An Eyebright vs Common eyebright

Euphrasia stricta compared with Euphrasia nemorosa

Taxonomic Classification

Rank	An Eyebright	Common eyebright
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Lamiales (Lamiales)	Lamiales (Lamiales)
Family same	Orobanchaceae	Orobanchaceae
Genus same	Euphrasia	Euphrasia
Species	Euphrasia stricta	Euphrasia nemorosa

Evolutionary Relationship

An Eyebright and Common eyebright share a common ancestor at the Genus level: Euphrasia.

Conservation Status

An Eyebright

LC — Least Concern

Common eyebright

LC — Least Concern

Physical Characteristics

Attribute	An Eyebright	Common eyebright
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

An Eyebright

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (6 countries) and North America (Canada, United States).

Common eyebright

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (6 countries) and North America (Canada, United States).

An Eyebright

The An Eyebright (Euphrasia stricta) is a species in the genus Euphrasia. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Common eyebright

The Common Eyebright (<em>Euphrasia nemorosa</em>) is a small annual plant belonging to the genus Euphrasia within the family Orobanchaceae. This species is a hemiparasite, typically attaching its roots to the roots of neighbouring grasses and other plants to obtain water and nutrients, while also performing photosynthesis. It is often found in diverse terrestrial habitats ranging from tropical forests to temperate regions, including grasslands, heathlands, and woodland margins. Geographically, <em>Euphrasia nemorosa</em> is distributed across Europe, with confirmed records in countries including Belgium, Denmark, Finland, and France, as well as presence in North America in Canada and the United States. The species is assessed as Least Concern on the IUCN Red List, indicating a stable global population without immediate threat of extinction. Biological traits of this species remain poorly documented in the scientific literature, including specific data on lifespan, body size, and diet. The common name "eyebright" reflects its historical use in herbal medicine for treating eye ailments, though this application is not supported by modern clinical evidence.

Shared Countries

Both species can be found in 6 countries:

🇨🇦 Canada 🇩🇰 Denmark 🇫🇮 Finland 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States