E-Flora BC: Electronic Atlas of the Flora of British Columbia

Packera cymbalaria (Pursh) W.A. Weber & Á. Löve
northern butterweed
Asteraceae (Aster family)

Introduction to Vascular Plants

© Alfred Cook  Email the photographer   (Photo ID #8372)

E-Flora BC Static Map
Distribution of Packera cymbalaria
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Species Information

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Perennial herb from a fibrous-rooted short rhizome; stems erect or ascending, solitary, simple or rarely branched above, 5-25 cm tall, glabrous, purplish.
Basal leaves nearly circular, rounded or kidney-shaped, long-stalked, 2-7 cm long including the stalk, 0.3-1.5 cm wide, nearly entire to coarsely toothed or sometimes lobed, glabrous, purplish; stem leaves few and reduced, spoon-shaped to lanceolate, purplish, uppermost reduced to entire, purplish-tipped bracts.
Heads with ray and disk flowers, usually solitary, rarely 2; involucres 8-14 mm tall; involucral bracts linear-lanceolate with long-pointed tips, purplish, glabrous; bracteoles few, purplish-tipped; ray flowers yellow or yellow-orange, 6-12 mm tall; disk flowers orange.
Achenes oblong, ribbed, glabrous; pappus of white hairlike bristles.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist meadows and bogs in the lowland to alpine zones; rare on the Queen Charlotte Islands, known only from Port Chanal; amphiberingian, N to AK, YT and NT; NE Asia.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Packera cymbalaria

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 870 1941 2417
Slope Gradient (%) 0 13 32
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
10 312 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 3 6
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: AT(6), SBPS(2)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Packera fernaldii (Greenm.) A. Löve & D. Löve
Packera resedifolia (Less.) A. Löve & D. Löve
Senecio cymbalaria Pursh
Senecio resedifolius Less.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References