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

Euphrasia nemorosa Wallr.
common eyebright (eastern eyebright)
(Previously in Scrophulariaceae)

Introduction to Vascular Plants

© Brian Klinkenberg  Email the photographer   (Photo ID #21660)

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Distribution of Euphrasia nemorosa
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Species Information

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Annual herb from a taproot; stems slender, erect, 10-40 cm tall, simple or freely branched, minutely hairy.
Opposite, unstalked, few, egg-shaped to nearly circular, 5-15 mm long, palmately veined, prominently 7- to 11-toothed, smooth or sparsely hairy beneath; bracts resembling the leaves but with awl-shaped or bristle-tipped teeth.
Inflorescence a terminal spike of single flowers in the axils of leafy bracts; corollas typically pale lavender with purple lines, and a yellow spot on the lower lip, 5-10 mm long, 2-lipped, the upper lip slightly concave with 2 lobes, the lower lip spreading, with 3 notched, oblong lobes; calyces bell-shaped, smooth or nearly so, shorter than the corolla, 4-toothed, the teeth lanceolate, 2-3.5 mm long; stamens 4.
Capsules, oblong, flattened, smooth or nearly so; seeds numerous, 1-2 mm long, narrowly winged.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry fields, clearings, roadsides and waste places; locally frequent in S BC; introduced from Europe.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Euphrasia nemorosa

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) 672 718 765
Slope Gradient (%) 0 3 6
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
244 243 244
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 5 5
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: SBS(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

Euphrasia americana auct. p.p.
Euphrasia arctica subsp. borealis (Townsend) Yeo
Euphrasia borealis (Townsend) Wettst.
Euphrasia canadensis auct. non Townsend
Euphrasia curta (Fr.) Wettst.
Euphrasia officinalis auct. non L.
Euphrasia pectinata auct. non Ten.
Euphrasia tatarica auct. non Fisch. ex Spreng.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References