Plants : ScrophulariaceaeFerns and Flowering Plants

Euphrasia officinalis agg. L.sensu lato

Eyebright

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Euphrasia officinalis agg.

Description: This is not one species but actually a complex of many separate but somewhat similar species which are semi-parasitic on grasses and other plants. They occur in a variety of grassy or heathery places from sea level up to quite high altitudes. The map shows the distribution of the eyebright group as a whole, but we have produced separate pages for a few of the more distinctive species, each with its own account and distribution map.

All names: Euphrasia officinalis agg. L.sensu lato

Distribution Map from NBN: Euphrasia officinalis agg. at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Euphrasia officinalis agg. at iNaturalist World Species Observations database.

 Hackney, P., 2026. Euphrasia officinalis agg.. L.sensu lato. [In] Flora of Northern Ireland.
https://habitas.org/flora/species.php?item=4140. Accessed on 2026-11-02.