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

Euphrasia subarctica Raup
arctic eyebright
Orobanchaceae (Broom-rape family)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants

© Jamie Fenneman  Email the photographer   (Photo ID #26124)

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Distribution of Euphrasia subarctica
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Species Information

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Annual herb from a taproot; stems slender, erect, 3-30 cm tall, simple or branched from below the middle, minutely hairy and sometimes glandular-hairy above.
Opposite, unstalked, few, egg-shaped to circular, 2-18 mm long, palmately veined, prominently 7- to 11-toothed, sparsely hairy; bracts resembling the leaves but with more pointed teeth.
Inflorescence a terminal spike of single small flowers in the axils of leafy bracts; corollas whitish with purple markings and a yellow eye, about 5 mm long, 2-lipped, the upper lip slightly concave with 2 lobes, the lower lip spreading, with 3 shallowly notched, oblong lobes; calyces bell-shaped, hairy or glandular-hairy, almost as long as the corolla, 4-toothed, the teeth triangular or lanceolate; stamens 4.
Capsules, oblong, flattened, 3-6 mm long, more or less hairy; seeds numerous, narrowly winged.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Moist to wet streambanks, shores, bogs, gravelly openings in thickets, and heath in the montane and subalpine zones; infrequent in BC in and east of the Coast-Cascade Mountains and north of 52degreeN; N to AK, YT and NT, E to NF and S to MT; Greenland.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Euphrasia subarctica

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) 550 635 840
Slope Gradient (%) 3 9 12
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
130 179 200
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 3 4
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: ICH(1), MH(10)


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

Euphrasia arctica
Euphrasia arctica var. disjuncta sensu (Fernald & Wiegand) Cronquist
Euphrasia arctica var. dolosa (Boivin) Boivin
Euphrasia disjuncta Fernald & Wiegand
Euphrasia disjuncta var. dolosa Boivin
Euphrasia pennellii Callen p.p.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References