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

Microseris borealis (Bong.) Sch. Bip.
Asteraceae (Aster family)

Introduction to Vascular Plants

© Ryan Batten  Email the photographer   (Photo ID #23889)

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Distribution of Microseris borealis
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Species Information

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Perennial herb from a taproot; stem erect to ascending, simple, solitary, expanded at the base, leafless or with 1 or 2 small bracts, exuding milky juice when broken, 10-60 cm tall.
Basal leaves linear-oblanceolate, entire to few-toothed, often pointed at the tip, glabrous, 5-30 cm long, 2-12 mm wide; stem leaves lacking.
Heads with strap-shaped flowers, solitary at end of stems; involucres 10-18 mm tall; involucral bracts lanceolate, the inner ones tapering to a slender tip, the outer shorter and overlapping, glabrous or sometimes lightly black-woolly; ray flowers yellow.
Achenes smooth, ribbed, brown, 4-8 mm long; pappus of 30-60 brownish, finely-barbed bristles only slightly thickened at the bases.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet to moist meadows and sphagnum bogs in the lowland to alpine zones; common in coastal BC; N to AK and S to N CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Microseris borealis

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) 0 247 990
Slope Gradient (%) 0 17 90
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
0 7 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 5 8
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(1), CMA(4), CWH(82), MH(24)


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 subalpine boreal & cool mesothermal.

Synonyms and Alternate Names

Apargidium boreale (Bong.) Torr. & A. Gray

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References