Euphrasia nemorosa
Ecology
An annual occurring in short grasslands, on heaths, downs and dunes, in open scrub, woodland rides and upland moorlands. It is absent from agriculturally improved land. 0-825 m (Cross Fell, Cumberland).
Status
Trends
This tetraploid species has not shown any marked change in its range since it was mapped by Perring & Sell (1968). It is the most common and ecologically diverse of our eyebrights, becoming more restricted to calcareous soils at low altitudes in the north. However, it forms hybrids with many other Euphrasia species, and introgressed populations can be locally abundant, making identification difficult.
World Distribution
European Temperate element.
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Broad Habitats
Light (Ellenberg): 7
Moisture (Ellenberg): 5
Reaction (Ellenberg): 6
Nitrogen (Ellenberg): 4
Salt Tolerance (Ellenberg): 0
January Mean Temperature (Celsius): 3.6
July Mean Temperature (Celsius): 14.8
Annual Precipitation (mm): 1037
Height (cm): 35
Perennation - primary
Life Form - primary
Woodiness
Clonality - primary
Count of 10km squares in Great Britain: 1498
Count of 10km squares in Ireland: 202
Count of 10km squares in the Channel Isles: 7
JNCC Designations
Atlas text references
Atlas Supp (58c)
.
1986. Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.