to Washington, east to Alberta.
[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. chrysopsidis, 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. glacialis, E. howellii, E. inornatus, E. karvinskianus, E. leibergii, E. linearis, E. lonchophyllus, E. nivalis, E. oreganus, E. philadelphicus, E. piperianus, E. poliospermus, E. pumilus, E. salishii, E. speciosus, E. strigosus, E. subtrinervis
Subordinate taxa
E. peregrinus var. thompsonii
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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