Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to Oregon, east to Alberta and Montana; also in eastern North America.
Habitat: Fields, roadsides, and other distrubed, open areas.
Flowers: June-October
Origin: Introduced from Europe
Growth Duration: Annual
Conservation Status: Not of concern
Semi-parasitic, hairy annual, the stem 5-20 cm. tall, often well-branched.
Leaves all cauline, mostly opposite, often alternate above, ovate to broadly elliptic, deeply toothed.
Inflorescence a leafy-bracteate, terminal spike, the bracts broad and toothed; flowers white, often violet-tinged or with purple veins or a yellow spot; calyx deeply 4-cleft; corolla bi-labiate, the upper lip shallowly 2-lobed, the lower lip deeply 3-lobed, the lobes slightly notched; stamens 4; stigma entire.
Capsule.
Publication: Ann. Bot. (London) 82. 1815.
Euphrasia arctica Lange ex Rostr. ssp. borealis (F. Towns.) Yeo
Euphrasia canadensis F. Towns., misapplied
Euphrasia officinalis L., misapplied [HC]
Euphrasia pectinata Ten., misapplied
Euphrasia tatarica Fisch. ex Spreng., misapplied
PNW Herbaria: Specimen records of Euphrasia nemorosa in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Euphrasia nemorosa checklist entry
OregonFlora: Euphrasia nemorosa information
E-Flora BC: Euphrasia nemorosa atlas page
CalPhotos: Euphrasia nemorosa photos
