Orobanchaceae
Eyebright
Euphrasia frigida
- Family
- Orobanchaceae
- Genus
- Euphrasia
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Common names
By language (9)
- Arabic
- عرقون برودي
- arz
- عرقون برودى
- Czech
- Světlík chladnomilný
- English
- Eyebright
- Finnish
- Pohjansilmäruoho
- German
- Nordischer Augentrost, Skandinavischer Augentrost
- hsb
- Zažny swětlik
- Icelandic
- Augnfró
- Welsh
- Effros y mynydd
Synonyms
- Euphrasia altaica subsp. glabra Kuvaev
- Euphrasia frigida unranked purpurea Montell
- Euphrasia frigida var. laxa Pugsley
- Euphrasia frigida var. obtusata Callen ex Böcher, Holmen & Jakobsen
- Euphrasia frigida var. pusilla Pugsley
- Euphrasia frigida var. submollis Callen ex Böcher, Holmen & Jakobsen
- Euphrasia latifolia Pursh
- Euphrasia latifolia f. lapponum Brenner
- Euphrasia latifolia var. rigida Brenner
- Euphrasia minima subsp. frigida (Pugsley) Hartl
- Euphrasia officinalis var. latifolia Britton
- Euphrasia putoranica Vodop.
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Canada: native, Greenland: native
Photos
Photo: Ragnhild&Neil Crawford from Sweden, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Ida B D Jacobsen, CC BY 4.0, from Wikimedia Commons 
Photo: Mica L., CC BY 4.0, from Wikimedia Commons
More in Euphrasia
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- Euphrasia hirtellaOrobanchaceae
- Common eyebrightEuphrasia nemorosaOrobanchaceae
- EyebrightEuphrasia officinalisOrobanchaceae
- Euphrasia argutaOrobanchaceae
- Euphrasia pectinataOrobanchaceae
- Euphrasia grandifloraOrobanchaceae
- Euphrasia pictaOrobanchaceae
- Maritime eyebrightEuphrasia tetraquetraOrobanchaceae
- Euphrasia azoricaOrobanchaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.